| Model Number | Service Note Type | Service Note Number | Service Note Description | Date |
| 175A | Modification Recommended | 175A-1A | SWEEP AND GATE OUTPUT MODIFICATION KIT; HP Stock No. 175A-95A | 1963-04 |
| 175A | Modification Recommended | 175A-2A | Serials Below 326-01376 - Thermal Switch Assembly Modification Kit – hp Stock NO. 175A-95E | 1986-01 |
| 175A | Modification Recommended | 175A-5 | Serials Below 413-02326 – Modification of 175A for 1784A Recorder Plug-in | 1965-04 |
| 175A | Modification Recommended | 175A-6 | Serial Prefix Below 450- New Vertical Output Printed Circuit Board 175A-65W | 1965-04 |
| 175A | Modification Recommended | 175A-7 | All Serials – Improved Sweep Operation | 1965-04 |
| 175A | Modification Recommended | 175A-8 | Serial Prefixes Below 436- INCREASED VERTICAL DC STABILITY | 1965-07 |
| 175A | Modification Recommended | 175A-9 | All Serials – Improved Trigger Circuit Stability | 1965-10 |
| 175A | Modification Recommended | 175A-10 | Serials Prefixed Below 326- Fan Filter Replacement Kit 00175-69501 | 1965-10 |
| 175A | Modification Recommended | 175A-11 | Serials Below 530-04101 – IMPROVED HIGH FREQUENCY TRIGGERING | 1965-12 |
| 175A | Modification Recommended | 175A-12 | Serial Prefix 530- and Below - Improved Complex Waveform Triggering – Parts Kit # 00175-69502 | 1966-03 |
| 175A | Modification Recommended | 175A-14 | Serial Numbers 633-04850 and Below - Improved Triggering Stability | 1966-11 |
| 175A | Modification Recommended | 175A-15 | Serial No. 633-06036 and Below - Thermal Switch Assembly Modification Kit – hp Stock NO. 175A-95F | 1968-01 |
| 202B | Modification Recommended | 202B-1 | PROCEDURE FOR REPLACING MECHANICAL DRIVE CABLES ON MODEL 202B | 1954.07.28 |
| 211A | Modification Recommended | 211A-1A | Serial No. 1463 and Below - REPLACEMENT FAN KIT hp STOCK NO. 211A-95A | 1965-12 |
| 330B | Modification Recommended | 330B-3E | MODELS 330B, 330C, & 330D DISTORTION ANALYZERS TEST PROCEDURE | unknown |
| 346C | Modification Recommended | 346C-02 | Mod eliminates 425MHz spurious oscillations | 1994.05.26 |
| 382A | Modification Recommended | 382A-1A | MODELS G382A, C382A, J382A, H382A, X382A AND P382A - BROADBAND PRECISION WAVEGUIDE VARIABLE ATTENUATOR – CALIBRATION AND ALIGNMENT PROCEDLTRES | unknown |
| 400D | Modification Recommended | 400D-2C | MODELS 400D, 400H, AND 400L VACUUM TUBE VOLTMETERS - TEST, ADJUSTMENT, AND CERTIFICATION METHODS | 1965-06 |
| 400D | Modification Recommended | 400D-4B | MODEL 400D/H VACUUM TUBE VOLTMETERS - 400D serial 17970 and below, 400H serial 2237 and below - REDUCTION OF RESIDUAL NOISE MODIFICATION KIT - HP STOCK NO. 400D-95B | 1968-06 |
| 410C | Safety | 410C-14A-S | ELIMINATION OF A POTENTIAL SAFETY HAZARD | 1976-01 |
| 412A | Modification Recommended | 412A-2A | REPLACEMENT OF RANGE SWITCH ASSEMBLY – STOCK NO. 412A-19W | unknown |
| 412A | Modification Recommended | 412A-4 | SERIAL 004-03632 AND BELOW – BIAS CIRCUIT IMPROVEMENTS | unknown |
| 412A | Modification Recommended | 412A-5 | SERIALS 134-07482 AND BELOW - INPUT CABLE MODIFICATION KIT – HP STOCK NO. 412A-95B | 1963-06 |
| 412A | Modification Recommended | 412A-6 | RANGE SWITCH MAINTENANCE | 1964-08 |
| 412A | Modification Recommended | 412A-7 | REPLACEABLE PARTS FOR VOLTAGE PROBE ASSEMBLY | 1964-12 |
| 412A | Modification Recommended | 412A-8 | Serials 134-07482 and Below - INPUT CABLE MODIFICATION KIT, HP PART NO. 00412-69501 | 1965-01 |
| 412A/AR | Various | 00412-90001 | 412A/AR DC Vacuum Tube Voltmeter Service Notes Collection | 1969-08 |
| 412AR | Modification Recommended | 412AR-2 | SERIAL 134-05282 AND BELOW – IMPROVED GROUND CONNECTION | unknown |
| 416A | Modification Recommended | 416A-2A | SERIALS PREFIXED 002- & BELOW - REPLACEMENT OF CONTROL TUBE V2 FOR INCREASED STABILITY | unknown |
| 432A | Information Only | 432A-1 | An Alternate Method to Calibrate the 432A | 1968-11 |
| 438A | Modification Recommended | 438A-13 | Modification to Eliminate Measurement Instability | 1996-01 |
| 438A | Modification Recommended | 438A-14A | Modification to Eliminate Loose Reference Oscillator N-type connectors | 1997-07 |
| 523DR | Modification Recommended | 523DR-2 | SERIAL NO. 010-00425 AND BELOW – CONNECTIONS FOR STANDBY OPERATION OF CRYSTAL OVEN | unknown |
| 523DR | Modification Recommended | 523DR-3A | SERIALS BELOW 826 – TRIGGER UNIT MODIFICATION | unknown |
| 608A | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 608B | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 608C | Modification Recommended | 608C-2 | Modification for Regulated DC Filament Operation | 1957-01 |
| 608C | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 608D | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 608E | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 608F | Modification Recommended | P-608A-34 | Replacement Attenuator Assembly | 1969-02 |
| 1146B | Modification Recommended | 1146B-01 | All units expected to fail BW measurement accuracy at DC- 100 KHz -3dB spec. Those units having + gain @ at 0.22 dB or @ 15% higher than upper spec (0 dB). | 2015.04.30 |
| 1156A | Modification Recommended | 1156A-01 | This product 1156A was scheduled to go End of Support in Sept 2016, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. | 2016.06.09 |
| 1157A | Modification Recommended | 1157A-01 | This product 1157A was scheduled to go End of Support in Sept 2019, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. | 2016.06.09 |
| 1158A | Modification Recommended | 1158A-02 | This product 1158A was scheduled to go End of Support in Sept 2019, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. | 2016.06.09 |
| 1310B | Modification Recommended | 1310B-1 | ARCING/BREAKDOWN OF PA CONNECTOR | 1981-11 |
| 1332A | Modification Recommended | 1332A-1 | Possible Lack of Sufficient Range of Intensity Limit Adjustment if CRT is Replaced | 1975-03 |
| 1332A | Modification Recommended | 1332A-2 | Preferred parts replacement for resistors A1R86 and A1R87 used with Model 1332A Option 216 | 1975-06 |
| 1332A | Modification Recommended | 1332A-5 | IMPROVED RELIABILITY FOR TilE Z-AXIS AMPLIFIER | 1977-04 |
| 1333A | Modification Recommended | 1333A-1 | IMPROVED RELIABILITY FOR THE Z-AXIS AMPLIFIER | 1977-04 |
| 1335A | Modification Recommended | 1335A-2 | Improved Storage Circuitry Reliability | 1977-04 |
| 1335A | Modification Recommended | 1335A-3 | Improved Reliability For The Z-Axis Amplifier | 1977-04 |
| 1660A | Priority Safety | 1660A-02-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1660AS | Priority Safety | 1660AS-02-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1660C | Safety | 1660C-01-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1660CS | Safety | 1660CS-01-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1660CS | Modification Available | 1660CS-03A | Error in the Threshold Accuracy Test | 2002.05.29 |
| 1661A | Priority Safety | 1661A-02-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1661AS | Safety | 1661AS-02-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1661C | Safety | 1661C-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1661CS | Safety | 1661CS-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1662A | Modification Recommended | 1662A-1 | Correct Software Error/Flash ROM Failure | 1994-10 |
| 1662A | Safety | 1662A-02-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1662AS | Safety | 1662AS-02-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1662C | Safety | 1662C-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1662CS | Safety | 1662CS-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1663A | Priority Safety | 1663A-02-S | Potentially defective line filter may cause shock hazard | 1996.03.14 |
| 1663AS | Safety | 1663AS-02-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1663C | Priority Safety | 1663C-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1663CS | Safety | 1663CS-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1664A | Safety | 1664A-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1670A | Safety | 1670A-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1671A | Safety | 1671A-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1672A | Safety | 1672A-01-S | Potentially defective line filter may cause shock hazard | 1996.01.31 |
| 1680AD | Modification Available | 1680AD-01 | Japanese Help System now available. | 2002.02.26 |
| 1690A | Modification Available | 1690A-01 | Japanese Help System now available. | 2002.02.26 |
| 1690AD | Modification Available | 1690AD-01 | Japanese Help System now available. | 2002.02.26 |
| 1710A | Modification Recommended | 1710A-1 | Vertical Amplifier Protection Modification | 1973-11 |
| 1710A | Modification Recommended | 1710A-2 | CRT Burn Protection Modification | 1974-01 |
| 1710A | Modification Recommended | 1710A-3 | Modification to change Synchronized Chop Mode to a Free-running Chop Mode | 1974-03 |
| 1710A | Modification Recommended | 1710A-4 | Probe Power Modification | 1974-04 |
| 1730B | Modification Recommended | 1730B-01 | System may hang or crash reporting an error with port 3. | 2003.08.21 |
| 1750B | Modification Recommended | 1750B-1 | Serials Below 435-00176 – Increased Frequency Response | 1965-04 |
| 1750B | Modification Recommended | 1750B-2 | Serials Below 543-00616 - Improved B Trigger Out; Parts Kit 01750-69501 | 1965-11 |
| 1750B | Modification Recommended | 1750B-3 | Serials Beginning with 516-00426 – Selected Transistor Replacement for Optimum Pulse Response | 1965-10 |
| 1750B | Modification Recommended | 1750B-4 | Serial Prefixes Below 516- Improved DC Balance; Parts Kit #01750-69502 | 1965-11 |
| 1781B | Modification Recommended | 1781B-1 | Serials below 415-01026 - INCREASED MIXED SWEEP STABILITY | 1964-07 |
| 1980A/B | Modification Recommended | 1980A-2 | All Serial Prefixes – PROPER LINE FUSING | 1980-10 |
| 1980A/B | Modification Recommended | 1980B-5 | Serials Prefixed 2131A-and Below - HP-IB TALK/LISTEN AND ROM REPLACEMENT | 1981-08 |
| 1980A/B | Modification Recommended | 1980B-5A | Serials Prefixed 2131A-and Below - HP-IB TALK/LISTEN AND ROM REPLACEMENT | 1981-11 |
| 1980A/B | Modification Recommended | 1980B-6 | Serials Prefixed 2131A-and Below – REPLACEMENT OPERATING ROMs | 1981-08 |
| 1980A/B | Modification Recommended | 1980B-7 | Serials Prefixed 2131A-and Below OPERATING/PROGRAMMING COMPATIBILITY (between different vintage Instruments) | 1981-08 |
| 3235E | Modification Recommended | 3235E-16A | Recommended AC switch replacement eliminates intermittent failures | 1992.08.31 |
| 3235E | Modification Recommended | 3235E-15 | Procedure replaces weak links on mass quick interconnect mechanism | 1992.02.29 |
| 3456A | Modification Available | 3456A-13A | MODIFICATION FOR DIGITAL CIRCUITRY ENHANCEMENT | 1988-03 |
| 3456A | Modification Available | 3456A-14A | ENHANCING ANALOG CIRCUITRY | 1988-03 |
| 3456A | Modification Available | 3456A-15B | ENHANCEMENT OF MAIN CONTROLLER BOARD (A4) | 1988-06 |
| 3456A | Safety | 3456A-24A-S | Exposed high voltage potentials when servicing 3456A | 1991.11.21 |
| 3458A | Modification Recommended | 3458A-01C | A/D linearity improvement. | 2002.04.08 |
| 3458A | Information Only | 3458A-04A | Apparent failure at turn-on or when given a “RESET” command | 2002.04.09 |
| 3458A | Modification Recommended | 3458A-06A | Modification to fix Hardware error ""ac offset dac 10mV invalid cal value: 184"". | 2002.04.08 |
| 3458A | Modification Recommended | 3458A-07B | Modification to fix intermittent error ""Multislope Rundown Conversion"". | 2002.04.09 |
| 3458A | Information Only | 3458A-08A | Incorrectly Labeled Line Voltage Switches May Cause Switch Setting Confusion | 2002.04.10 |
| 3458A | Information Only | 3458A-10A | 3458A Documentation Available As “On-Line” Files | 2002.04.10 |
| 3458A | Modification Available | 3458A-11A | Reduction of ac noise when measuring ACV and using twisted shielded pair cables. | 2002.04.09 |
| 3458A | Modification Available | 3458A-12B | Outguard Firmware Upgrade: Enhancements, Fixes, & Changes (Rev. 8) | 2002.04.11 |
| 3458A | Modification Available | 3458A-12C | Outguard Firmware Upgrade: Enhancements, Fixes, & Changes (Rev. 9) | 2010.12.12 |
| 3458A | Modification Recommended | 3458A-13A | GPIB communication failures using the 3458A. | 2002.04.10 |
| 3458A | Information Only | 3458A-14B | Calibration Error After Power “On” or After an “ACAL” | 2002.05.20 |
| 3458A | Information Only | 3458A-15C | CAL RAM Battery Preventative Maintenance for the Outguard Controller (A5) Assembly | 2006.10.20 |
| 3458A | Information Only | 3458A-15D | CAL RAM Battery Preventative Maintenance for the Outguard Controller (A5) Assembly | 2010.03.12 |
| 3458A | Information Only | 3458A-16 | The original 3458A fan filter (3150-0300) is no longer available. The replacement fan filter uses three unique parts. | 2002.11.07 |
| 3458A | Information Only | 3458A-17 | Errors May Occur if ACAL AC is Initiated From the 4-Wire Ohms Function | 2004.11.17 |
| 3458A | Modification Recommended | 3458A-18A | Time Drift issues | 2007.02.12 |
| 3458A | Information Only | 3458A-19A | The original 3458A A5 (PC Assy-Outgard Controller) is no longer available. The replacement kit consists of two unique parts and an installation note. | 2007.04.10 |
| 3458A | Modification Recommended | 3458A-20 | Bad SRAM causing Cal Ram batteries to fail prematurely | 2008.12.03 |
| 3499A | Modification Recommended | 3499A-01 | DC power wire replacement to lessen noise level | 2000.11.07 |
| 3499A | Modification Recommended | 3499A-02 | Heavy inductive load may cause display to go dark or freeze up | 2000.11.07 |
| 3499A | Modification Recommended | 3499A-03B | No display or blinking after turn on. Battery leakage | 2001.05.29 |
| 3499A | Modification Recommended | 3499A-05B | Blinking or a dark display due to a defect in the battery back-up circuit | 2002.09.04 |
| 3499B | Modification Recommended | 3499B-01 | DC power wire replacement to lessen noise level | 2000.11.07 |
| 3499B | Modification Recommended | 3499B-02 | Heavy inductive load may cause display to go dark or freeze up | 2000.11.07 |
| 3499B | Modification Recommended | 3499B-03B | No display or blinking after turn on. Battery leakage | 2001.05.29 |
| 3499B | Modification Recommended | 3499B-05B | Blinking or a dark display due to a defect in the battery back-up circuit | 2002.09.04 |
| 3582A | Modification Available | 3582A-16 | Modification to A13 Rev. D board for use in older 3582As | 1991.12.12 |
| 3582A | Modification Available | 3582A-17 | Modification to A13 Rev. D board for use in older 3582As | 1992.04.09 |
| 3582A | Modification Available | 3582A-18 | Modification to prevent A1K6 input relay from welding shut | 1993.02.20 |
| 3785A | Modification Available | 3785A-25 | Mod ensures conformance to performance test | 1993.05.31 |
| 3787B | Modification Available | 3787B-12 | Instructions on retrofitting Opt 003 (voice channel output) | 1992.04.30 |
| 3789B | Modification Available | 3789B-02A | Retrofitting options 002 (2nd measu) and 003 (2nd measu & DS3 jitter measu) | 1992.04.30 |
| 3789B | Modification Available | 3789B-04B | Modification eliminates noise from HP 3789B input port | 1994.08.04 |
| 4062C | Modification Recommended | 4062C-05 | Recommended replacement of incorrect AC line breaker | 1992.03.31 |
| 4062C | Modification Recommended | 4062C-09A | Solution for open relay coil failure | 1999.02.17 |
| 4062F | Modification Recommended | 4062F-02 | Design change of cabinet front door | 1997.02.10 |
| 4062F | Modification Recommended | 4062F-03 | Modification to improve heat dissipation | 1997.02.10 |
| 4062F | Modification Recommended | 4062F-07A | Solution for open relay coil failure | 1999.02.17 |
| 4062UX | Modification Recommended | 4062UX-05 | Recommended replacement of incorrect AC line breaker | 1992.03.31 |
| 4062UX | Modification Recommended | 4062UX-10A | Solution for open relay coil failure | 1999.02.17 |
| 4142B | Modification Recommended | 4142B-10 | Recommended replacement of F5 & F6 fuses on the A1 power supply | 1992.03.31 |
| 4142B | Modification Recommended | 4142B-12 | HCU's current compliance may occur unexpectedly | 1995.01.11 |
| 4142B | Modification Recommended | 4142B-13 | ROM replacement to correct PT command default pulse width | 1996.06.13 |
| 4145B | Modification Recommended | 4145B-02A | SMU brd mod prnts spike when measurng amps with a rnge chnge | 1994.06.23 |
| 4145B | Modification Recommended | 4145B-06 | New fan eliminates excess noise | 1992.03.31 |
| 4155A | Modification Recommended | 4155A-01 | Updating the preliminary ROMs with formal-released ROMs | 1994.03.10 |
| 4155A | Modification Recommended | 4155A-02 | New power supply prevents shut-down failures | 1994.10.10 |
| 4155A | Modification Recommended | 4155A-03 | Motherboard replment for SMU selftest/selfcalib error 10x24 | 1994.11.03 |
| 4155A | Modification Recommended | 4155A-04 | New front panel prevents rotary knob from rubbing front panel | 1994.11.03 |
| 4155A | Modification Recommended | 4155A-05 | New front panel prevents push button keys from sticking | 1994.11.03 |
| 4155A | Modification Recommended | 4155A-06 | Replacing CPU board ROMs fixes firmware defects | 1995.02.16 |
| 4155A | Modification Recommended | 4155A-07 | Replacing CPU board ROMs fix firmware defects | 1996.06.13 |
| 4155A | Modification Recommended | 4155A-09A | Power Supl Replcmnt to Prevent Shutdown/Reboot Problem | 2000.01.17 |
| 4155A | Modification Recommended | 4155A-10A | Replacing CPU board ROMs to fix firmware defects | 1998.10.07 |
| 4155A | Modification Recommended | 4155A-11 | SMU controller firmware update to fix SMU glitch problem | 1998.10.07 |
| 4155A | Modification Recommended | 4155A-12 | SMU controller firmware update to use 41501B expander | 1998.10.07 |
| 4155A | Modification Recommended | 4155A-13 | Firmware update to fix SMU glitch problem | 1998.11.23 |
| 4155B | Modification Recommended | 4155B-01 | SMU controller firmware update to fix SMU glitch problem | 1998.10.07 |
| 4155B | Modification Recommended | 4155B-02 | CPU board replacement to prevent startup failures | 1998.10.07 |
| 4155B | Modification Recommended | 4155B-03 | Firmware update to fix SMU glitch problem | 1998.11.10 |
| 4155B | Modification Recommended | 4155B-04 | Firmware update to fix CPU restart problem | 1998.11.10 |
| 4155B | Modification Recommended | 4155B-05 | CPU board replacement to prevent startup failures | 1999.02.17 |
| 4155B | Modification Recommended | 4155B-07 | Firmware update to remedy units not responding in pulsed sweep mode | 1999.02.17 |
| 4155B | Modification Recommended | 4155B-08 | New firmware fixes incorrect measurement status problem | 1999.06.23 |
| 4155B | Modification Recommended | 4155B-09 | Main power switch is stuck | 2000.10.25 |
| 4155B | Modification Recommended | 4155B-10 | Firmware update to fix some problems | 2001.06.07 |
| 4155B | Modification Recommended | 4155B-11 | Firmware update to fix whining noise from CPU board beeper | 2001.06.18 |
| 4155B | Information Only | 4155B-12 | LCD Replaceable Unit Change | 2003.11.24 |
| 4155C | Modification Recommended | 4155C-01 | Firmware update to fix HRVSU/VMU Diag Fail problem | 2001.05.29 |
| 4155C | Modification Recommended | 4155C-02 | Firmware update to fix some problems | 2001.06.07 |
| 4155C | Modification Recommended | 4155C-03 | Firmware update to fix whining noise from CPU board beeper | 2001.06.18 |
| 4155C | Modification Recommended | 4155C-04 | LCD Picture Intermittently Reverses Or Is Not Displayed | 2003.11.30 |
| 4155C | Modification Recommended | 4155C-05 | LCD Picture Intermittently Reverses or is not Displayed | 2006.05.07 |
| 4156A | Modification Recommended | 4156A-01 | Updating the preliminary ROMs with formal-released ROMs | 1994.03.10 |
| 4156A | Modification Recommended | 4156A-02 | New power supply prevents shut-down failures | 1994.10.10 |
| 4156A | Modification Recommended | 4156A-03 | Repair for SMU selftest/selfcalibration error 10x24 | 1994.11.03 |
| 4156A | Modification Recommended | 4156A-04 | New front panel prevents rotary knob from rubbing front panel | 1994.11.03 |
| 4156A | Modification Recommended | 4156A-05 | New front panel prevents push button keys from sticking | 1994.11.03 |
| 4156A | Modification Recommended | 4156A-07 | Replacing CPU board ROMs fixes firmware defects | 1995.02.16 |
| 4156A | Modification Recommended | 4156A-08 | Replacing CPU board ROMs fix firmware defects | 1996.06.13 |
| 4156A | Modification Recommended | 4156A-10A | Power Supl Replcmnt to Prevent Shutdown/Reboot Problem | 2000.01.17 |
| 4156A | Modification Recommended | 4156A-11A | Replacing CPU board ROMs to fix firmware defects | 1998.10.07 |
| 4156A | Modification Recommended | 4156A-12 | SMU controller firmware update to fix SMU glitch problem | 1998.10.07 |
| 4156A | Modification Recommended | 4156A-13 | SMU controller firmware update to use 41501B expander | 1998.10.07 |
| 4156A | Modification Recommended | 4156A-14 | Firmware update to fix SMU glitch problem | 1998.11.23 |
| 4156B | Modification Recommended | 4156B-01 | SMU controller firmware update to fix SMU glitch problem | 1998.10.07 |
| 4156B | Modification Recommended | 4156B-02 | CPU board replacement to prevent startup failures | 1998.10.07 |
| 4156B | Modification Recommended | 4156B-03 | Firmware update to fix SMU glitch problem | 1998.11.10 |
| 4156B | Modification Recommended | 4156B-04 | Firmware update to fix CPU restart problem | 1998.11.10 |
| 4156B | Modification Recommended | 4156B-05 | CPU board replacement to prevent startup failures | 1999.02.17 |
| 4156B | Modification Recommended | 4156B-07 | Firmware update to remedy units not responding in pulsed sweep mode | 1999.02.17 |
| 4156B | Modification Recommended | 4156B-08 | New firmware fixes incorrect measurement status problem | 1999.06.23 |
| 4156B | Modification Recommended | 4156B-09 | Main power switch is stuck | 2000.10.25 |
| 4156B | Modification Recommended | 4156B-10 | Firmware update to fix some problems | 2001.06.07 |
| 4156B | Modification Recommended | 4156B-11 | Firmware update to fix whining noise from CPU board beeper | 2001.06.18 |
| 4156C | Modification Recommended | 4156C-01 | Firmware update to fix HRVSU/VMU Diag Fail problem | 2001.05.29 |
| 4156C | Modification Recommended | 4156C-02 | Firmware update to fix some problems | 2001.06.07 |
| 4156C | Modification Recommended | 4156C-03 | Firmware update to fix whining noise from CPU board beeper | 2001.06.18 |
| 4156C | Modification Recommended | 4156C-04 | LCD Picture Intermittently Reverses Or Is Not Displayed | 2003.11.30 |
| 4156C | Modification Recommended | 4156C-05 | LCD Picture Intermittently Reverses or is not Displayed | 2006.05.07 |
| 4263B | Modification Recommended | 4263B-01 | Firmware upgrade corrects ADC error in DC biased measurement | 1996.11.21 |
| 4263B | Modification Recommended | 4263B-02 | Mod to prevent ""ADC FAILURE"" after power on / Reset is done | 1998.12.14 |
| 4263B | Modification Recommended | 4263B-03 | Modification to prevent ""EEPROM R/W FAILED"" | 1998.12.14 |
| 4263B | Modification Recommended | 4263B-04 | Mod to prevent ""ADC FAILURE"" when Recall function is used | 1998.12.14 |
| 4263B | Modification Recommended | 4263B-05 | The HP4263B short correction value is large by only 100kHZ on the Test Fixture | 1999.06.23 |
| 4263B | Modification Recommended | 4263B-06 | Measurement accuracy may be out of specification | 2001.02.12 |
| 4263B | Modification Recommended | 4263B-07A | Modification to fix intermittent illigal data readings | 2001.08.22 |
| 4263B | Modification Recommended | 4263B-08 | Incorrect characters might be displayed on rare occasions. | 2004.09.21 |
| 4268A | Modification Recommended | 4268A-01 | Modification to prevent missing an external trigger signal | 2000.10.31 |
| 4268A | Priority Safety | 4268A-03-S | A broken AC inlet may potentially result in a electric shock hazard | 2000.10.08 |
| 4284A | Modification Recommended | 4284A-11A | Modification prevents bias current source fuse from blowing | 1995.01.11 |
| 4284A | Modification Recommended | 4284A-13 | Mod to eliminate ""Scanner data CSUM error"" | 2000.11.12 |
| 4284A | Modification Recommended | 4284A-16 | Modification Required to Add A20 GPIB Interface | 2003.04.01 |
| 4285A | Modification Recommended | 4285A-09A | Mod prevents bias current source fuse from blowing | 1995.01.11 |
| 4285A | Modification Recommended | 4285A-11 | Mod to eliminate ""Scanner data CSUM error"" | 2000.11.12 |
| 4286A | Modification Recommended | 4286A-04 | Modification to fix Internal Real Time Clock Delay trouble | 1998-07 |
| 4287A | Modification Recommended | 4287A-01A | Mod to fix booting problem | 2000.11.12 |
| 4287A | Modification Recommended | 4287A-02 | Repair of error ""Power on test faild"" about applicable serial number. | 2001.12.18 |
| 4287A | Modification Recommended | 4287A-07A | “PLL unlock” Error Message due to A3 Source Board Failure | 2008.07.09 |
| 4287A | Modification Recommended | 4287A-08 | Abrupt hang-up in continuous measurements | 2007.02.06 |
| 4287A | Modification Recommended | 4287A-10 | Unable to detect GPIB card causing slow response in measurement | 2007.08.08 |
| 4288A | Modification Recommended | 4288A-01 | Firmware update for bug fix | 2001.05.24 |
| 4288A | Modification Recommended | 4288A-03 | Incorrect items for instrument setup screens might be displayed on rare occasions. | 2004.09.21 |
| 4288A | Modification Recommended | 4288A-04A | The specification of D factor at 1MHz becomes out of specification because of the wrong linearity | 2006.06.04 |
| 4288A | Modification Recommended | 4288A-06 | E21 Save Failed problem on Save function and OVLD display problem on Multi Compensation function | 2007.01.29 |
| 4291A | Modification Recommended | 4291A-04 | Modification to fix Internal Real Time Clock Delay trouble | 1998-07 |
| 4291B | Modification Recommended | 4291B-01 | Mod to fix intermittent display problem | 1998.10.07 |
| 4291B | Modification Recommended | 4291B-02A | To fix internal real time clock delay trouble | 1998.11.10 |
| 4291B | Modification Recommended | 4291B-03 | Mod to fix sample program error for high temp. option 013 & 014 | 1998.11.10 |
| 4291B | Modification Recommended | 4291B-04 | Measured accuracy test fail | 1998.11.10 |
| 4291B | Safety | 4291B-05-S | Power supply does not comply with CSA950/IEC950 stadards | 1998.12.14 |
| 4291B | Modification Recommended | 4291B-06 | No display when power is on | 1998.08.09 |
| 4291B | Priority Safety | 4291B-07-S | A broken AC inlet may potentially result in a electric shock hazard | 2000.10.08 |
| 4291B | Modification Recommended | 4291B-08A | Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. | 2002.05.01 |
| 4294A | Modification Recommended | 4294A-01 | External tests for analog circuits | 2002.11.02 |
| 4294A | Safety | 4294A-02A-S | A broken AC inlet may potentially result in an electric shock hazard. | 2012.02.27 |
| 4294A | Modification Recommended | 4294A-03A | Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. | 2002.05.01 |
| 4294A | Modification Recommended | 4294A-04 | Intermittent failure about A8 (Vector Ratio Detector) | 2002.05.27 |
| 4338B | Modification Recommended | 4338B-01 | Incorrect characters might be displayed on rare occasions. | 2004.09.28 |
| 4339B | Modification Recommended | 4339B-01 | Mod to prevent "":SYST:ERR?"" HP-IB command problem | 1999.02.17 |
| 4339B | Modification Recommended | 4339B-02 | Mod to prevent unit from hanging up when improper OPEN correction is performed | 1999.02.17 |
| 4339B | Modification Recommended | 4339B-03 | Mod to fix incorrect Handler Interface signal | 1999.02.17 |
| 4339B | Modification Recommended | 4339B-04 | Incorrect characters might be displayed on rare occasions | 2004.09.27 |
| 4339B | Modification Recommended | 4339B-05 | Offset Voltage Test might fail, during PVT | 2017.09.18 |
| 4349B | Modification Recommended | 4349B-01 | Modification to prevent ":SYST:ERR?" HP-IB command problem | 1998.12.31 |
| 4349B | Modification Recommended | 4349B-02 | Mod to prevent unit from hanging up when improper OPEN correction is performed | 1999.02.17 |
| 4349B | Modification Recommended | 4349B-03 | Mod to fix incorrect Handler Interface signal | 1999.02.17 |
| 4349B | Modification Recommended | 4349B-04 | Incorrect characters might be displayed on rare occasions. | 2004.09.28 |
| 4349B | Modification Recommended | 4349B-05 | Remedy for OVLD display due to incomplete soldering of capacitor on A1board | 2006.10.04 |
| 4352A | Modification Recommended | 4352A-01 | Modification to fix Internal Real Time Clock Delay trouble | 1998-07 |
| 4352B | Safety | 4352B-07-S | POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS | 1998.06.30 |
| 4352B | Priority Safety | 4352B-08-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| 4395A | Modification Recommended | 4395A-02 | Mod to prevent intermittent display problem | 1998.10.13 |
| 4395A | Modification Recommended | 4395A-03 | Mod to prevent intermittent display problem | 1998.10.13 |
| 4395A | Modification Recommended | 4395A-05 | Mod to fix internal real time clock delay trouble | 1998.10.07 |
| 4395A | Safety | 4395A-06-S | POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS | 1998.07.31 |
| 4395A | Modification Recommended | 4395A-07 | No display when power is on | 1999.08.09 |
| 4395A | Priority Safety | 4395A-09-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| 4395A | Modification Recommended | 4395A-10A | Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. | 2002.05.01 |
| 4395A | Modification Recommended | 4395A-11 | Spurious on the trace trouble in Network measurement mode | 2001.07.16 |
| 4395A | Modification Recommended | 4395A-16 | Firmware upgrade to fix occasional rise in noise floor and the shift of measurement signal in frequency with SA mode. | 2005.07.04 |
| 4396A | Information Only | 4396A-01C | Firmware Update and A1 CPU Repair Information | 1995-02 |
| 4396A | Modification Recommended | 4396A-02 | Firmware Upgrade to Correct Auto Zoom and Save/Recall Operations | 1993.01.31 |
| 4396A | Information Only | 4396A-03 | Repair Procedure for A1 CPU (pn 04396-66501 or pn 04396-66511) | 1993.06.14 |
| 4396A | Information Only | 4396A-04 | Firmware Update Procedures | 1993.06.14 |
| 4396A | Modification Recommended | 4396A-05 | A2 Shutdown Circuit Malfunction | 1993.06.10 |
| 4396A | Modification Recommended | 4396A-06 | “POWER ON TEST FAILED” or “PHASE LOOK LOOP UNLOCKED” at Low Temperature | 1993.06.10 |
| 4396A | Modification Recommended | 4396A-07 | “POWER ON TEST FAILED” at Low Temperature | 1993.06.10 |
| 4396A | Information Only | 4396A-08 | New power switch improves reliability | 1993.11.23 |
| 4396A | Modification Recommended | 4396A-09 | Low RF output level caused by defective A3A3 | 1994.01.21 |
| 4396A | Modification Recommended | 4396A-10 | Modification improves rubber key sticking | 1994.01.21 |
| 4396A | Modification Recommended | 4396A-11 | Mod. corrects “PHASE LOCKED LOOP UNLOCKED” at high temperature | 1994.02.28 |
| 4396A | Information Only | 4396A-12 | Option Upgrade Procedure | 1994.03.01 |
| 4396A | Modification Recommended | 4396A-13 | New firmware corrects some bugs on firmware revision 3.00 | 1994-10 |
| 4396A | Modification Recommended | 4396A-14A | New firmware corrects incorrect GPIB return value of “*TST?” query. | 1995-02 |
| 4396A | Modification Recommended | 4396A-16 | Modification to fix Internal Real Time Clock Delay trouble | 1998-07 |
| 4396B | Modification Recommended | 4396B-01 | Modification to prevent power supply failure | 1998.03.01 |
| 4396B | Information Only | 4396B-02 | Replacement for obsoleted LCD P/N 2090-0534 | 1998-08 |
| 4396B | Modification Recommended | 4396B-03 | Mod to fix intermittent display problem | 1998.10.13 |
| 4396B | Modification Recommended | 4396B-04 | Mod to prevent intermittent display problem | 1998.10.13 |
| 4396B | Information Only | 4396B-05 | Use of GSP PN E4970-66552 and LCD PN 2090-0574 may cause a display problem | 1998-07 |
| 4396B | Modification Recommended | 4396B-06A | Mod to fix internal real time clock delay trouble | 2001.07.15 |
| 4396B | Safety | 4396B-07-S | POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS | 1998.07.31 |
| 4396B | Modification Recommended | 4396B-08 | No display when power is on | 1999.08.09 |
| 4396B | Modification Recommended | 4396B-09 | No recall of compensation data when using Impedance measurement mode | 2000.01.17 |
| 4396B | Priority Safety | 4396B-10-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| 4396B | Modification Recommended | 4396B-11A | Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. | 2002.05.01 |
| 4396B | Information Only | 4396B-12A | Part number changes for LCD | 2004.03.23 |
| 4396B | Information Only | 4396B-13 | Part Number Changes for Power Supply Switch Parts | 2002.09.12 |
| 4396B | Information Only | 4396B-14 | New Replaceable Parts for Probe Power Supply | 2002.10.08 |
| 4800A | Modification Available | 4800A-02 | Thermistor A17R14 Replacement – hp Modification Kit 04800-61043 | 1968-02 |
| 4800A | Modification Available | 4800A-03 | Error in Transformer Wiring | 1969-06 |
| 4800A | Modification Available | 4800A-04 | Power Supply Modification | 1969-10 |
| 4934A | Modification Recommended | 4934A-11A | Recommended modification prevents hold circuit failure | 1992.10.31 |
| 4934A | Safety | 4934A-15-S | Short Circuit Hazard | 1997.08.31 |
| 4934A | Modification Recommended | 4934A-16 | Instructions for ground modifications | 1998.10.13 |
| 4934A | Modification Recommended | 4934A-18 | Receive level problem | 2001.06.13 |
| 4935A | Modification Recommended | 4935A-16 | Modification to correct signal measurement when using receiver hold circuit | 1993.02.28 |
| 4948A | Modification Recommended | 4948A-09 | Modification fixes measurement hang-up with error code 2000 | 1992.07.31 |
| 4951C | Modification Recommended | 4951C-14 | Modification to eliminate erroneous ABORT frames | 1991.05.31 |
| 4952A | Modification Available | 4952A-12B | Available firmware upgrade from Rev. 1.0 to Rev. A.02.02 | 1992.02.29 |
| 4952A | Modification Available | 4952A-17 | Real time clock allows captured data in buffer to be time stamped | 1993.02.28 |
| 4954A | Modification Recommended | 4954A-08 | New firmware revision 2.1 corrects several known problems | 1993.02.28 |
| 4957A | Modification Available | 4957A-01C | Available option allows high speed option retrofitting | 1994.03.10 |
| 4957A | Modification Recommended | 4957A-04 | New ROM fixes DLC Data Bus Contention problem/A1UT4 | 1992.10.31 |
| 4957A | Modification Recommended | 4957A-05A | Modification to prevent enlargement or shrinkage of display | 1992.02.29 |
| 4957A | Modification Recommended | 4957A-07 | Modification to misloaded diodes corrects ""no display"" | 1992.02.29 |
| 4957A | Modification Recommended | 4957A-08 | Firmware Revision A.00.01 Anomalies | 1992.02.29 |
| 4957A | Modification Available | 4957A-09 | Katakana option retrofitting | 1992.02.29 |
| 4957PC | Modification Available | 4957PC-01B | Available option allows high speed option retrofitting | 1993.12.31 |
| 4957PC | Modification Recommended | 4957PC-02 | New ROMs fix auto-configuration anomaly | 1992.02.29 |
| 4957PC | Modification Recommended | 4957PC-03 | Modification to stop monitoring and/or simulating | 1992.02.29 |
| 4957PC | Modification Recommended | 4957PC-04 | Modification correct MASS STORE or LOAD APPLICATION features | 1992.04.30 |
| 4980A | Safety | 4980A-02-S | Modification to meet grounding standards | 1991.10.07 |
| 4980A | Modification Recommended | 4980A-03A | Modification to eliminate bad sectors on hard disk drive | 1992.05.31 |
| 4980A | Modification Recommended | 4980A-04 | Modification prevents trace shorting on the LCD board | 1992.04.30 |
| 4980A | Modification Recommended | 4980A-05A | Modification to resolve ""Service Request Time-out on Port xxx"" error | 1992.05.31 |
| 4980A | Modification Recommended | 4980A-06A | Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" | 1992.07.31 |
| 4980A | Modification Available | 4980A-07 | Directions on upgrading hard disk drive to 105 MByte | 1992.06.30 |
| 4980A | Modification Available | 4980A-08 | Directions on upgrading capture buffer to 16 MByte | 1992.06.30 |
| 4980A | Modification Recommended | 4980A-09 | Modification resolves ""bootup/time-out errors"" | 1992.10.31 |
| 4980A | Modification Recommended | 4980A-11 | LED board mod allows greater range of brightness adjustment | 1993.12.12 |
| 4981A | Safety | 4981A-02-S | Modification to meet grounding standards | 1991.10.07 |
| 4981A | Modification Recommended | 4981A-03 | Modification eliminates bad sectors on hard disk drive | 1992.04.30 |
| 4981A | Modification Recommended | 4981A-04 | Modification prevents trace shorting on the LCD board | 1992.04.30 |
| 4981A | Modification Recommended | 4981A-05A | Modification to resolve ""Service Request Time-out on Port XXX"" error | 1992.06.30 |
| 4981A | Modification Recommended | 4981A-06A | Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" | 1992.07.31 |
| 4981A | Modification Available | 4981A-07 | Directions on upgrading hard disk drive to 105 MByte | 1992.06.30 |
| 4981A | Modification Available | 4981A-08 | Directions on upgrading capture buffer to 16 MByte | 1992.06.30 |
| 4981A | Modification Recommended | 4981A-09 | Modification resolves ""bootup/time-out errors"" | 1992.10.31 |
| 4981A | Modification Recommended | 4981A-11 | LED board mod allows greater range of brightness adjustment | 1993.12.12 |
| 4982A | Safety | 4982A-02-S | Modification to meet grounding standards | 1991.10.07 |
| 4982A | Modification Recommended | 4982A-03 | Modification eliminates bad sectors on hard disk drive | 1992.04.30 |
| 4982A | Modification Recommended | 4982A-04 | Modification prevents trace shorting on the LCD board | 1992.04.30 |
| 4982A | Modification Recommended | 4982A-05A | Modification to resolve ""Service Request Time-out on Port XXX"" error | 1992.06.30 |
| 4982A | Modification Recommended | 4982A-06A | Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" | 1992.07.31 |
| 4982A | Modification Available | 4982A-07 | Directions on upgrading hard disk drive to 105 MByte | 1992.06.30 |
| 4982A | Modification Available | 4982A-08 | Directions on upgrading capture buffer to 16 MByte | 1992.06.30 |
| 4982A | Modification Recommended | 4982A-09 | Modification resolves ""bootup/time-out errors"" | 1992.10.31 |
| 4982A | Modification Recommended | 4982A-11 | LED board mod allows greater range of brightness adjustment | 1993.12.12 |
| 4985B | Modification Recommended | 4985B-01 | Noise on int buss causes processor to corrupt its internal program | 1998.03.01 |
| 4985B | Modification Recommended | 4985B-02 | Auto ring speed detection fails | 1998.03.01 |
| 4986A | Modification Recommended | 4986A-01 | Modification to power modules improves 5 VDC stability | 1995.10.31 |
| 4991A | Modification Recommended | 4991A-12 | Modification improves reliability of P1 & P2 power supply connections | 1992.10.31 |
| 4991A | Modification Recommended | 4991A-13 | Modification to fix ""Node Movement, or Node Hopping,"" and network performance | 1992.02.29 |
| 4992A | Modification Recommended | 4992A-02 | Modification to fix ""Node Movement, or Node Hopping,"" and network performance | 1992.02.29 |
| 4995A | Modification Recommended | 4995A-01 | Modification eliminates possible power up problems | 1993.03.31 |
| 4995A | Modification Recommended | 4995A-02 | Jumper wires in serial controller chip improve performance | 1994.10.10 |
| 4996A | Modification Recommended | 4996A-01 | Modification eliminates possible power up problems | 1993.03.31 |
| 4996A | Modification Recommended | 4996A-02 | Jumper wires in serial controller chip improve performance | 1994.10.10 |
| 5004A | Modification Available | 5004A-1B | DATA PROBE THRESHOLD VOLTAGE ADJUSTMENT AND COMPENSATION | 1978-08 |
| 5335A | Modification Recommended | 5335A-23 | DEGRADED SENSITIVITY WITH SPECIAL OPTION C10 | 1988-09 |
| 5335A | Modification Recommended | 5335A-24 | PREFERRED REPLACEMENT PART FOR A9CR6 AND A9CR4 | 1988-10 |
| 5335A | Modification Recommended | 5335A-26B | Power Supply relay problem | 1992.03.23 |
| 5343A | Safety | 5343A-31C-S | New cabinet support strut and top cover | 1993.01.12 |
| 5344A | Safety | 5344A-01A-S | New cabinet support strut and top cover | 1993.01.12 |
| 5345A | Modification Available | 5345A-1 | Serial prefix 1428- and below. Input amplifier failures. | 1975-01 |
| 5345A | Modification Available | 5345A-2 | Serial prefix 1428 and above. Input amplifier failures. | 1975-04 |
| 5345A | Information Only | 5345A-6 | A9 Maingate Assembly troubleshooting procedure | 1977-07 |
| 5345A | Information Only | 5345A-7 | A11 Scaler Assembly troubleshooting procedure | 1977-07 |
| 5345A | Information Only | 5345A-8 | A10 Gate Control Assembly troubleshooting procedure | 1977-07 |
| 5345A | Information Only | 5345A-9A | 9825 HP-IB verification program for 5345A, opt 011 (Supersedes 5345A-9) | 1980.02.05 |
| 5345A | Information Only | 5345A-9B | HP-IB verification program for 5345A, opt 011 (Supersedes 5345A-9A) | 1981-01 |
| 5345A | Modification Recommended | 5345A-10A | Serials 1708 and below. Resistor changes on A4 input trigger assembly (05345-60004) to improve performance. (Supersedes 5345A-10) | 1979.02.12 |
| 5345A | Modification Available | 5345A-11 | All serials. Modification to A7 linear regulator assembly (05345-60007) to improve +15V supply operation | 1978.02.03 |
| 5345A | Information Only | 5345A-12B | HP-IB verification program for 5345A, Opt. 012 (Supersedes 5345A-12A) | 1981-01 |
| 5345A | Information Only | 5345A-13 | All serials. Clarification of special extender board compatibility with 5345A counters. | 1978-02 |
| 5345A | Modification Recommended | 5345A-14 | All serials. Elimination of shorting between circuit boards and board sockets. | 1979-05 |
| 5345A | Modification Recommended | 5345A-15 | Serials 1920A and below. Modification to improve mechanical interconnection with plug-ins. | 1979-06 |
| 5345A | Modification Recommended | 5345A-16 | A13 boards with series 1820 and 1912. Modification to prevent miscounting on REG CLK line | 1979-06 |
| 5345A | Modification Recommended | 5345A-16A | A13 boards with series 1820 and 1912. Modification to prevent miscounting caused by noise on reg. clk. line. | 1980-05 |
| 5345A | Modification Available | 5345A-17 | All serials. Summary of A3 and A4 Assembly U1 and U2 changes, replacement part numbers, and bias adjustments | 1981-03 |
| 5345A | Information Only | 5345A-18 | All serials. ROM part number changes. | 1981-09 |
| 5345A | Information Only | 5345A-19A | All serials. HP-IB verification program for 5345A option 011 using the HP 85A controller. (Supersedes 5345A-19) | 1982-01 |
| 5345A | Modification Available | 5345A-21 | All serials. HP-IB modification for Option 012 compatibility with HP 1000L series computers. | 1981-09 |
| 5345A | Modification Available | 5345A-22 | All options and serial number prefixes. Modification to improve input sensitivity | 1982-02 |
| 5345A | Modification Available | 5345A-23 | Option 012 serials. Modification to allow counter to respond properly to a serial poll by a series 200 controller. | 1984-03 |
| 5345A | Modification Available | 5345A-24 | 5345A serials 21 34A07500 through 2346A10040 used with the 5355A automatic frequency converter plug-in and the 5356A/B/C frequency converter heads. Modification to prevent miscount problem. | 1984-03 |
| 5345A | Modification Available | 5345A-25 | All serials. Modification to eliminate temperature sensitive input amplifier. | 1984-03 |
| 5501B | Modification Recommended | 5501B-02A | In many incidences, the temperature adjustment process for the laser heads had been found being adjusted incorrectly. | 2002-07 |
| 5517A | Modification Recommended | 5517A-01B | Recommended repair of sampler assembly | 1995.07.27 |
| 5517A | Modification Recommended | 5517A-02 | Recommended repair of sampler assy | 1996.03.14 |
| 5517A | Modification Recommended | 5517A-04A | Temperature adjustment process | 2001.07.16 |
| 5517B | Modification Recommended | 5517B-02 | Recommended repair of sampler assy | 1996.03.14 |
| 5517B | Modification Recommended | 5517B-04A | Temperature adjustment process | 2001.07.16 |
| 5517B | Modification Recommended | 5517B-05A | Controller Board A3F1 Nuisance blows | 2006.02.09 |
| 5517C | Modification Recommended | 5517C-02 | Recommended repair of sampler assy | 1996.03.14 |
| 5517C | Modification Recommended | 5517C-04A | Temperature adjustment process | 2001.07.16 |
| 5517CN05 | Modification Recommended | 5517C-05B | Controller Board A3F1 Nuisance blows | 2006.03.16 |
| 5517D | Modification Recommended | 5517D-02 | Recommended repair of sampler assy | 1996.03.14 |
| 5517D | Modification Recommended | 5517D-04A | Temperature adjustment process | 2001.07.16 |
| 5517DN07 | Modification Recommended | 5517D-05B | Controller Board A3F1 Nuisance blows | 2006.03.16 |
| 5518A | Modification Recommended | 5518A-01B | Recommended repair of sampler assembly | 1995.07.27 |
| 5519A | Modification Recommended | 5519A-02A | Temperature adjustment process | 2001.07.16 |
| 5519B | Modification Recommended | 5519B-02A | Temperature adjustment process | 2001.07.16 |
| 6012A | Modification Recommended | 6012A-1 | Serial Numbers 1946AOO140 and Below CURRENT MONITOR RESISTOR CHANGE | 1981-10 |
| 6012A | Modification Recommended | 6012A-2 | Serial Numbers 2116AOO300 and Below – NEW FAN INSTALLATION HARDWARE | 1981-10 |
| 6012A | Modification Recommended | 6012A-3 | MODIFICATION TO STABILIZE CONTROL BOARD IN PCB EDGE CONNECTOR – Serial Numbers 2121A-00380 and Below | 1981-10 |
| 6012B | Modification Recommended | 6012B-08 | Misloaded fuse | 1998.11.10 |
| 6030A | Modification Recommended | 6030A-13 | Modification using RTV to prevent W8 ribbon cable disconnect | 1992.04.30 |
| 6030A | Modification Available | 6030A-17 | AC input filter assembly replacement | 1994.06.23 |
| 6030A | Modification Recommended | 6030A-21 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6030A | Modification Recommended | 6030A-22 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6031A | Modification Recommended | 6031A-15 | Modification using RTV to prevent W8 ribbon cable disconnect | 1992.04.30 |
| 6031A | Modification Available | 6031A-19 | AC input filter assembly replacement | 1994.06.23 |
| 6031A | Modification Recommended | 6031A-23 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6031A | Modification Recommended | 6031A-24 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6032A | Modification Recommended | 6032A-14 | Modification using RTV to prevent W8 ribbon cable disconnect | 1992.04.30 |
| 6032A | Modification Recommended | 6032A-19 | Misloaded fuse | 1998.11.10 |
| 6032A | Modification Recommended | 6032A-22 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6032A | Modification Recommended | 6032A-23 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6033A | Modification Recommended | 6033A-14 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6033A | Modification Recommended | 6033A-15 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6035A | Modification Recommended | 6035A-03 | Modification using RTV to prevent W8 ribbon cable disconnect | 1992.04.30 |
| 6035A | Modification Recommended | 6035A-04 | Modification prevents spurious high frequency down programmer FET oscillations | 1992.04.30 |
| 6035A | Modification Recommended | 6035A-11 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6035A | Modification Recommended | 6035A-12 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6038A | Modification Recommended | 6038A-12 | GPIB Communications Error when used with a 59510A or 59511A Relay Box | 2002.06.02 |
| 6038A | Modification Recommended | 6038A-13 | To correct the “CC” Constant Current mode offset performance anomaly. | 2011.05.12 |
| 6060B | Modification Recommended | 6060B-02 | Safety compliance of RFI Filter capacitor discharge time constant | 1993.06.30 |
| 6060B | Safety | 6060B-04A-S | Due to poor soldering, the instrument’s internal safety grounding may be faulty. | 2010.05.17 |
| 6063B | Modification Recommended | 6063B-02 | Safety compliance of RFI Filter capacitor discharge time constant | 1993.06.30 |
| 6063B | Safety | 6063B-04A-S | Due to poor soldering, the instrument’s internal safety grounding may be faulty. | 2010.05.17 |
| 6259B | Modification Recommended | 6259B-3A | HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES | 1980-12 |
| 6260B | Modification Recommended | 6260B-2A | HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES | 1980-12 |
| 6261B | Modification Recommended | 6261B-2 | HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES | 1980-12 |
| 6268B | Modification Recommended | 6268B-2A | HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES | 1980-12 |
| 6269B | Modification Recommended | 6269B-4 | HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES | 1980-12 |
| 6541A | Modification Recommended | 6541A-02A | Intermittent Phone Cables | 2001.01.31 |
| 6542A | Modification Recommended | 6542A-02A | Intermittent Phone Cables | 2001.01.31 |
| 6543A | Modification Recommended | 6543A-02A | Intermittent Phone Cables | 2001.01.31 |
| 6544A | Modification Recommended | 6544A-02A | Intermittent Phone Cables | 2001.01.31 |
| 6545A | Modification Recommended | 6545A-01A | Capacitor C418 May Fail | 2002.05.03 |
| 6545A | Modification Recommended | 6545A-03A | Intermittent Phone Cables | 2001.01.31 |
| 6551A | Modification Recommended | 6551A-02 | Intermittent Phone Cables | 1999.07.31 |
| 6551A | Safety | 6551A-06 | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2016.06.08 |
| 6552A | Modification Recommended | 6552A-02 | Intermittent Phone Cables | 1999.07.31 |
| 6552A | Safety | 6552A-06A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| 6553A | Modification Recommended | 6553A-02 | Intermittent Phone Cables | 1999.07.31 |
| 6553A | Modification Recommended | 6553A-04 | Bridge Rectifier Failure | 1999.11.30 |
| 6553A | Modification Recommended | 6553A-05 | Cannot Perform Current Calibration / Alignment | 2002.05.30 |
| 6553A | Safety | 6553A-08A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| 6554A | Modification Recommended | 6554A-02 | Intermittent Phone Cables | 1999.07.31 |
| 6554A | Safety | 6554A-08 | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand | 2016.06.09 |
| 6555A | Modification Recommended | 6555A-02 | Intermittent Phone Cables | 1999.07.31 |
| 6555A | Modification Recommended | 6555A-04 | Zero ohm resistor breakdown | 2001.05.22 |
| 6555A | Safety | 6555A-07 | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2016.06.08 |
| 6571A | Modification Recommended | 6571A-03 | Intermittent Phone Cables | 1999.07.31 |
| 6571A | Modification Recommended | 6571A-06A | Upgrade for unstable Current Shunts ""R907"" | 2003.10.16 |
| 6571A | Modification Recommended | 6571A-08 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6571A | Modification Recommended | 6571A-09 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6572A | Modification Recommended | 6572A-03 | Intermittent Phone Cables | 1999.07.31 |
| 6572A | Modification Recommended | 6572A-05A | Upgrade for Unstable Current Shunt ""R907"" | 2003.10.16 |
| 6572A | Modification Recommended | 6572A-06 | Slow or No Down Programming capability | 2006.07.30 |
| 6572A | Modification Recommended | 6572A-08 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6572A | Modification Recommended | 6572A-09 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6573A | Modification Recommended | 6573A-03 | Intermittent Phone Cables | 1999.07.31 |
| 6573A | Modification Recommended | 6573A-05A | Upgrade for Unstable Current Shunt ""R409"" | 2003.10.16 |
| 6573A | Modification Recommended | 6573A-07 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6573A | Modification Recommended | 6573A-08 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6574A | Modification Recommended | 6574A-03 | Improper Crimps on Output Transformer & Choke | 1999.02.28 |
| 6574A | Modification Recommended | 6574A-04 | Intermittent Phone Cables | 1999.07.31 |
| 6574A | Modification Recommended | 6574A-07A | Upgrade for Unstable Current Shunt ""R907"" | 2003.10.16 |
| 6574A | Modification Recommended | 6574A-09 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6574A | Modification Recommended | 6574A-10 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6575A | Modification Recommended | 6575A-01 | Modification improves reliability of sense protection resistors | 1993.01.31 |
| 6575A | Modification Recommended | 6575A-04 | Improper Crimps on Output Transformer & Choke | 1999.02.28 |
| 6575A | Modification Recommended | 6575A-05 | Intermittent Phone Cables | 1999.07.31 |
| 6575A | Modification Recommended | 6575A-07A | Upgrade for Unstable Current Shunt ""R907"" | 2003.10.16 |
| 6575A | Modification Recommended | 6575A-09 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6575A | Modification Recommended | 6575A-10 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6611C | Modification Recommended | 6611C-01A | RS232/HP-IB Firmware Hang-ups | 1999.08.09 |
| 6611C | Modification Recommended | 6611C-04B | Unit Exchange Program | 2001.01.31 |
| 6611C | Modification Recommended | 6611C-07A | On faster computers, when programming over GPIB, a random error will occur. | 2005.11.01 |
| 6611C | Modification Recommended | 6611C-760-01B | Unit exchange program | 2001.05.22 |
| 6611C | Modification Recommended | 6611C-J05-01 | RS232/HP-IB Firmware Hang-ups | 1998.11.23 |
| 6612C | Modification Recommended | 6612C-04B | Unit Exchange Program | 2001.01.31 |
| 6612C | Modification Recommended | 6612C-07A | On faster computers, when programming over GPIB, a random error will occur. | 2005.11.01 |
| 6612C | Modification Recommended | 6612C-760-01B | Unit Exchange Program | 2001.01.31 |
| 6613C | Modification Recommended | 6613C-04B | Unit Exchange Program | 2001.01.31 |
| 6613C | Modification Recommended | 6613C-07A | On faster computers, when programming over GPIB, a random error will occur. | 2005.11.01 |
| 6613C | Modification Recommended | 6613C-760-01B | Unit Exchange Program | 2001.01.31 |
| 6613C | Modification Recommended | 6613C-RECALL-08 | Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. | 2012.08.19 |
| 6614C | Modification Recommended | 6614C-04B | Unit Exchange Program | 2001.01.31 |
| 6614C | Modification Recommended | 6614C-07A | On faster computers, when programming over GPIB, a random error will occur. | 2005.11.01 |
| 6614C | Modification Recommended | 6614C-760-01A | Unit exchange program | 2001.05.22 |
| 6614C | Modification Recommended | 6614C-760-01B | Unit Exchange Program | 2001.01.31 |
| 6614C | Modification Recommended | 6614C-RECALL-08 | Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. | 2012.08.19 |
| 6621A | Modification Recommended | 6621A-13 | Defective Cable | 2000.04.30 |
| 6621A | Modification Recommended | 6621A-14 | Intermittent Power Transformer “Magmate” Connections | 2002.09.03 |
| 6622A | Modification Recommended | 6622A-11 | Defective Cable | 2000.04.30 |
| 6622A | Modification Recommended | 6622A-12 | Intermittent Power Transformer “Magmate” Connections | 2002.09.03 |
| 6623A | Modification Recommended | 6623A-15 | Defective Cable | 2000.04.30 |
| 6623A | Modification Recommended | 6623A-16 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6624A | Modification Recommended | 6624A-12 | Defective Cable | 2000.04.30 |
| 6624A | Modification Recommended | 6624A-13 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6625A | Modification Recommended | 6625A-02 | Rec replacement of fuses improves performance | 1993.01.31 |
| 6625A | Modification Recommended | 6625A-10 | Defective Cable | 2000.04.30 |
| 6625A | Modification Recommended | 6625A-11 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6626A | Modification Recommended | 6626A-02 | Rec replacement of fuses improves performance | 1993.01.31 |
| 6626A | Modification Recommended | 6626A-10 | Defective Cable | 2000.04.30 |
| 6626A | Modification Recommended | 6626A-11 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6627A | Modification Recommended | 6627A-06 | Defective Cable | 2000.04.30 |
| 6627A | Modification Recommended | 6627A-07 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6628A | Modification Recommended | 6628A-02 | Rec replacement of fuses improves performance | 1993.01.31 |
| 6628A | Modification Recommended | 6628A-10 | Defective Cable | 2000.04.30 |
| 6628A | Modification Recommended | 6628A-11 | Intermittent Power Transformer “Magmate” Connections | 2002.09.03 |
| 6629A | Modification Recommended | 6629A-02 | Rec replacement of fuses improves performance | 1993.01.31 |
| 6629A | Modification Recommended | 6629A-10 | Defective Cable | 2000.04.30 |
| 6629A | Modification Recommended | 6629A-11 | Intermittent Power Transformer “Magmate” Connections | 2002.09.04 |
| 6631B | Modification Recommended | 6631B-02A | Blank Front Panel Display,Unit Dead | 1999.08.09 |
| 6631B | Modification Recommended | 6631B-05B | Unit Exchange Program | 2001.01.31 |
| 6631B | Modification Recommended | 6631B-08 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 6632B | Modification Recommended | 6632B-01 | Low range current readback out of specifications | 1998.03.01 |
| 6632B | Modification Recommended | 6632B-02 | High current readback accuracy out of specification | 1998.10.13 |
| 6632B | Modification Recommended | 6632B-03A | Blank Front Panel Display,Unit Dead | 1999.08.09 |
| 6632B | Modification Recommended | 6632B-05B | Unit Exchange Program | 2001.01.31 |
| 6632B | Modification Recommended | 6632B-08 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 6632B | Modification Recommended | 6632B-09 | There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. | 2011.01.10 |
| 6632B | Modification Recommended | 6632B-020-01B | Unit exchange program | 2001.05.22 |
| 6632B | Modification Recommended | 6632B-020-01B | Unit Exchange Program | 2001.01.31 |
| 6632B | Modification Recommended | 6632B-760-01B | Unit exchange program | 2001.05.22 |
| 6632B | Modification Recommended | 6632B-760-01B | Unit Exchange Program | 2001.01.31 |
| 6633A | Modification Available | 6633A-02 | Bleeder resistor increases RFI filter capacitor discharge rate | 1993.12.31 |
| 6633B | Modification Recommended | 6633B-01 | Low range current readback out of specifications | 1998.03.01 |
| 6633B | Modification Recommended | 6633B-02 | High current readback accuracy out of specification | 1998.10.13 |
| 6633B | Modification Recommended | 6633B-03A | Blank Front Panel Display,Unit Dead | 1999.08.09 |
| 6633B | Modification Recommended | 6633B-05B | Unit Exchange Program | 2001.01.31 |
| 6633B | Modification Recommended | 6633B-08 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 6633B | Modification Recommended | 6633B-09 | There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. | 2011.01.10 |
| 6633B | Modification Recommended | 6633B-020-01B | Unit exchange program | 2001.05.22 |
| 6633B | Modification Recommended | 6633B-760-01B | Unit exchange program | 2001.05.22 |
| 6634B | Modification Recommended | 6634B-01 | Low range current readback out of specifications | 1998.03.01 |
| 6634B | Modification Recommended | 6634B-02 | High current readback accuracy out of specification | 1998.10.13 |
| 6634B | Modification Recommended | 6634B-03A | Blank Front Panel Display,Unit Dead | 1999.08.09 |
| 6634B | Modification Recommended | 6634B-05B | Unit Exchange Program | 2001.01.31 |
| 6634B | Modification Recommended | 6634B-08 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 6634B | Modification Recommended | 6634B-09 | There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. | 2011.01.10 |
| 6634B | Modification Recommended | 6634B-020-01B | Unit exchange program | 2001.05.22 |
| 6634B | Modification Recommended | 6634B-020-01B | Unit Exchange Program | 2001.01.31 |
| 6634B | Modification Recommended | 6634B-760-01B | Unit Exchange Program | 2001.01.31 |
| 6634B | Modification Recommended | 6634B-760-01B | Unit exchange program | 2001.05.22 |
| 6634B | Modification Recommended | 6634B-RECALL-10 | Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. | 2012.08.19 |
| 6655A | Information Only | 6655A-03 | Modification to reduce Radiated RFI when replacing A2 GPIB board. | 1993.11.30 |
| 6655A | Information Only | 6655A-04 | Keypad board, Optical Encoders and Knobs have been changed and are not interchangeable with old parts | 1997-03 |
| 6655A | Information Only | 6655A-06B | Front Panel Parts List | 2002.06.28 |
| 6671A | Modification Recommended | 6671A-01B | Modification corrects relay link and eliminates error -240 | 1993.11.23 |
| 6671A | Modification Recommended | 6671A-02 | Mod prevents Error -240 when conn to HP 59510A/11A Relay Box | 1994.07.06 |
| 6671A | Modification Recommended | 6671A-05 | Intermittent Phone Cables | 1999.07.31 |
| 6671A | Modification Recommended | 6671A-08A | Upgrade for Unstable Current Shunt ""R907"" CC mode Operation | 2003.10.16 |
| 6671A | Modification Recommended | 6671A-10 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6671A | Modification Recommended | 6671A-11 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6671A | Modification Recommended | 6671A-13 | 6671A exhibited out of specification values for 3.5V to 4.0V at front panel read back readings | 2016.10.26 |
| 6672A | Modification Recommended | 6672A-01B | Modification corrects relay link and eliminates error -240 | 1993.11.23 |
| 6672A | Modification Recommended | 6672A-02 | Mod prevents Error -240 when conn to HP 59510A/11A Relay Box | 1994.07.06 |
| 6672A | Modification Recommended | 6672A-05 | Intermittent Phone Cables | 1999.07.31 |
| 6672A | Modification Recommended | 6672A-07A | Upgrade for Unstable Current Shunt ""R907"" | 2003.10.16 |
| 6672A | Modification Recommended | 6672A-08 | Slow or No Down Programming capability | 2006.07.30 |
| 6672A | Modification Recommended | 6672A-10 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6672A | Modification Recommended | 6672A-11 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6672A | Modification Recommended | 6672A-13 | 6672A exhibited out of specification values for 8.5V to 9.5V at front panel read back readings. | 2016.10.26 |
| 6673A | Modification Recommended | 6673A-01B | Modification corrects relay link and eliminates error -240 | 1993.11.23 |
| 6673A | Modification Recommended | 6673A-02 | Mod prevents Error -240 when conn to HP 59510A/11A Relay Box | 1994.07.06 |
| 6673A | Modification Recommended | 6673A-05 | Intermittent Phone Cables | 1999.07.31 |
| 6673A | Modification Recommended | 6673A-07A | Upgrade for ""Unstable"" Current Shunt ""R907"". | 2003.10.20 |
| 6673A | Modification Recommended | 6673A-09 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6673A | Modification Recommended | 6673A-10 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6673A | Modification Recommended | 6673A-12 | 6673A exhibited out of specification values for 14.5V to 16V and 26V to 27V at front panel read back readings | 2016.10.26 |
| 6674A | Modification Recommended | 6674A-01B | Modification corrects relay link and eliminates error -240 | 1993.11.23 |
| 6674A | Modification Recommended | 6674A-02 | Mod prevents Error -240 when conn to HP 59510A/11A Relay Box | 1994.07.06 |
| 6674A | Modification Recommended | 6674A-05 | Improper Crimps on Output Transformer & Choke | 1999.04.05 |
| 6674A | Modification Recommended | 6674A-06 | Intermittent Phone Cables | 1999.07.31 |
| 6674A | Modification Recommended | 6674A-09A | Upgrade for ""Unstable"" Current shunt ""R907"". | 2003.10.20 |
| 6674A | Modification Recommended | 6674A-11 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6674A | Modification Recommended | 6674A-12 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6674A | Modification Recommended | 6674A-14 | 6674A exhibited out of specification values for 24V to 28V and 44V to 46V at front panel read back readings. | 2016.10.26 |
| 6675A | Modification Recommended | 6675A-01B | Modification corrects relay link and eliminates error -240 | 1993.11.23 |
| 6675A | Modification Recommended | 6675A-02 | Modification improves reliability of sense protection resistors | 1993.01.31 |
| 6675A | Modification Recommended | 6675A-03 | Mod prevents Error -240 when conn to HP 59510A/11A Relay Box | 1994.07.06 |
| 6675A | Modification Recommended | 6675A-06 | Improper Crimps on Output Transformer & Choke | 1999.02.28 |
| 6675A | Modification Recommended | 6675A-07 | Intermittent phone cables | 1999.08.25 |
| 6675A | Modification Recommended | 6675A-09A | Upgrade for ""Unstable"" Current Shunt ""R907"". | 2003.10.20 |
| 6675A | Modification Recommended | 6675A-11 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| 6675A | Modification Recommended | 6675A-12 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6675A | Modification Recommended | 6675A-14 | 6675A exhibited out of specification values for 48V to 52V at front panel read back readings. | 2016.10.26 |
| 6680A | Modification Recommended | 6680A-03 | Intermittent Phone Cables | 1999.08.31 |
| 6680A | Modification Recommended | 6680A-04 | A9 Down Programmer Failures | 2000.05.02 |
| 6680A | Modification Recommended | 6680A-05 | Incorrect response to a query over GPIB | 2001.02.12 |
| 6680A | Modification Recommended | 6680A-08 | Shunt Resistor R900 has poor fast-on's. | 2004.02.24 |
| 6681A | Modification Recommended | 6681A-03 | Intermittent Phone Cables | 1999.08.31 |
| 6681A | Modification Recommended | 6681A-04 | A9 Down Programmer Failures | 2000.05.02 |
| 6681A | Modification Recommended | 6681A-05 | Incorrect response to a query over GPIB | 2001.02.12 |
| 6681A | Modification Recommended | 6681A-08 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6682A | Modification Recommended | 6682A-02 | Intermittent Phone Cables | 1999.08.31 |
| 6682A | Modification Recommended | 6682A-03 | A9 Down Programmer Failures | 2000.05.02 |
| 6682A | Modification Recommended | 6682A-04 | Incorrect response to a query over GPIB | 2001.02.12 |
| 6682A | Modification Recommended | 6682A-07 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6683A | Modification Recommended | 6683A-02 | Intermittent Phone Cables | 1999.08.31 |
| 6683A | Modification Recommended | 6683A-03 | A9 Down Programmer Failures | 2000.05.02 |
| 6683A | Modification Recommended | 6683A-04 | Incorrect response to a query over GPIB | 2001.02.12 |
| 6683A | Modification Recommended | 6683A-07 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6684A | Modification Recommended | 6684A-02 | Intermittent Phone Cables | 1999.08.31 |
| 6684A | Modification Recommended | 6684A-03 | A9 Down Programmer Failures | 2000.05.02 |
| 6684A | Modification Recommended | 6684A-04 | Incorrect response to a query over GPIB | 2001.02.12 |
| 6684A | Modification Recommended | 6684A-07 | Shunt resistor R900 has poor fast-ons. | 2004.02.24 |
| 6690A | Modification Recommended | 6690A-02 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6691A | Modification Recommended | 6691A-02 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6692A | Modification Recommended | 6692A-02 | Shunt Resistor R900 has poor fast-ons | 2004.02.24 |
| 6692A | Modification Recommended | 6692A-04 | Potential installation fault to users when the AC line cord is connected to the AC fuse holder/line cord module p/n 2110-1312 | 1899.12.30 |
| 6811B | Modification Recommended | 6811B-03 | The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. | 2009.02.19 |
| 6811B | Safety | 6811B-04A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| 6812B | Modification Recommended | 6812B-03 | The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. | 2009.02.19 |
| 6812B | Modification Recommended | 6812B-04 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6813B | Modification Recommended | 6813B-03 | Possible intermittent cable assembly | 2000.11.02 |
| 6813B | Modification Recommended | 6813B-05 | The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. | 2009.02.19 |
| 6813B | Modification Recommended | 6813B-06 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 6942A | Various | 06942-90001 | 6942A Multiprogrammer Service Notes Collection | 1987-01 |
| 7045B | Modification Recommended | 7045B-1 | IMPROVED X AND V AXIS ATTENUATOR ASSEMBLIES | 1981-08 |
| 8110A | Modification Recommended | 8110A-01 | Display failures (shifted lines and/or inverted display) | 2004.03.09 |
| 8114A | Modification Recommended | 8114A-01A | Modify Power Supply to fix problems at line voltage below 130V. | 2003.09.07 |
| 8114A | Modification Recommended | 8114A-02B | Intermittent display failures | 2006.06.28 |
| 8164A | Modification Recommended | 8164A-01 | 8164A Floppy Drive | 1999.08.31 |
| 8166A | Modification Recommended | 8166A-01A | Recommended MOV removal in power supply | 2001.04.01 |
| 8166B | Modification Recommended | 8166B-01 | Potential failure on backplane board | 2006.10.17 |
| 8169A | Modification Recommended | 8169A-01B | 8169A lockup problem patch and firmware upgrade. | 2002.04.28 |
| 8340A | Modification Available | 8340A-22 | Rear Panel to Front Panel Retrofit Instructions | 1993.01.06 |
| 8340A | Information Only | 8340A-M61A | Y2K update information. RMB support software update information. | 1998-12 |
| 8340A | Information Only | 8340A-M62A | Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. | 1998-12 |
| 8340A | Information Only | 8340A-M63A | The Pascal operating environment has a defect related to the year 2000. | 1998-12 |
| 8340B | Modification Available | 8340B-05 | Rear Panel to Front Panel Retrofit Instructions | 1993.01.06 |
| 8340B | Information Only | 8340B-M61A | Y2K update information. RMB support software update information. | 1998-12 |
| 8340B | Information Only | 8340B-M62A | Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. | 1998-12 |
| 8340B | Information Only | 8340B-M63A | The Pascal operating environment has a defect related to the year 2000. | 1998-12 |
| 8405A | Modification Available | 8405A-8A | Serial Prefix 2014A and Below - “APC UNLOCKED” Indicator Light Replacement | 1981-07 |
| 8444A | Modification Available | 8444A-4 | HP MODEL8444A OPTION 059 TRACKING GENERATOR Serial Prefix 2103A and Below Except for the Following Serial Numbers 03900,03932,03985,03986,03987, 03991,03992,03995,03996,03997, 04002,04006,04007,04008,04009,04010 - DEGRADED FREQUENCY RESPONSE PERFORMANCE FOR SWEEP TIMES LESS THAN 5 MSEC/DIV | 1982-03 |
| 8477A | Modification Recommended | 8477A-01A | 8477A not able to power up under 115V | 2014.03.18 |
| 8481A | Modification Recommended | 8481A-10 | In the Measurement report of 8481A, the Reference Calibration factor at 50MHz stated is inconsistent with the 50MHz Calibration Factor listed in the table. | 2016.10.26 |
| 8481D | Modification Recommended | 8481D-02 | Cal factor and reflection magnitude uncertainty values on factory calibration report are incoreect. | 2001.10.29 |
| 8494A | Modification Recommended | 8494A-01A | Step Attenuator knob modification | 2001.07.16 |
| 8494A | Modification Recommended | 8494A-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8494B | Modification Recommended | 8494B-01A | Step Attenuator knob modification | 2001.07.16 |
| 8494B | Modification Recommended | 8494B-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.19 |
| 8495A | Modification Recommended | 8495A-01A | Step Attenuator knob modification | 2001.07.16 |
| 8495A | Modification Recommended | 8495A-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8495B | Modification Recommended | 8495B-01A | Step Attenuator knob modification | 2001.07.16 |
| 8495B | Modification Recommended | 8495B-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8495D | Modification Recommended | 8495D-01A | Step Attenuator knob modification | 2001.07.16 |
| 8495D | Modification Recommended | 8495D-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8496A | Modification Recommended | 8496A-01A | Step Attenuator knob modification | 2001.07.16 |
| 8496A | Modification Recommended | 8496A-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8496B | Modification Recommended | 8496B-01A | Step Attenuator knob modification | 2001.07.16 |
| 8496B | Modification Recommended | 8496B-02 | The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. | 2020.11.18 |
| 8501A | Information Only | 8501A-4 | ADJUSTMENT PROCEDURE FOR COMPATABILITY WITH THE MODEL 8754A NETWORK ANALYZER | 1980-10 |
| 8510B | Safety | 8510B-06A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8510C | Modification Recommended | 8510C-01 | Floppy disk drive formating information. | 1999.10.31 |
| 8510C | Modification Recommended | 8510C-02A | 8510C firmware change from C.07.14 to C.07.16 | 2000.11.30 |
| 8510C | Safety | 8510C-03A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8510C | Modification Recommended | 8510C-04 | Unreadable softkey labels and syntax errors when using Electronic Calibration Modules (Ecal). | 2002.09.22 |
| 8511A | Modification Recommended | 8511A-06 | Performance Software | 1999.10.31 |
| 8511A | Safety | 8511A-07A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8511B | Modification Recommended | 8511B-01 | Performance Software | 1999.10.31 |
| 8511B | Safety | 8511B-02A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8514B | Modification Recommended | 8514B-01 | D.C. Return Upgrade Kit | 1995.09.30 |
| 8514B | Safety | 8514B-05A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8515A | Modification Recommended | 8515A-04 | D.C. Return Upgrade Kit | 1995.09.30 |
| 8515A | Safety | 8515A-06A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8517A | Safety | 8517A-03A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8517B | Modification Recommended | 8517B-01 | D.C. Return Upgrade Kit | 1995.09.30 |
| 8517B | Modification Recommended | 8517B-02 | Test Set Option 002 deletion | 1996.12.31 |
| 8517B | Safety | 8517B-03A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 8530A | Modification Recommended | 8530A-01 | Overspeed error when 85370A is used, or no display on 85370A | 1998.07.31 |
| 8555A | Modification Recommended | 8555A-1 | HP MODEL 8555A SPECTRUM ANALYZER, RF SECTION, Serials Prefixed 1232A and Below PRESELECTOR DPM MODIFICATION | unknown |
| 8558B | Modification Recommended | 8558B-1 | BANDWIDTH FILTER BOARD REP4ACEMENT | 1974-01 |
| 8558B | Modification Recommended | 8558B-2 | Serials Prefixed 1321 A and Below – IMPROVED FREQUENCY TUNING POT | 1974-01 |
| 8558B | Modification Recommended | 8558B-3 | Serials Prefixed 1334A and Below – PREVENTION OF SINGLE SWEEP TRIGGERING BY ERASE FUNCTION TRANSIENTS | 1974-02 |
| 8558B | Modification Recommended | 8558B-4 | Serials Prefixed 1334A and Below – NEW FRONT PANEL LATCH HOUSING | 1974-02 |
| 8560E | Priority Safety | 8560E-18-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8560EC | Modification Recommended | 8560EC-02 | Possible 60 Hz related sidebands | 2001.07.16 |
| 8560EC | Modification Recommended | 8560EC-04 | A butch on the A5 IF board to possible remove error messages 561, 562, and 565 | 2002.02.07 |
| 8560EC | Modification Recommended | 8560EC-05 | Replace A2 board to remove spikes on falling edges of a square pulse | 2002.02.07 |
| 8560EC | Modification Recommended | 8560EC-08 | Unstable Noise Floor and/or 500 series Error Messages | 2006.03.26 |
| 8560EC | Modification Recommended | 8560EC-12-RECALL | Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. | 2012.03.13 |
| 8561B | Modification Recommended | 8561B-16 | Modification prevents possible damage to video out buffer on A2 interface | 1993.02.28 |
| 8561E | Priority Safety | 8561E-14-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8561EC | Modification Recommended | 8561EC-09-RECALL | Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. | 2012.03.13 |
| 8562E | Priority Safety | 8562E-06-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8562EC | Modification Recommended | 8562EC-03 | Possible 60 Hz related sidebands | 2001.07.16 |
| 8562EC | Modification Recommended | 8562EC-04 | A butch on the A5 IF board to possible remove error messages 561, 562, and 565 | 2002.02.07 |
| 8562EC | Modification Recommended | 8562EC-05 | Replace A2 board to remove spikes on falling edges of a square pulse | 2002.02.07 |
| 8562EC | Modification Recommended | 8562EC-08 | Unstable Noise Floor and/or 500 series Error Messages | 2006.03.26 |
| 8563E | Modification Recommended | 8563E-26-RECALL | Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. | 2012.03.13 |
| 8563E | Information Only | 8563E-25 | New A15 RF Board Replacement Part Numbers | 2004.12.20 |
| 8563E | Modification Recommended | 8563E-24A | Possible Failure of A6A1 High Voltage Module | 1999-03 |
| 8563E | Information Only | 8563E-23 | A1A2 RPG Assembly and A1 Keyboard Part Number Change | 1999-01 |
| 8563E | Modification Recommended | 8563E-22 | A15 Assembly Shield Can Load Down Supply | 1999-05 |
| 8563E | Modification Available | 8563E-21 | 12.4 GHz Signal on 310.7 MHz IF Output | 1999.02.17 |
| 8563E | Modification Recommended | 8563E-19C | Year 2K Update Information | 1999.01.20 |
| 8563E | Priority Safety | 8563E-18-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8563E | Modification Recommended | 8563E-17 | Reducing 300 kHz Sidebands | 1997-12 |
| 8563E | Modification Recommended | 8563E-16 | Intermittent Error 337 (Frac-N Unlock) Under Certain Conditions | 1997-07 |
| 8563E | Modification Recommended | 8563E-15 | Intermittent Error 335 Sampler Unlock | 1997-03 |
| 8563E | Modification Recommended | 8563E-14 | A17 CRT Driver Reliability Improvement | 1996-10 |
| 8563E | Modification Recommended | 8563E-13 | Intermittent flashing display intensity | 1996-01 |
| 8563E | Information Only | 8563E-12 | VCO adjustment for later “1X6” A15 RF assemblies | 1996-01 |
| 8563E | Modification Recommended | 8563E-10C | Possible Frequency Response Drift | 2000-06 |
| 8563E | Modification Recommended | 8563E-10D | Possible Frequency Response Drift | 2003.11.11 |
| 8563E | Modification Recommended | 8563E-09 | High displayed average noise level in wide bandwidths | 1994-05 |
| 8563E | Modification Recommended | 8563E-08 | 5-Volt Regulator Reliability Improvement on A6 | 1993.11.24 |
| 8563E | Modification Available | 8563E-07A | Modification to improve focus reliability | 1996-08 |
| 8563E | Modification Available | 8563E-06 | I.F. errors falsely displayed at cold temperatures before OCXO is warmed up | 1993.09.08 |
| 8563E | Modification Available | 8563E-04L | Firmware Upgrade Kit and Information | 1999-11 |
| 8563E | Modification Recommended | 8563E-02C | Defective 5-volt regulators on A6 power supply and A14 frequency control assemblies | 1994.01.10 |
| 8563E | Modification Recommended | 8563E-01A | Modification for Intermittent sampler unlock errors | 1993.02.05 |
| 8563E | Information Only | 8563E-M62A | Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. | 1998-12 |
| 8563E | Information Only | 8563E-M63A | The Pascal operating environment has a defect related to the year 2000. | 1998-12 |
| 8563E | Modification Recommended | 8563E-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector. | 1999-02 |
| 8563EC | Modification Recommended | 8563EC-02 | Possible Frequency Response Drift | 2000-06 |
| 8563EC | Modification Recommended | 8563EC-02B | Possible Frequency Response Drift | 2003.11.11 |
| 8563EC | Modification Recommended | 8563EC-03 | Possible 60 Hz related sidebands | 2001.07.16 |
| 8563EC | Modification Recommended | 8563EC-04 | A butch on the A5 IF board to possible remove error messages 561, 562, and 565 | 2002.02.07 |
| 8563EC | Modification Recommended | 8563EC-05 | Replace A2 board to remove spikes on falling edges of a square pulse | 2002.02.07 |
| 8563EC | Modification Recommended | 8563EC-06 | Perform butch on A3 interface board to remove gated video problems | 2002.03.13 |
| 8563EC | Information Only | 8563EC-07 | New A15 RF Board Replacement Part Numbers | 2004.12.20 |
| 8563EC | Modification Recommended | 8563EC-08 | Unstable Noise Floor and/or 500 series Error Messages | 2006.03.26 |
| 8563EC | Modification Recommended | 8563EC-11-RECALL | Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. | 2012.03.15 |
| 8563ER | Modification Recommended | 8563ER-19C | Year 2K Update Information | 1999.01.20 |
| 8563ER | Information Only | 8563ER-M61A | Y2K update information. RMB support software update information. | 1998-12 |
| 8563ER | Information Only | 8563ER-M62A | Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. | 1998-12 |
| 8563ER | Information Only | 8563ER-M63A | The Pascal operating environment has a defect related to the year 2000. | 1998-12 |
| 8564E | Priority Safety | 8564E-12-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8564EC | Modification Recommended | 8564EC-03 | Possible 60 Hz related sidebands | 2001.07.16 |
| 8564EC | Modification Recommended | 8564EC-04 | A butch on the A5 IF board to possible remove error messages 561, 562, and 565 | 2002.02.07 |
| 8564EC | Modification Recommended | 8564EC-05 | Replace A2 board to remove spikes on falling edges of a square pulse | 2002.02.07 |
| 8564EC | Modification Recommended | 8564EC-08 | Unstable Noise Floor and/or 500 series Error Messages | 2006.03.26 |
| 8565A | Modification Recommended | 8565A-7 | Serials Prefixed 2027 A and Below – THIRD CONVERTER ASSEMBL V REPLACEMENT KIT | 1981-06 |
| 8565A | Modification Recommended | 8565A-10 | IMPROVED FREQUENCY RESPONSE PERFORMANCE TEST | 1981-04 |
| 8565A | Modification Recommended | 8565A-11 | FUSED 30V POWER SUPPLY | 1981-06 |
| 8565E | Priority Safety | 8565E-12-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8565EC | Modification Recommended | 8565EC-02B | Possible Frequency Response Drift | 2003.11.11 |
| 8565EC | Modification Recommended | 8565EC-03 | Possible 60 Hz related sidebands | 2001.07.16 |
| 8565EC | Modification Recommended | 8565EC-04 | A butch on the A5 IF board to possible remove error messages 561, 562, and 565 | 2002.02.07 |
| 8565EC | Modification Recommended | 8565EC-05 | Replace A2 board to remove spikes on falling edges of a square pulse | 2002.02.07 |
| 8565EC | Modification Recommended | 8565EC-06 | Perform butch on A3 interface board to remove gated video problems | 2002.03.13 |
| 8565EC | Information Only | 8565EC-07 | New A15 RF Board Replacement Part Numbers | 2004.12.20 |
| 8565EC | Modification Recommended | 8565EC-08 | Unstable Noise Floor and/or 500 series Error Messages | 2006.03.26 |
| 8565EC | Modification Recommended | 8565EC-11-RECALL | Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. | 2012.03.13 |
| 8566A | Modification Recommended | 8566A-7 | IF Section Serial Prefix 1928A and Below – MODIFICATION TO IMPROVE MAGNETIC SUSCEPTIBILITY OF DISPLAY | 1980-02 |
| 8566A | Modification Recommended | 8566A-15 | FIELD INSTALLATlON OF OPTION 650 | 1981-05 |
| 8566A | Modification Recommended | 8566A-16 | RF ATTENUATOR WITH CALIBRATION ROM REPLACEMENT | 1981-05 |
| 8566A | Information Only | 8566A-1981 | 8566A and 8568A FAN FILTERS | 1981-04 |
| 8566B | Information Only | 8566B-01 | Rack Mounting with Slides (Option 010); English System II Cabinet Parts | 1985-05 |
| 8566B | Information Only | 8566B-02 | Rack Mounting with Slides (Option 010); Metric System II Cabinet Parts | 1985-05 |
| 8566B | Information Only | 8566B-05 | Repair and replacement of A5A2 Rotary Pulse Generator | 1992.12.09 |
| 8566B | Information Only | 8566B-10B | Option 462 6 dB resolution bandwidths | 1993.12.21 |
| 8566B | Modification Available | 8566B-11B | A15 Controller Assembly Firmware Replacement Kit | 1989.11.13 |
| 8566B | Information Only | 8566B-12A | Installation Procedure for Rebuilt A15 Controller Assembly | 1987-08 |
| 8566B | Modification Recommended | 8566B-19 | Replacement RF Attenuator Retrofit Kit with Calibration PROM | 1987-11 |
| 8566B | Modification Available | 8566B-19A | RF Attenuator with Calibration ROM Replacement | 1993.03.02 |
| 8566B | Modification Recommended | 8566B-20 | Misloaded Capacitor Exposed to 130% of Its Rating | 1990.05.25 |
| 8566B | Modification Recommended | 8566B-33 | Oven Oscillator Thermal Fuse Failure | 1990.04.10 |
| 8566B | Information Only | 8566B-37 | New A4A1 Video Processor | 1991.12.04 |
| 8566B | Modification Recommended | 8566B-39 | Intermittent PC Edge Connectors on A4A4 Bandwidth Filter Assembly | 1993.02.20 |
| 8566B | Information Only | 8566B-40 | Spurious Responses in Low Band | 1997-07 |
| 8566B | Information Only | 8566B-41 | Recommended replacement for A10A6U2 OP AMP | 1994-10 |
| 8566B | Information Only | 8566B-42 | RF Section Fan Motor Replacement | 1996-01 |
| 8567A | Modification Recommended | 8567A-04 | Misloaded Capacitor Exposed to 130% of Its Rating | 1990.05.25 |
| 8567A | Modification Recommended | 8567A-11A | Frequency Spur Correction | 1989.12.21 |
| 8568A | Information Only | 8568A-1-82 | KEYBOARD SWITCH FAILURES (FLYING SPRING SYNDROME) | 1982-02 |
| 8568A | Modification Recommended | 8568A-20 | IF Section Serial Prefix 1928A and Below – MODIFICATION TO IMPROVE MAGNETIC SUSCEPTIBILITY OF DISPLAY | 1980-02 |
| 8568A | Information Only | 8568A-25 | USING THE 8444A TRACKING GENERATOR – WITH THE 8568A SPECTRUM ANALYZER | 1980-03 |
| 8568A | Modification Recommended | 8568A-28 | IF Section Serial Prefix 2005A and Below; RF Section Serial Prefix 1921A and Below – 3 MHz RESOLUTION BANDWIDTH | 1980-03 |
| 8568A | Modification Recommended | 8568A-37 | All Serial Prefixes – RF ATTENUATOR WITH CALIBRATION ROM REPLACEMENT | 1980-08 |
| 8568A | Modification Recommended | 8568A-46A | Frequency Spur Correction | 1989.12.21 |
| 8568A | Information Only | 8568A-1981 | 8566A and 8568A FAN FILTERS | 1981-04 |
| 8568B | Information Only | 8568B-01 | Rack Mounting with Slides (Option 010); English System II Cabinet Parts | 1985-05 |
| 8568B | Information Only | 8568B-02 | Rack Mounting with Slides (Option 010); Metric System II Cabinet Parts | 1985-05 |
| 8568B | Modification Recommended | 8568B-04A | Frequency Spur Correction | 1989.12.21 |
| 8568B | Information Only | 8568B-10B | Option 462 6dB Resolution Bandwidths | 1993.12.21 |
| 8568B | Modification Available | 8568B-11B | A15 Controller Assembly Firmware Replacement Kit | 1989.11.13 |
| 8568B | Information Only | 8568B-12A | Installation Procedure for Rebuilt A15 Controller Assembly | 1987-08 |
| 8568B | Modification Recommended | 8568B-14 | Misloaded Capacitor Exposed to 130% of Its Rating | 1990.05.25 |
| 8568B | Modification Available | 8568B-21 | LO Amplifier Replacement Kit | 1989.12.06 |
| 8568B | Information Only | 8568B-25 | New Cooling Fans for the 8568B Spectrum Analyzer | 1991.09.26 |
| 8568B | Modification Recommended | 8568B-27 | Oven Oscillator Thermal Fuse Failure | 1990.04.10 |
| 8568B | Modification Recommended | 8568B-28 | Surface-Acoustic-Wave Resonator Failures | 1990.04.12 |
| 8568B | Information Only | 8568B-31 | New A4A1 Video Processor | 1990.12.04 |
| 8568B | Information Only | 8568B-35 | RF Section Fan Motor Replacement | 1996-01 |
| 8568B | Information Only | 8568B-41 | Recommended replacement for A10A6U2 OP AMP | 1994-04 |
| 8590L | Priority Safety | 8590L-09-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8591E | Priority Safety | 8591E-14-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8592L | Priority Safety | 8592L-07-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8593E | Priority Safety | 8593E-15-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8594E | Priority Safety | 8594E-14-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8595E | Priority Safety | 8595E-14-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8596E | Priority Safety | 8596E-14-S | Possible Shoulder Strap Failure Under Load | 1998.07.31 |
| 8620A | Modification Required | 8620A-6B | Modification Required for Compatibility with 86290A, 2.0-18.0 Ghz RF Plug-In or 8410B Network Analyzer | 1975-04 |
| 8620B | Modification Required | 8620B-3 | Modification Required for 86290A 2.0-18.0 GHz Plug-In Compatibility | 1974-09 |
| 8642M | Modification Recommended | 8642M-03A | Procedure to Resolve A11 and A12 Module Failures | 1992.07.10 |
| 8648A | Modification Recommended | 8648A-01A | Firmware defect repair for 8648A opt 1EP | 2009.05.04 |
| 8648A | Modification Recommended | 8648A-02B | Procedure to replace defective 864X display module | 2009.10.21 |
| 8648B | Modification Recommended | 8648B-02B | Procedure to replace defective 864X display module | 2009.10.21 |
| 8648C | Modification Recommended | 8648C-02B | Procedure to replace defective 864X display module | 2009.10.21 |
| 8648D | Modification Recommended | 8648D-02B | Procedure to replace defective 864X display module | 2009.10.21 |
| 8654A | Modification Recommended | P-08654-60047 | Serial Prefix 1530A and Below MICROPHONICS REDUCTION KIT | 1975-12 |
| 8654B | Information Only | 8654B-1 | IMPROVED PERFORMANCE TESTS AND ADJUSTMENTS USING THE 8901A | 1980-12 |
| 8656A | Modification Recommended | 8656A-10A | Serials Prefixed 2124A and Below – MODIFICATION to CORRECT for SPURIOUS SIDEBANDS 60·110 MHz VCO | 1981-09 |
| 8662A | Modification Recommended | 8662A-12E | Modification Kit to correct Error 03/04 conditions. | 1992.04.07 |
| 8662A | Modification Recommended | 8662A-17A | Synthesised Signal Generator VCO (08662-60485) failures | 1998-08 |
| 8662A | Modification Recommended | 8662A-18 | Procedure to resolve A7A4 (08662-60376) C2 and C3 leakage | 1999-03 |
| 8662A | Modification Recommended | 8662A-19 | Procedure to resolve 2-4 MHz spurs out from 640-1280 MHz carrier | 1999-07 |
| 8662A | Modification Recommended | 8662A-20 | Procedure to resolve 230V misprinted fuse rating on fuse plate. | 2000-03 |
| 8662A | Modification Recommended | 8662A-21 | Procedure to resolve A7A3C10 polarity misprinted. | 2000-09 |
| 8663A | Modification Recommended | 8663A-06E | Modification Kit to correct Error 03/04 conditions. | 1992.04.03 |
| 8663A | Modification Recommended | 8663A-11A | Synthesised Signal Generator VCO (08662-60485) failures | 1998-08 |
| 8663A | Modification Recommended | 8663A-13 | Procedure to resolve 2-4 MHz spurs out from 640-1280 MHz carrier | 1999-07 |
| 8663A | Modification Recommended | 8663A-14 | Procedure to resolve 230V misprinted fuse rating on fuse plate. | 2000-03 |
| 8663A | Modification Recommended | 8663A-15 | Procedure to resolve A7A3C10 polarity misprinted. | 2000-09 |
| 8690A | Modification Recommended | 8690A-1 | RECOMMENDED REPLACEMENT FOR A3V5 | 1967-03 |
| 8690A | Modification Recommended | 8690A-2A | RECIPROCAL AMPLIFIER IMPROVEMENTS | 1969-03 |
| 8690A | Modification Recommended | 8690A-3 | RECOMMENDED REPLACEMENT TRANSISTOR | 1967-09 |
| 8690A | Modification Recommended | 8690A-4 | REPLACEMENT PUSHBUTTONS | 1967-09 |
| 8690A | Modification Recommended | 8690A-5 | FAN NOISE REDUCTION | 1967-09 |
| 8690A | Modification Recommended | 8690A-6 | MODIFICATION FOR USE WITH HP MODEL 8706A AND 8707A | 1967-11 |
| 8690A | Modification Recommended | 8690A-7 | A modification of the circuit wiring of 8690A Sweep Oscillators, serials below 641-00261, is required for compatibility of these instruments with RF Units with Serial Prefix 724- and above. | 1967-11 |
| 8690A | Modification Recommended | 8690A-8 | IMPROVED PEN LIFT RELAY KIT | 1968-05 |
| 8690A | Modification Recommended | 8690A-9 | Improved Power Supply Reliability & Improved Square Wave Symmetry. | 1968-06 |
| 8690A | Modification Recommended | 8690A-10 | Serials 803-02061 to 818-02430 - MISSING CONNECTION ON A3 RECIPROCAL AMPLIFIER BOARD | 1968-03 |
| 8690A | Modification Recommended | 8690A-11 | RECOMMENDED REPLACEMENT FOR 8690A: A3V4, A4V1, A4V2, A4V4 8690B: A4V1, A4V2, A4V4 | 1969-03 |
| 8690A | Modification Recommended | 8690A-12 | REPLACEMENT OF CAPACITORS CONTAINING PCB | 1973-02 |
| 8690A | Modification Recommended | 8690A-12A | REPLACEMENT OF CAPACITORS CONTAINING PCB | 1973-05 |
| 8690A | Modification Recommended | 8690A-13 | RECOMMENDED REPLACEMENT FOR A8C4 AND A8C5 | 1974-03 |
| 8690A | Information Only | 8690A-1967 | Power Meter Leveling the 8690A Sweep Oscillator | 1967-02 |
| 8690A | Modification Recommended | 8690A-670726 | Incompatibility with RF Units, Prefix 724- and above | 1967.07.26 |
| 8690A | Modification Recommended | P-08690-6029 | HELIX AMPLIFIER MODIFICATION KIT | 1971-11 |
| 8690A | Modification Recommended | P-08690-6029-67 | HELIX AMPLIFIER MODIFICATION KIT | 1967-10 |
| 8690A | Modification Recommended | P-08690-6043 | Serials Below 803-2061 Improved +27 5 V /-300 V Power Supplies | 1968-04 |
| 8690A/B | Modification Recommended | 8690A-1968 | Power Meter Leveling HP Model 8690A/B Sweep Oscillators | 1968.12.31 |
| 8690A/B | Modification Recommended | P-08690-60053 | HIGH VOLTAGE POWER SUPPLY BOARD ASSEMBLY - IMPROVED TIME DELAY CIRCUIT | 1971-12 |
| 8690A/B | Modification Recommended | P-9100-2882 | IMPROVE RESIDUAL FM WITH NEW REPLACEMENT POWER TRANSFORMER | 1970-01 |
| 8690B | Modification Recommended | 8690B-1 | Serials 803-02061 to 818-02430 - MISSING CONNECTION ON A3 RECIPROCAL AMPLIFIER BOARD | 1968-03 |
| 8690B | Safety | 8690B-1-70 | POSSIBLE SAFETY HAZARD. | 1970-08 |
| 8690B | Modification Recommended | 8690B-2 | RECOMMENDED REPLACEMENT FOR 8690A: A3V4, A4V1, A4V2, A4V4 8690B: A4V1, A4V2, A4V4 | 1969-03 |
| 8690B | Modification Recommended | 8690B-3 | TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES | 1969-12 |
| 8690B | Modification Recommended | 8690B-4 | RECOMMENDED REPLACEMENTS for TRANSISTOR A1403 AND RESISTOR A3R63 | 1970-01 |
| 8690B | Modification Recommended | 8690B-5 | MODIFICATION TO IMPROVE LINE SYNC TRIGGERING | 1971-03 |
| 8690B | Modification Recommended | 8690B-6 | MODIFICATIONS TO IMPROVE RELIABILITY | 1972-01 |
| 8690B | Modification Recommended | 8690B-7 | REPLACEMENT OF CAPACITORS CONTAINING PCB | 1973-02 |
| 8690B | Modification Recommended | 8690B-8 | RECOMMENDED REPLACEMENT FOR A8R14 | 1974-03 |
| 8690B | Modification Recommended | 8690B-9 | RECOMMENDED REPLACEMENT FOR A8C4 and A8C5 | 1974-03 |
| 8690B | Modification Recommended | 8690B-U-3 | TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES | 1970-02 |
| 8698B | Modification Recommended | 8698B-1 | TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES | 1969-12 |
| 8699B | Modification Recommended | 8699B-1 | TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES | 1969-12 |
| 8751A | Modification Recommended | 8751A-17 | Modification to fix unexptected spurious problem. | 1995.04.15 |
| 8751A | Modification Recommended | 8751A-18 | Firmware Upgrade Improves Performance and Corrects Known Problems Described in Table 1 | 1992.01.30 |
| 8753ES | Modification Recommended | 8753ES-03B | Old A10 (8753-60095) board causes points to be dropped from trace, if U28 was manufactured by Fairchild. | 2008.06.02 |
| 8753ET | Modification Recommended | 8753ET-01A | Old A10 (08753-60095) board causes points to be dropped from trace, | 2001.10.31 |
| 8757D | Modification Recommended | 8757D-01 | The 8757D logger boards (A7-A10; P/N 08757-60146) have a reference diode that has excessive temperature drift. This drift may cause the dynamic accuracy test (as measured by the 11613A/B) to fail. | 2008.08.17 |
| 8902A | Modification Available | 8902A-VAR | Service Notes Collection for the 8902A Measuring Receiver | 1986-10 |
| 8904A | Modification Recommended | 8904A-04 | Replacement of Audio Transformer to Correct Inverted Waveform | 1992.01.01 |
| 8904A | Information Only | 8904A-05 | 8904A Multifunction Synthesizer Procedure For Restoring RAM Data | 1993.09.24 |
| 8921A | Modification Recommended | 8921A-01 | H/W and F/W upgrade required for 83201A compatibility | 1993.06.09 |
| 8921A | Modification Recommended | 8921A-02 | Rec mod corrects tone/digital signaling functionality | 1993.12.31 |
| 8921A | Modification Recommended | 8921A-03 | New F/W A.10.07 corrects erroneous self text diagnostic results | 1993.11.23 |
| 8921A | Modification Recommended | 8921A-05 | Cooling fan's shield can become loose or fall off | 1996.09.12 |
| 8922M | Safety | 8922M-09-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8922P | Safety | 8922P-06-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8922R | Safety | 8922R-03-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8922S | Safety | 8922S-04-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8922X | Safety | 8922X-06-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8922Y | Safety | 8922Y-03-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 8970B | Information Only | 8970B-06 | New A14 Microprocessor Assembly | 1992.08.18 |
| 8970B | Information Only | 8970B-07 | Spurious Response and Jitter Specification Changed | 1992.08.27 |
| 8970B | Information Only | 8970B-10 | New more robust A6 Input Assembly for Option 020 | 1998-08 |
| 8970B | Information Only | 8970B-11 | Change to Input Power Detector Gain and Offset Adjustment Procedure | 1999-01 |
| 8970B | Information Only | 8970B-12 | Main Differences between Standard 8970B and 8970B Option 020 | 1999-01 |
| 8970B | Information Only | 8970B-13 | Agilent 8970B Noise Figure Meter | 2004.05.21 |
| 8990B | Modification Available | 8990B-01 | Window XP upgrade to Window 7 | 2014.05.15 |
| 8990B | Modification Recommended | 8990B-02 | Unresponsive knobs on 8990B front panel. | 2015.10.20 |
| 8990B | Modification Recommended | 8990B-03 | Peak Power Analyzer shuts off for no apparent reason | 2017.09.20 |
| 10762B | Modification Recommended | 10762B-01 | Switches S1, S2 and S3 may be subject to early failure | 1993.12.31 |
| 10887B | Modification Recommended | 10887B-01 | New IC sockets prevent FPGAs from falling out | 1994.10.10 |
| 10887P | Modification Recommended | 10887P-01 | New IC sockets prevent FPGAs from falling out | 1994.10.10 |
| 10889B | Modification Recommended | 10889B-01 | Resoldering address switch S2 corrects intermittents | 1995.07.27 |
| 11713A | Modification Recommended | 11713A-02 | Modification reduces noise susceptibility | 1993.12.31 |
| 11713B | Modification Recommended | 11713B-08 | 11713B Attenuation/Switch Driver could have built with PSU cover (PN 11713-00033) with wrong insulator placement. | 2021.01.24 |
| 11713C | Modification Recommended | 11713C-08 | 11713C Attenuation/Switch Driver could have built with PSU cover (PN 11713-00033) with wrong insulator placement. | 2021.01.24 |
| 11729C | Modification Recommended | 11729C-04 | Isolator (AT2) Replacement | 1993.08.27 |
| 16008B | Modification Recommended | 16008B-02 | Rec repl of main electrode if cond elastomer sheet is loose | 1994.07.06 |
| 16089B | Information Only | 16089B-01 | This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16089B Medium Kelvin Clip Lead | 2012.11.19 |
| 16092A | Modification Available | 16092A-01 | New metal clips improve contact repeatability | 1993.12.12 |
| 16092A | Modification Recommended | 16092A-03 | The conductivity of the defective holder (16092-40616) causes the Q measurement abnormally | 2013.05.28 |
| 16197A | Modification Recommended | 16197A-01 | Dimensional distortion of the contact assembly interferes with operations. | 2004.06.29 |
| 16198A | Modification Available | 16198A-01 | The screws which fix the DUT cover and PC board strip out | 2019.01.08 |
| 16339A | Modification Recommended | 16339A-01 | Modification to correct a misassembled arm plate in SMD module | 1992.07.31 |
| 16339A | Modification Recommended | 16339A-02 | New miniature banana-plug cable wire eliminates breakage | 1993.05.31 |
| 16380C | Modification Recommended | 16380C-01 | Mod prevents potential damage to the carrying case | 1993.03.31 |
| 16441A | Modification Recommended | 16441A-01 | Mod corrects abnorm measumnts using R-Box & Kelvin-Triax cbls | 1994.08.04 |
| 16452A | Information Only | 16452A-02 | 16452A Connector Part Number change | 2023.04.05 |
| 16555A | Modification Recommended | 16555A-02 | Mod corrects Master/Expander operation | 1995.10.31 |
| 16903A | Modification Recommended | 16903A-01 | Upgrades of CPU motherboard, Main Interface Board,(MIB), and PCI board to improve system reliability. | 2004.11.02 |
| 18281A | Modification Recommended | 18281A-02 | Mod to remove PS3 to prevent network crashes | 1993.12.12 |
| 18282A | Modification Recommended | 18282A-01 | Exchange board fixes misloaded capacitors | 1992.02.29 |
| 18283A | Modification Recommended | 18283A-01 | Exchange board fixes misloaded capacitors | 1992.02.29 |
| 18284A | Modification Recommended | 18284A-01 | Exchange board fixes misloaded capacitors | 1992.02.29 |
| 33220A | Modification Recommended | 33220A-01 | Updating Firmware may result in Corrupt Memory | 2006.08.23 |
| 33220A | Modification Recommended | 33220A-02C | Encoder May Be Subject to Early Failure | 2012.03.13 |
| 33220A | Modification Recommended | 33220A-03 | Flatness Calibration Error | 2009.08.06 |
| 33220A | Modification Recommended | 33220A-03 | Flatness Calibration Error | 2009.08.24 |
| 33250A | Modification Recommended | 33250A-01 | Amplitude Flatness May Exceed One-Year Limits in First Year. | 2004.07.05 |
| 33250A | Modification Recommended | 33250A-02 | Flatness Calibration Error | 2009.08.06 |
| 33250A | Modification Recommended | 33250A-03B | Internal Clock Reference Calibration Error | 2010.09.21 |
| 33509B | Modification Recommended | 33509B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33509B | Modification Recommended | 33509B-03 | The dot key on front panel intermittently not active. | 2018.08.02 |
| 33509B | Modification Recommended | 33509B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33509B | Information Only | 33509B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33510B | Modification Recommended | 33510B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33510B | Modification Recommended | 33510B-03 | The dot key on front panel intermittently not active. | 2018.08.02 |
| 33510B | Modification Recommended | 33510B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33510B | Information Only | 33510B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33511B | Modification Recommended | 33511B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33511B | Modification Recommended | 33511B-03 | The dot key on front panel intermittently not active. | 2018.08.02 |
| 33511B | Modification Recommended | 33511B-04 | The trigger LED does not blink when burst mode is set to on | 2018.10.02 |
| 33511B | Information Only | 33511B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.27 |
| 33512B | Modification Recommended | 33512B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33512B | Modification Recommended | 33512B-03 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33512B | Modification Recommended | 33512B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33512B | Information Only | 33512B-06 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33512B | Information Only | 33521B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33519B | Modification Recommended | 33519B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33519B | Modification Recommended | 33519B-03 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33519B | Modification Recommended | 33519B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33519B | Information Only | 33519B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33520B | Modification Recommended | 33520B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33520B | Modification Recommended | 33520B-03 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33520B | Modification Recommended | 33520B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33520B | Information Only | 33520B-05 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33521AN | Modification Recommended | 33521AN-01 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33521AN | Modification Recommended | 33521AN-02 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33521AN | Modification Recommended | 33521AN-03 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33521AN | Information Only | 33521AN-04 | LAN connection failure when connected to external switch/hub | 2023.08.15 |
| 33521B | Modification Recommended | 33521B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33521B | Modification Recommended | 33521B-03 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33521B | Modification Recommended | 33521B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33522B | Modification Recommended | 33522B-02 | Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. | 2017.10.11 |
| 33522B | Modification Recommended | 33522B-03 | The dot key on front panel intermittently not active | 2018.08.02 |
| 33522B | Modification Recommended | 33522B-04 | The trigger LED does not blink when burst mode is set to on. | 2018.10.02 |
| 33522B | Information Only | 33522B-06 | LAN connection failure when connected to external switch/hub. | 2023.07.26 |
| 33611A | Modification Recommended | 33611A-03 | Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. | 2017.01.09 |
| 33611A | Modification Recommended | 33611A-05 | Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. | 2023.06.20 |
| 33612A | Modification Recommended | 33612A-03 | Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. | 2017.01.09 |
| 33612A | Modification Recommended | 33612A-06 | Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. | 2023.06.20 |
| 33621A | Modification Recommended | 33621A-03 | Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. | 2017.01.09 |
| 33621A | Modification Recommended | 33621A-05 | Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. | 2023.06.20 |
| 33622A | Modification Recommended | 33622A-03 | Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. | 2017.01.09 |
| 33622A | Modification Recommended | 33622A-06 | Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. | 2023.06.20 |
| 34172B | Modification Recommended | 34172B-01 | Intermittent Ohm measurement failure when using shorting block. | 2018.08.06 |
| 34401A | Modification Recommended | 34401A-02 | Modification resizes input terminals to accept European plugs | 1993.03.31 |
| 34401A | Modification Recommended | 34401A-03 | Mod improves time stability of DC current ranges (10 mA/100 mA) | 1994.03.10 |
| 34401A | Modification Recommended | 34401A-05A | Excessive time drift of ohms function calibration | 1995.01.11 |
| 34401A | Information Only | 34401A-06 | Display assembly replacement requires compatible firmware. | 1996-01 |
| 34401A | Modification Recommended | 34401A-07 | Mod corrects RS-232 communication error | 1996.06.13 |
| 34401A | Modification Recommended | 34401A-08 | Communication on the GPIB stops or an error flag is set under some operating conditions | 1997.08.31 |
| 34401A | Modification Recommended | 34401A-09 | Mod to eliminate infrequent erroneous ""overload"" indication | 2001.01.07 |
| 34401A | Modification Recommended | 34401A-10A | RS232 Communication Error for the HP34401A | 1998.06.30 |
| 34401A | Modification Recommended | 34401A-11 | Failure to meet the 1M & 10M 4-Wire ohm 1yr specs | 1999.02.17 |
| 34401A | Modification Recommended | 34401A-12 | 10 megohm and 100 megohm ranges drift out of specification | 2003.10.08 |
| 34401A | Modification Recommended | 34401A-15B | 10 megohm and 100 megohm ranges drift out of specification | 2011.10.03 |
| 34401A | Modification Recommended | 34401A-16A | The instrument may not show the correct voltage, when measuring a voltage in the range of -67 to -124 volts DC. | 2011.08.08 |
| 34401A | Modification Recommended | 34401A-17B | Temperature drift out of accuracy specification on 3 Amp | 2012.04.02 |
| 34401A | Modification Recommended | 34401A-18 | AC Volts accuracy may drift out of specification before first calibration | 2014.06.01 |
| 34401A | Modification Recommended | 34401A-21 | Customer reported out of box failures of the 90 day 1000V DCV Gain Verification and 100V/1 kHz ACV Gain Verification points. Replacement unit provided to customer also exhibited the same failures. Investigation revealed instability of a test instrument used during factory calibration and verification. | 2017.10.08 |
| 34405A | Modification Available | 34405A-01 | Firmware upgrade to eliminate Error 631 or Error 635 when self-test is performed | 2007.03.01 |
| 34405A | Modification Available | 34405A-02 | Firmware upgrade to resolve turn on failure and performance improvement | 2007.09.10 |
| 34405A | Modification Available | 34405A-05 | Firmware upgrade to resolve intermittent turn on failure | 2012.05.01 |
| 34405A | Modification Recommended | 34405A-06 | Firmware to resolve Error 635 during power cycle | 2013.01.14 |
| 34405A | Modification Recommended | 34405A-07 | No display after power on the unit. | 2014.03.23 |
| 34405A | Information Only | 34405A-08 | 34405A Digital Multimeter will be replaced by 34450A Digital Multimeter | 2016.12.20 |
| 34410A | Modification Recommended | 34410A-01A-RECALL | RECALL-The 34410A has an ‘adjust always’ policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As Completed” measurement report are not valid. | 2010.06.01 |
| 34410A | Modification Recommended | 34410A-02 | Several 34410A DMM units have a zero offset due to a defective shorting block used in the production calibration system. | 2014.07.13 |
| 34411A | Modification Recommended | 3441XA-01A | Procedure to latch display PCA if not properly installed. | 2006.09.12 |
| 34411A | Modification Recommended | 34411A-01A-RECALL | RECALL-The 34411A has an "adjust always" policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As completed” measurement report are not valid. | 2010.06.02 |
| 34411A | Modification Recommended | 34411A-02 | Several 34411A DMM units did not get a good zero calibration in production due to a defective shorting block. | 2014.07.13 |
| 34420A | Modification Recommended | 34420A-01 | Mod corrects RS-232 communication error | 1996.06.13 |
| 34420A | Modification Recommended | 34420A-02A | RS232 Communication error for the 34420A | 1998.10.07 |
| 34420A | Modification Available | 34420A-03 | Infrequent HP-IB Hang-ups | 1999.02.17 |
| 34420A | Modification Recommended | 34420A-04 | Inaccurate temperature readings | 1999.02.17 |
| 34450A | Modification Recommended | 34450A-01A | Mechanical rattling noise due to detached shield plate. | 2014.05.05 |
| 34450A | Modification Available | 34450A-03 | Intermittent freeze occurring on screen resolve by firmware reinstallation. | 2013.07.04 |
| 34450A | Modification Recommended | 34450A-04 | 34450A unit missing calibration traceability | 2013.11.05 |
| 34450A | Safety | 34450A-05-S | 34450A 5 ½ Digit Multimeter with firmware version 00.60-00.66 and below displays incorrect reading when powered with 60Hz AC line under DCV Measurement in Slow measurement mode when measuring signals above 120V DC. | 2015.08.31 |
| 34450A | Modification Recommended | 34450A-06 | 34450A within the serial number range may not meet the10nF range capacitance, 100mV range DC Voltage and 100 MOhm range resistance measurements specification within the first year shipment. | 2015.11.17 |
| 34450A | Modification Recommended | 34450A-07 | 2-wire resistance measurement may be out of specification at 10MOhm range. | 2016.09.21 |
| 34460A | Modification Recommended | 34460A-02 | Various instruments may exhibit an accelerated DCV drift rate which exceeds product specifications. | 2014.09.14 |
| 34460A | Modification Recommended | 34460A-05 | Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. | 2018.04.16 |
| 34460A | Modification Recommended | 34460A-07A | Incorrect label printing on the DMM front panel. | 2021.02.08 |
| 34460A | Modification Recommended | 34460A-08 | Failure due to front panel loose issue | 2022.08.17 |
| 34461A | Modification Recommended | 34461A-02 | Various instruments may exhibit an accelerated DCV drift rate which exceeds product specifications. | 2014.09.14 |
| 34461A | Information Only | 34461A-04A | Specification change in the maximum allowable measured voltage for the Keysight 34460A/34461A/34465A/34470A Digital Multimeter. | 2017.04.28 |
| 34461A | Modification Recommended | 34461A-05 | Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. | 2018.04.16 |
| 34461A | Modification Recommended | 34461A-06 | Units may exhibit an accelerated DCV drift rate which exceeds the 90-days or 1-year product specification within 2 weeks of usage. | 2018.06.05 |
| 34461A | Modification Recommended | 34461A-08A | Incorrect label printing on the DMM front panel . | 2021.02.08 |
| 34461A | Modification Recommended | 34461A-09 | Failure due to front panel loose issue. | 2022.02.01 |
| 34465A | Modification Recommended | 34465A-02 | Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. | 2018.04.17 |
| 34465A | Modification Recommended | 34465A-05A | Incorrect label printing on the DMM front panel. | 2021.02.08 |
| 34465A | Modification Recommended | 34465A-06 | Failure due to front panel loose issue. | 2022.02.01 |
| 34470A | Modification Recommended | 34470A-02 | Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. | 2018.04.16 |
| 34470A | Modification Recommended | 34470A-05A | Incorrect label printing on the DMM front panel. | 2021.02.08 |
| 34470A | Modification Recommended | 34470A-06 | Failure due to front panel loose issue. | 2022.02.01 |
| 34703A | Modification Recommended | 34703A-7 | Serial Numbers: Prior to 1251A01651 – TEMPERATURE SENSITIVE OHMS OPERATION | 1975-04 |
| 34703A | Modification Recommended | 34703A-8 | Serial Numbers: Prior to 1251A01351 – FAILURE OF AUTO MODE TEST 8 | 1975-04 |
| 34703A | Modification Recommended | 34703A-9 | Serial Numbers: 1251AOl700 and below – IMPROPER OHMS OPERATION DUE TO BROKEN Al BOARD | 1975-05 |
| 34901A | Modification Recommended | 34901A-01A | Top cover of modules are out of tolerence causing the modules to not fit properly into the mainframe. | 2002.03.31 |
| 34901A | Modification Recommended | 34901A-02 | Internal reference junction temperature sensor improvement | 2000.11.06 |
| 34901A | Modification Recommended | 34901A-04B | 34901A temperature measurements out of specification | 2006.09.27 |
| 34901A | Modification Recommended | 34901A-05 | The relays used in these modules may have contaminated contacts that cause intermittent high resistance. | 2012.06.04 |
| 34901A | Modification Recommended | 34901A-07 | Hard or too tight to insert the module into 34970A/34972A | 2018.01.17 |
| 34902A | Modification Recommended | 34902A-01A | Modification corrects unwanted simultaneously relay closures | 1998.03.01 |
| 34902A | Modification Recommended | 34902A-02A | Top cover of modules are out of tolerance causing the modules to not fit properly into the mainframe. | 2002.04.10 |
| 34902A | Modification Recommended | 34902A-03 | New Code Eliminates Simultaneous Closure of All Channel Relays | 1999.02.17 |
| 34902A | Modification Recommended | 34902A-04 | Internal reference junction temperature sensor improvement | 2000.11.06 |
| 34902A | Modification Recommended | 34902A-06B | temperature measurements out of specification | 2006.09.27 |
| 34902A | Modification Recommended | 34902A-08 | Hard or too tight to insert the module into 34970A/3497 | 2018.01.17 |
| 34903A | Modification Recommended | 34903A-01A | Top covers of modules are out of tolerance causing the modules to not fit properly into the mainframe. | 2002.04.11 |
| 34903A | Modification Recommended | 34903A-02 | The relays used in these modules may have contaminated contacts that cause intermittent high resistance. | 2012.06.04 |
| 34904A | Modification Recommended | 34904A-01A | Top cover of modules are out of tolerance causing the modules to not fit properly into the mainframe. | 2002.04.17 |
| 34904A | Modification Recommended | 34904A-03 | The relays used in these modules may have contaminated contacts that cause intermittent high resistance. | 2012.06.04 |
| 34905A | Modification Recommended | 34905A-01A | Topcover of modules are out of tolerance causing the modules to not fit properly into the mainframe. | 2002.04.17 |
| 34907A | Modification Recommended | 34907A-01 | 34970A's modules do not fit into mainframes | 1998.11.10 |
| 34908A | Modification Recommended | 34908A-01 | 34970A's modules do not fit into mainframes | 1998.11.10 |
| 34908A | Modification Recommended | 34908A-02 | Internal reference junction temperature sensor improvement | 2000.11.06 |
| 34908A | Modification Recommended | 34908A-04B | temperature measurements out of specification | 2006.09.27 |
| 34908A | Modification Recommended | 34908A-05 | The relays used in these modules may have contaminated contacts that cause intermittent high resistance. | 2012.06.04 |
| 34908A | Modification Recommended | 34908A-07 | Hard or too tight to insert the module into 34970A/34972A | 2018.01.17 |
| 34921A | Modification Recommended | 34921A-01A | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2013.06.06 |
| 34921A | Modification Recommended | 34921A-02 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34921A | Information Only | 34921A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34922A | Modification Recommended | 34922A-01A | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2013.06.06 |
| 34922A | Modification Recommended | 34922A-02 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34922A | Information Only | 34922A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34922T | Modification Recommended | 34922T-01 | Unable to connect to mating connector | 2022.05.01 |
| 34923A | Modification Recommended | 34923A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34923A | Information Only | 34923A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34924A | Modification Recommended | 34924A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34924A | Information Only | 34924A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34924T | Modification Recommended | 34924T-01 | Unable to connect to mating connector | 2022.05.01 |
| 34925A | Modification Recommended | 34925A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34925A | Information Only | 34925A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34931A | Modification Recommended | 34931A-01A | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2013.06.06 |
| 34931A | Modification Recommended | 34931A-02 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34931A | Information Only | 34931A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34932A | Modification Recommended | 34932A-01A | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2013.06.06 |
| 34932A | Modification Recommended | 34932A-02 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34932A | Information Only | 34932A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34933A | Modification Recommended | 34933A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.06 |
| 34933A | Information Only | 34933A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34934A | Information Only | 34934A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34934C | Modification Recommended | 34934C-01 | Unable to connect to mating connector | 2022.05.01 |
| 34934T | Modification Recommended | 34934T-01 | Unable to connect to mating connector | 2022.05.01 |
| 34937A | Modification Recommended | 34937A-01 | Firmware Upgrade to correct defect | 2005.07.10 |
| 34937A | Modification Recommended | 34937A-02B | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2014.06.01 |
| 34937A | Information Only | 34937A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34938A | Modification Recommended | 34938A-01 | Firmware Upgrade to correct defect | 2005.07.10 |
| 34938A | Information Only | 34938A-02 | New Keysight Color | 2020.02.13 |
| 34938A | Information Only | 34938A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34939A | Modification Recommended | 34939A-01A | Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. | 2013.06.06 |
| 34939A | Information Only | 34939A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34939T | Modification Recommended | 34939T-01 | Unable to connect to mating connector | 2022.05.01 |
| 34941A | Information Only | 34941A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34942A | Information Only | 34942A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34945A | Modification Recommended | 34945A-01 | Missing or corrupted FPGA code resulting in error message on | 2005.11.30 |
| 34945A | Information Only | 34945A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34946A | Information Only | 34946A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34947A | Information Only | 34947A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34950A | Information Only | 34950A-02 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34951A | Modification Recommended | 34951A-02 | Relay contact contamination causes variation in performance. | 2013.06.06 |
| 34951A | Information Only | 34951A-04 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34952A | Modification Recommended | 34952A-01 | Configured digital input channels are unable to read values correctly from digital output channels | 2019.08.13 |
| 34952A | Information Only | 34952A-03 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34959A | Information Only | 34959A-01 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| 34959A | Modification Recommended | 34959A-02 | Failure on 34959A Digital I/O Function. | 2022.09.26 |
| 34970A | Modification Recommended | 34970A-01 | Numeric errors associated with the scaling function | 1998.03.01 |
| 34970A | Modification Recommended | 34970A-02B | 34970A Intermittently Fails to Power On | 2001.10.31 |
| 34970A | Modification Recommended | 34970A-03 | 34970A's real-time system clock changes by one hour | 1998.11.10 |
| 34970A | Modification Recommended | 34970A-07 | Incorrect temp measurements during read/write | 2001.02.07 |
| 34970A | Modification Recommended | 34970A-08A | Incorrect wiring in RS232 Cable (shipped with 34970A). | 2002.03.13 |
| 34970A | Safety | 34970A-09B-S | AC power connector can be damaged which creates a shock hazard. | 2013.06.04 |
| 34970A | Modification Recommended | 34970A-10 | 34970A Powered by 50 Hz Line Frequency Incorrectly Measures Resistance | 2003.06.01 |
| 34970A | Modification Recommended | 34970A-11 | Firmware Update: Ohms current source output during other functions | 2003.06.12 |
| 34970A | Modification Recommended | 34970A-13 | 10 MegOhm and 100 MegOhm ranges drift out of specification due to the Ohm's current source reference resistor. This resistor may change in value with time. | 2003.10.05 |
| 34970A | Modification Recommended | 34970A-14C | Intermittent errors in less than 1% of 34970A’s. | 2010.11.19 |
| 34970A | Modification Recommended | 34970A-15 | 10 MΩ and 100 MΩ Ranges Drift Out of Specification | 2011.05.31 |
| 34970A | Modification Recommended | 34970A-18 | AC Volts and AC Current accuracy may drift out of specification before first calibration | 2014.06.22 |
| 34972A | Modification Recommended | 34972A-01 | 10 MΩ and 100 MΩ Ranges Drift Out of Specification | 2011.05.31 |
| 34972A | Modification Recommended | 34972A-02 | AC Volts and AC Current accuracy may drift out of specification before first calibration | 2014.06.22 |
| 34972A | Modification Recommended | 34972A-06B | Device USB communication may experience data or connection loss | 2019.05.07 |
| 34972A | Modification Recommended | 34972A-08 | 1 V/ 100 kHz Frequency Gain Verification test point failed to meet the specification. | 2019.08.28 |
| 34980A | Modification Recommended | 34980A-01 | The GPIB connector may have been installed using an incorrect size threaded standoff nut. | 2005.06.06 |
| 34980A | Modification Recommended | 34980A-03 | Intermittently 34980A units would not recognize the DMM anymore showing DMM revision to be 0.00 | 2009.11.18 |
| 34980A | Modification Recommended | 34980A-05 | Instrument cannot operate in 400 Hz | 2015.07.01 |
| 34980A | Modification Recommended | 34980A-06 | Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. | 2019.03.10 |
| 34980A | Information Only | 34980A-08 | Removal of screwdriver as a standard shipped accessory | 2022.11.02 |
| 35652A | Modification Recommended | 35652A-01 | Mod improves reliability of microdot connector | 1994.02.10 |
| 35652B | Modification Recommended | 35652B-01 | Mod improves reliability of microdot connector | 1994.02.10 |
| 35670A | Modification Recommended | 35670A-01 | Mod fixes sticking power supply switch | 1993.11.11 |
| 35670A | Modification Available | 35670A-03 | Firmware upgrade provides new features and fixes defects | 1994.11.03 |
| 35670A | Modification Recommended | 35670A-07 | Catalog of disk remains displayed after disk is ejected | 1999.04.05 |
| 37212B | Modification Available | 37212B-02C | Recommended firmware upgrade improves performance | 1992.03.31 |
| 37701A | Modification Available | 37701A-02 | Additional features can be retrofitted to older instruments | 1992.03.31 |
| 37701A | Modification Available | 37701A-03 | Pulse Shape measurement capability (Opt. 001) can be retrofitted | 1992.03.31 |
| 37701A | Modification Recommended | 37701A-04 | Mod corrects automatic gain control problem on A6 assembly | 1993.12.31 |
| 37701A | Modification Recommended | 37701A-05 | New improved battery holder makes NVM battery repl easy | 1993.12.31 |
| 37701A | Modification Recommended | 37701A-06 | New firmware fixes fatal error 421 when printing Datacom Graph | 1993.12.31 |
| 37701A | Modification Recommended | 37701A-07 | Incorrect TERM level measurement on A1 Measurement Assembly | 1994.08.04 |
| 37701B | Modification Recommended | 37701B-01 | New F/W corrects error in FULL-T1 mode & Fractional-T1 mode | 1994.08.04 |
| 37702A | Modification Recommended | 37702A-01 | Incorrect TERM level measurement on A1 Measurement Assembly | 1994.08.04 |
| 37702A | Modification Recommended | 37702A-02 | New F/W corrects error in FULL-T1 mode & Fractional-T1 mode | 1994.08.04 |
| 37704A | Modification Recommended | 37704A-02 | Power supply modification improves performance | 1995.05.11 |
| 37711A | Modification Available | 37711A-02 | Additional features can be retrofitted to older instruments | 1992.03.31 |
| 37711A | Modification Available | 37711A-03 | Pulse Shape measurement capability (Opt. 001) will be retrofitted | 1992.03.31 |
| 37711A | Modification Recommended | 37711A-04 | Mod corrects automatic gain control problem on A6 assembly | 1993.12.31 |
| 37711A | Modification Recommended | 37711A-05 | New improved battery holder makes NVM battery repl easy | 1993.12.31 |
| 37711A | Modification Recommended | 37711A-06 | New firmware fixes fatal error 421 when printing Datacom Graph | 1993.12.31 |
| 37711A | Modification Recommended | 37711A-07 | Incorrect TERM level measurement on A1 Measurement Assembly | 1994.08.04 |
| 37718A | Modification Recommended | 37718A-07 | Optical power warning label | 2002.06.25 |
| 37719A | Modification Recommended | 37719A-06 | Optical power warning label | 2002.06.25 |
| 37743A | Modification Recommended | 37743A-01A | Mod corrects incorrectly loaded capacitor on transmitter board | 1993.12.31 |
| 37907A | Modification Recommended | 37907A-01 | Compatability problem with PCI Bridge chip on original DASS card | 2000.01.17 |
| 37907A | Modification Recommended | 37907A-02 | Sometimes the Interface Modules do not reset properly | 2000.01.17 |
| 37907A | Modification Available | 37907A-03 | Voice decoding does not switch properly between A/u-Law on Handset | 2000.01.17 |
| 37907A | Modification Available | 37907A-04 | A Common Mode Oscillation exists on the Handset port | 2000.01.17 |
| 37907A | Modification Available | 37907A-05B | Upgrading 133M Win95 to 300M Win98 | 2001.08.22 |
| 37907A | Modification Available | 37907A-06 | Upgrading 133M Win95 to 300M Win98 | 2001.08.22 |
| 37907A | Modification Available | 37907A-07 | Upgrading SW to Chinese Win98 | 2001.08.22 |
| 37907A | Modification Available | 37907A-09 | Upgrading data acquisition bandwidth | 2001.08.22 |
| 37915A | Modification Available | 37915A-01B | Operational Defects at Level 2 of SS7 Protocol | 1999.02.17 |
| 37916A | Modification Available | 37916A-01A | Operational Defects at Level 2 of SS7 Protocol | 1999.02.17 |
| 37918A | Modification Available | 37918A-01A | Operational Defects at Level 2 of SS7 Protocol | 1999.02.17 |
| 41421B | Modification Recommended | 41421B-01 | 41421B voltage force mode may be noisy | 2000.11.07 |
| 41501A | Modification Recommended | 41501A-01 | New power supply prevents shut-down failures | 1994.10.10 |
| 41501A | Modification Recommended | 41501A-03A | Power Supl Replcmnt to Prevent Shutdown/Reboot Problem | 2000.01.17 |
| 41501B | Modification Recommended | 41501B-01 | Main power switch is stuck | 2000.10.25 |
| 41800A | Modification Recommended | 41800A-03 | Recommended replacement nose assembly for probe pin | 1994.11.03 |
| 42841A | Modification Recommended | 42841A-03 | Mod. to prevent incorrect shut down caused by thermal switch error | 1992.10.31 |
| 42841A | Modification Recommended | 42841A-04B | Mod prevents bias current source fuses from blowing | 1995.01.11 |
| 43521A | Priority Safety | 43521A-01-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| 44470A | Modification Recommended | 44470A-01A | Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. | 2008.04.27 |
| 44471A | Modification Recommended | 44471A-01A | Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. | 2008.04.27 |
| 44473A | Modification Recommended | 44473A-01A | Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. | 2008.04.27 |
| 44474A | Modification Recommended | 44474A-01A | Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. | 2008.04.27 |
| 44704A | Modification Recommended | 44704A-03 | Intermittent Extra Readings | 1997.06.30 |
| 53131A | Modification Recommended | 53131A-01 | Unit powers up in Standby mode. | 1996.07.31 |
| 53131A | Modification Available | 53131A-03 | GPIB hangs when power for instrument is turned on at the same time as PC. | 2003.11.06 |
| 53131A | Modification Recommended | 53131A-07A | When signals are applied to both channel 1 and channel 2, and Auto Trigger is used, the channel making the measurement may receive an incorrect trigger. | 2010.03.03 |
| 53132A | Modification Recommended | 53132A-01 | Unit powers up in Standby mode. | 1996.07.31 |
| 53132A | Modification Available | 53132A-03 | GPIB hangs when power for instrument is turned on at the same time as PC | 2003.11.06 |
| 53132A | Modification Recommended | 53132A-07A | When signals are applied to both channel 1 and channel 2, and Auto Trigger is used, the channel making the measurement may receive an incorrect trigger. | 2010.03.03 |
| 53181A | Modification Recommended | 53181A-01 | Unit powers up in Standby mode. | 1996.07.31 |
| 53181A | Modification Available | 53181A-02 | GPIB hangs when power for instrument is turned on at the same time as PC. | 2003.11.06 |
| 53181A | Information Only | 53181A-03B | Some up-grades options for the 53181A Counter can be added by customers (experienced technicians). Other up-grade options must be installed by technical specialists at Agilent Service Centers. | 2005.11.11 |
| 53220A | Modification Recommended | 53220A-01A | Upgrading Instruments with Firmware Revision 1.05 to 1.08 and Greater | 2011.10.04 |
| 53230A | Modification Recommended | 53230A-01A | Upgrading Instruments with Firmware Revision 1.05 to 1.08 and Greater | 2011.10.04 |
| 53310A | Safety | 53310A-04A-S | Chassis ground wire may detach and contact line voltage. | 2004.03.23 |
| 54501A | Safety | 54501A-06-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54502A | Safety | 54502A-07-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54503A | Safety | 54503A-06-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54504A | Safety | 54504A-03-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54510B | Safety | 54510B-03-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54512B | Safety | 54512B-03-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54520A | Safety | 54520A-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54520C | Safety | 54520C-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54522A | Safety | 54522A-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54522C | Safety | 54522C-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54540A | Safety | 54540A-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54540C | Safety | 54540C-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54542A | Safety | 54542A-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54542C | Safety | 54542C-02-S | Defective line filter assembly may cause shock | 1996.01.31 |
| 54600A | Safety | 54600A-07-S | Possible shock hazard if cabinet handle is removed. | 1992.08.24 |
| 54600A | Modification Available | 54600A-09 | Lubrication leaking from behind control knobs | 1993.03.31 |
| 54601A | Safety | 54601A-07-S | Possible shock hazard if cabinet handle is removed. | 1992.08.24 |
| 54621D | Modification Recommended | 54621D-02 | Can fail threshold accuracy test | 2001.12.03 |
| 54622A | Modification Available | 54622A-01 | Tilt adjustment instructions after hemisphere transshipping | 2001.07.16 |
| 54622D | Modification Available | 54622D-01 | Tilt adjustment instructions after hemisphere transshipping | 2001.07.16 |
| 54622D | Modification Recommended | 54622D-02 | Can fail threshold accuracy test | 2001.12.03 |
| 54622D | Modification Recommended | 54622D-04 | Modification recommended. Supersedes Recall Service Note. | 2002.04.24 |
| 54624A | Modification Available | 54624A-01 | Tilt adjustment instructions after hemisphere transshipping | 2001.07.16 |
| 54641A | Modification Recommended | 54641A-01 | The 54641A product should have the power supply replaced, if the cooling fan becomes non-operational. | 2002.05.08 |
| 54641A | Modification Recommended | 54641A-04 | Correcting environmentally caused trace tilt | 2004.11.21 |
| 54641D | Modification Recommended | 54641D-01 | The 54641D product should have the power supply replaced, if the cooling fan becomes non-operational. | 2002.05.08 |
| 54641D | Modification Recommended | 54641D-04 | Correcting environmentally caused trace tilt | 2004.11.21 |
| 54642A | Modification Recommended | 54642A-01 | The 54642A product should have the power supply replaced, if the cooling fan becomes non-operational. | 2002.05.08 |
| 54642A | Modification Recommended | 54642A-04 | Correcting environmentally caused trace tilt | 2004.11.21 |
| 54642D | Modification Recommended | 54642D-01 | The 54642D product should have the power supply replaced, if the cooling fan becomes non-operational. | 2002.05.08 |
| 54642D | Modification Recommended | 54642D-04 | Correcting environmentally caused trace tilt | 2004.11.21 |
| 54754A | Modification Available | 54754A-03 | Add ESD shutter protection to electrical inputs on module. | 2004.09.27 |
| 54754A | Modification Recommended | 54754A-04 | TDR Module fails Vertical CAL, | 2004.10.03 |
| 54810A | Modification Recommended | 54810A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.16 |
| 54815A | Modification Recommended | 54815A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.10 |
| 54820A | Modification Recommended | 54820A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.10 |
| 54825A | Information Only | 54825A-01B | Replacing Older A4 AMI PC Motherboard Requires Extra Parts | 2002.08.27 |
| 54825A | Modification Recommended | 54825A-02 | Improved Side-Handle Mounting Screw Recommended | 1998-07 |
| 54825A | Modification Recommended | 54825A-04 | Adding LAN to the Infiniium | 1998-08 |
| 54825A | Information Only | 54825A-05 | Model 54810A Infinium Oscilloscopes | 1998-09 |
| 54825A | Modification Recommended | 54825A-06 | Upgrade Infinium Oscilloscopes With 64 MB RAM For Improved Performance and Reliability | 1999-03 |
| 54825A | Modification Recommended | 54825A-07A | Correct Intermittent Lockups Caused By the Motherboard etc | 2000-07 |
| 54825A | Modification Recommended | 54825A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.10 |
| 54825A | Modification Available | 54825A-08 | Infiniium Oscilloscope Performance Upgrade E2633A obsoleted and replaced with upgrade kits | 2001-05 |
| 54825A | Information Only | 54825A-09 | 54825A Infiniium Oscilloscopes – 2Gsa/s, 4 Ch, 500MHZ | 2002.05.20 |
| 54830B | Modification Available | 54830B-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54830D | Modification Available | 54830D-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54831B | Modification Available | 54831B-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54831D | Modification Available | 54831D-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54832B | Modification Available | 54832B-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54832D | Modification Available | 54832D-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54833A | Modification Available | 54833A-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54833D | Modification Available | 54833D-08A | Screws on acquisition board may become loose during shipment. | 2009.03.24 |
| 54835A | Modification Recommended | 54835A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.10 |
| 54845A | Information Only | 54845A-01A | Replacing Older A4 PC Motherboard Requires Extra Parts | 1999-01 |
| 54845A | Modification Recommended | 54845A-02 | Improved Side-Handle Mounting Screw Recommended | 1998-07 |
| 54845A | Modification Recommended | 54845A-03 | Install Spacers to Protect A/D Hybrids From Damage | 1998-05 |
| 54845A | Modification Recommended | 54845A-04 | Adding LAN to the Infiniium | 1998-08 |
| 54845A | Information Only | 54845A-05 | Active probe calibration not working correctly in code rev. A.02.02 | 1998-09 |
| 54845A | Modification Recommended | 54845A-06 | Upgrade Infinium Oscilloscopes With 64 MB RAM For Improved Performance and Reliability | 1999-03 |
| 54845A | Modification Recommended | 54845A-07A | Correct Intermittent Lockups Caused By the Motherboard etc | 2000-07 |
| 54845A | Modification Recommended | 54845A-07B | Correct intermittent lockups caused by the motherboard. | 2005.02.10 |
| 54845A | Modification Available | 54845A-08 | Infiniium Oscilloscope Performance Upgrade E2633A obsoleted and replaced with upgrade kits | 2001-05 |
| 54845A | Information Only | 54845A-09 | 54845A Infiniium Oscilloscope 1.5 GHz,4ch, 4-8 Gsa/s. Infiniium Units that are shipped with Acquisition board number 54845-66538 will have problems storing the calibration cal-factors with system firmware A.04.30. Units will pass User Self-calibration, but if the unit’s power is cycled the cal-factors will not be saved, and the unit will be un-calibrated. | 2002.04.25 |
| 54845A | Information Only | 54845A-10A | This Service note is providing instructions for an alternate repair strategy for 54845A Infiniium Scope, when the A13 54845-69527 Exchange board is not available. | 2002.07.30 |
| 54845A | Information Only | 54845A-11 | This Service note is providing performance verification instructions to Service Centers repairing Infiniium Oscilloscopes. | 2002.05.20 |
| 54845A | Information Only | 54845A-12A | This Service note is communicating a possible repair strategy for instruments failing Trigger Self-Calibration. | 2002.09.05 |
| 59301A | Information Only | 59301A-2 | HP-IB VERIFICATION PROGRAM USING THE 9825A | 1977-02 |
| 64145A | Modification Recommended | 64145A-01 | New ROM firmware fixes incorrect SEB instruction | 1992.02.29 |
| 66000A | Modification Recommended | 66000A-01 | Unit resets when in serial link mode | 1993.02.19 |
| 66000A | Modification Recommended | 66000A-02 | New resistor values for ac line input prevents failure 00052000 | 1993.01.06 |
| 66000A | Modification Recommended | 66000A-03 | A1-U1 may short due to overshoots in the bias supply | 1995.01.11 |
| 66000A | Modification Recommended | 66000A-04 | New F/W improves SRQ performance after a serial poll | 1995.02.16 |
| 66000A | Modification Recommended | 66000A-05 | Non-functioning trigger In/Out capability when using multiple 6610XA modules | 2007.03.21 |
| 66000A | Modification Recommended | 66000A-06A | The instrument will not communicate or will not complete self test | 2008.10.26 |
| 66000A | Modification Recommended | 66000A-07 | The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. | 2009.10.08 |
| 66101A | Modification Recommended | 66101A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66101A | Modification Recommended | 66101A-02 | PS may OV when load is removed at high output voltages | 1995.02.16 |
| 66101A | Modification Recommended | 66101A-03 | Status reported before Delay | 1995.12.31 |
| 66101A | Modification Recommended | 66101A-04 | New F/W corrects OCP occurring before Output off | 1996.03.14 |
| 66101A | Modification Recommended | 66101A-05 | New F/W makes List Mode work from the keyboard | 1996.03.14 |
| 66101A | Modification Recommended | 66101A-06 | Turnoff voltage overshoot | 1998.03.01 |
| 66101A | Modification Recommended | 66101A-07A | Leaky A2 bias supply capactiors C401 & C405 | 2002.07.15 |
| 66101A | Modification Available | 66101A-08A | The instrument will not communicate or will not complete self test | 2008.10.26 |
| 66101A | Modification Recommended | 66101A-09A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66102A | Modification Recommended | 66102A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66102A | Modification Recommended | 66102A-02 | Status reported before Delay | 1995.12.31 |
| 66102A | Modification Recommended | 66102A-03 | OCP may occur during Output Off | 1995.12.31 |
| 66102A | Modification Recommended | 66102A-04 | List Mode does not work from keyboard | 1995.12.31 |
| 66102A | Modification Recommended | 66102A-05 | Turnoff voltage overshoot | 1998.03.01 |
| 66102A | Modification Recommended | 66102A-06A | Leaky A2 Bias Supply Capacitors C401 & C405 | 2002.07.16 |
| 66102A | Modification Available | 66102A-07A | The Instrumment will not communicate or will not complete self test | 2008.10.26 |
| 66102A | Modification Recommended | 66102A-08A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66103A | Modification Recommended | 66103A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66103A | Modification Recommended | 66103A-02 | Status reported before Delay | 1995.12.31 |
| 66103A | Modification Recommended | 66103A-03 | OCP may occur during Output Off | 1995.12.31 |
| 66103A | Modification Recommended | 66103A-04 | List Mode does not work from keyboard | 1995.12.31 |
| 66103A | Modification Recommended | 66103A-05 | Turnoff voltage overshoot | 1998.03.01 |
| 66103A | Modification Recommended | 66103A-06A | Leaky A2 Bias Supply Capacitors C401 & C405 | 2002.07.16 |
| 66103A | Modification Available | 66103A-07A | The Instrumment will not communicate or will not complete self test | 2008.10.26 |
| 66103A | Modification Recommended | 66103A-08A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66104A | Modification Recommended | 66104A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66104A | Modification Recommended | 66104A-02 | Modification prevents output oscillation in 2 to 3 kHz range | 1993.03.31 |
| 66104A | Modification Recommended | 66104A-03 | Status reported before Delay | 1995.12.31 |
| 66104A | Modification Recommended | 66104A-04 | OCP may occur during Output Off | 1995.12.31 |
| 66104A | Modification Recommended | 66104A-05 | List Mode does not work from keyboard | 1995.12.31 |
| 66104A | Modification Recommended | 66104A-06 | Turnoff voltage overshoot | 1998.03.01 |
| 66104A | Modification Recommended | 66104A-07A | Leaky A2 Bias Supply Capacitors C401 & C405 | 2002.07.16 |
| 66104A | Modification Available | 66104A-08A | The Instrumment will not communicate or will not complete self test | 2008.10.26 |
| 66104A | Modification Recommended | 66104A-09A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66105A | Modification Recommended | 66105A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66105A | Modification Recommended | 66105A-02 | Supply may oscillate below 15 volts | 1995.01.11 |
| 66105A | Modification Recommended | 66105A-03 | Status reported before Delay | 1995.12.31 |
| 66105A | Modification Recommended | 66105A-04 | OCP may occur during Output Off | 1995.12.31 |
| 66105A | Modification Recommended | 66105A-05 | List Mode does not work from keyboard | 1995.12.31 |
| 66105A | Modification Recommended | 66105A-06 | Turnoff voltage overshoot | 1998.03.01 |
| 66105A | Modification Recommended | 66105A-07A | Leaky A2 Bias Supply Capacitors C401 & C405 | 2002.07.16 |
| 66105A | Modification Available | 66105A-08A | The Instrumment will not communicate or will not complete self test | 2008.10.26 |
| 66105A | Modification Recommended | 66105A-09A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66106A | Modification Recommended | 66106A-01 | Modification prevents output connector cover assemblies from cracking | 1993.03.31 |
| 66106A | Modification Recommended | 66106A-02 | Status reported before Delay | 1995.12.31 |
| 66106A | Modification Recommended | 66106A-03 | OCP may occur during Output Off | 1995.12.31 |
| 66106A | Modification Recommended | 66106A-04 | List Mode does not work from keyboard | 1995.12.31 |
| 66106A | Modification Recommended | 66106A-05 | Turnoff voltage overshoot | 1998.03.01 |
| 66106A | Modification Recommended | 66106A-06A | Leaky A2 Bias Supply Capacitors C401 & C405 | 2002.07.16 |
| 66106A | Modification Available | 66106A-07A | The Instrumment will not communicate or will not complete self test | 2008.10.27 |
| 66106A | Modification Recommended | 66106A-08A | The Instrumment will not communicate or will not complete self test | 2008.10.29 |
| 66309B | Modification Recommended | 66309B-03B | Unit Exchange Program | 2001.01.31 |
| 66309B | Modification Available | 66309B-05 | Reliability Inprovement, GPIB/RS232 Interface | 2003.08.03 |
| 66309B | Modification Recommended | 66309B-06 | Unit Exchange Program | 2004.03.17 |
| 66309B | Modification Recommended | 66309B-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66309B | Modification Recommended | 66309B-08A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66309B | Modification Recommended | 66309B-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66309B | Modification Recommended | 66309B-080-01B | Unit Exchange Program | 2001.01.31 |
| 66309B | Modification Recommended | 66309B-521-02B | Unit exchange program | 2001.05.22 |
| 66309B | Modification Available | 66309B-521-03 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66309B | Modification Recommended | 66309B-521-04 | Unit Exchange Program | 2004.03.16 |
| 66309D | Modification Recommended | 66309D-03B | Unit Exchange Program | 2001.01.31 |
| 66309D | Modification Recommended | 66309D-05 | Unit Exchange Program | 2004.03.17 |
| 66309D | Modification Recommended | 66309D-07A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66309D | Modification Recommended | 66309D-080-01B | Unit Exchange Program | 2001.01.31 |
| 66309D | Modification Recommended | 66309D-521-02B | Unit Exchange Program | 2001.01.31 |
| 66309D | Modification Available | 66309D-521-03 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66309D | Modification Recommended | 66309D-521-04 | Unit Exchange Program | 2004.03.17 |
| 66311B | Modification Recommended | 66311B-03B | Unit Exchange Program | 2001.01.31 |
| 66311B | Modification Available | 66311B-05 | Reliability Improvement GPIB/RS232 Interface | 2003.08.04 |
| 66311B | Modification Recommended | 66311B-06 | Unit Exchange Program | 2004.03.17 |
| 66311B | Modification Recommended | 66311B-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66311B | Modification Recommended | 66311B-08A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66311B | Modification Recommended | 66311B-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66311B | Modification Recommended | 66311B-080-01B | Unit Exchange Program | 2001.01.31 |
| 66311B | Modification Recommended | 66311B-J02-03B | Unit Exchange Program | 2001.01.31 |
| 66311B | Modification Recommended | 66311B-J02-04 | Unit Exchange Program | 2004.03.17 |
| 66311D | Modification Recommended | 66311D-03B | Unit Exchange Program | 2001.01.31 |
| 66311D | Modification Recommended | 66311D-06 | Unit Exchange Program | 2004.03.17 |
| 66311D | Modification Recommended | 66311D-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66311D | Modification Recommended | 66311D-080-01B | Unit exchange program | 2001.05.22 |
| 66312A | Modification Recommended | 66312A-06B | Unit Exchange Program | 2001.01.31 |
| 66312A | Safety | 66312A-07 | POSSIBLE “SHOCK” HAZARD | 2002.02.18 |
| 66312A | Modification Recommended | 66312A-10 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66312A | Modification Recommended | 66312A-080-01A | Unit exchange program | 2001.05.22 |
| 66312A | Modification Recommended | 66312A-080-01B | Unit Exchange Program | 2001.01.31 |
| 66312A | Modification Recommended | 66312A-J01-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J02-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J02-02 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J03-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J04-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J04-02 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J04-03B | Unit Exchange Program | 2001.01.31 |
| 66312A | Modification Recommended | 66312A-J05-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J05-02 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J08-01 | MODIFICATION TO IMPROVE PERFORMANCE | 2001.10.31 |
| 66312A | Modification Recommended | 66312A-J08-03B | Unit exchange program | 2001.05.22 |
| 66319B | Modification Recommended | 66319B-01B | Unit Exchange Program | 2001.01.31 |
| 66319B | Modification Recommended | 66319B-02 | Fetch: Current? Error 603 | 2001.05.29 |
| 66319B | Modification Available | 66319B-05 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66319B | Modification Recommended | 66319B-06 | Unit Exchange Program | 2004.03.18 |
| 66319B | Modification Recommended | 66319B-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66319B | Modification Recommended | 66319B-08A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66319B | Modification Recommended | 66319B-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66319B | Modification Recommended | 66319B-10 | The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide | 2012.09.12 |
| 66319B | Modification Available | 66319B-521-01 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66319B | Modification Recommended | 66319B-521-02 | Unit Exchange Program | 2004.03.18 |
| 66319D | Modification Recommended | 66319D-01B | Unit Exchange Program | 2001.01.31 |
| 66319D | Modification Recommended | 66319D-02 | Fetch: Current? Error 604 | 2001.05.29 |
| 66319D | Modification Available | 66319D-05 | Reliability Improvement. GPIB/RS232 Interface | 2003.08.04 |
| 66319D | Modification Recommended | 66319D-06 | Unit Exchange Program | 2004.03.18 |
| 66319D | Modification Recommended | 66319D-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66319D | Modification Recommended | 66319D-08A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66319D | Modification Recommended | 66319D-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66319D | Modification Recommended | 66319D-10 | The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide | 2012.09.12 |
| 66319D | Modification Available | 66319D-521-01 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66319D | Modification Recommended | 66319D-521-02 | Unit Exchange Program | 2004.03.18 |
| 66321B | Modification Recommended | 66321B-01B | Unit Exchange Program | 2001.01.31 |
| 66321B | Modification Recommended | 66321B-02 | Fetch: Current? Error 605 | 2001.05.29 |
| 66321B | Modification Available | 66321B-05 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66321B | Modification Recommended | 66321B-06 | Unit Exchange Program | 2004.03.18 |
| 66321B | Modification Recommended | 66321B-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66321B | Modification Recommended | 66321B-08 | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66321B | Modification Recommended | 66321B-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66321B | Modification Recommended | 66321B-10 | The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide | 2012.09.12 |
| 66321B | Modification Available | 66321B-521-01 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66321D | Modification Recommended | 66321D-01B | Unit Exchange Program | 2001.01.31 |
| 66321D | Modification Recommended | 66321D-02 | Fetch: Current? Error 606 | 2001.05.29 |
| 66321D | Modification Available | 66321D-05 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66321D | Modification Recommended | 66321D-06 | Unit Exchange Program | 2004.03.18 |
| 66321D | Modification Recommended | 66321D-07 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.28 |
| 66321D | Modification Recommended | 66321D-08A | The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. | 2015.12.15 |
| 66321D | Modification Recommended | 66321D-09 | Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. | 2012.06.17 |
| 66321D | Modification Recommended | 66321D-10 | The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide | 2012.09.12 |
| 66321D | Modification Available | 66321D-521-01 | Reliability Improvement, GPIB/RS232 Interface | 2003.08.04 |
| 66332A | Modification Recommended | 66332A-01 | Low range current readback out of specifications | 1998.03.01 |
| 66332A | Modification Recommended | 66332A-02A | RS232/HP-IB Firmware Hang-ups | 1999.08.09 |
| 66332A | Modification Recommended | 66332A-03A | Blank Front Panel Display,Unit Dead | 1999.08.09 |
| 66332A | Modification Recommended | 66332A-06B | Unit Exchange Program | 2001.01.31 |
| 66332A | Modification Recommended | 66332A-09 | On faster computers, when programming over GPIB, a random error will occur. | 2005.09.29 |
| 66332A | Modification Recommended | 66332A-10 | There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. | 2011.01.10 |
| 66332A | Modification Recommended | 66332A-020-01B | Unit exchange program | 2001.05.22 |
| 66332A | Modification Recommended | 66332A-760-01B | Unit exchange program | 2001.05.22 |
| 70001A | Safety | 70001A-20-S | Possible fire hazard- faulty capacitors | 1995.09.30 |
| 70004A | Information Only | 70004A-03A | Replacement of keypad keys or retainer spring | 1991.12.03 |
| 70004A | Information Only | 70004A-07A | Troubleshooting Guide for disk/memory card addressing | 1992.03.18 |
| 70004A | Safety | 70004A-08-S | Right Side Strap Handle does Not Meet Safety Standards | 1992.06.24 |
| 70004A | Information Only | 70004A-13 | Reset Programmable Array Logic (PAL) integrated circuit | 1994.01.19 |
| 70004A | Information Only | 70004A-14 | Modification to prevent Modular System Interface Bus (MSIB) Lockup | 1995-07 |
| 70004A | Safety | 70004A-15-S | Possible fire hazard- faulty capacitors | 1995.09.30 |
| 70100A | Modification Recommended | 70100A-01 | Mod to eliminate loose reference oscillator N-type connectors | 1997.02.10 |
| 70100A | Modification Recommended | 70100A-03 | Modification to eliminate loose battery connections | 2001.01.07 |
| 70310A | Modification Recommended | 70310A-05 | Modification reduces 6 MHz emissions by approximately 6 dB | 1993.12.31 |
| 70611A | Information Only | 70611A-01 | Controller board fuse replacement | 1992.07.15 |
| 70611A | Modification Recommended | 70611A-02 | Rear panel auxiliary indicator wired incorrectly | 1998.10.13 |
| 70620B | Modification Recommended | 70620B-01 | Modification eliminates residual responses caused by noisy power supply | 1993.02.28 |
| 70700A | Information Only | 70700A-01C | Information on new firmware | 1994.01.04 |
| 70703A | Modification Recommended | 70703A-01 | The field replacement mechanical attenuator fail rate is higher than normal for instruments repaired between March 2003 and March 2006 | 2006.04.25 |
| 70908A | Modification Recommended | 70908A-21 | Module Verification Software Modification | 1992.12.08 |
| 70908A | Modification Recommended | 70908A-25 | Multiplier Power Out Adjustment | 1995.12.31 |
| 81002FF | Safety | 81002FF-01-S | Potential temperature related safety issue | 2001.12.10 |
| 81101A | Modification Available | 81101A-02C | New firmware 01.12.01/BIOS 1.30 package available | 2005.02.16 |
| 81101A | Modification Available | 81101A-04C | New firmware 01.12.01/BIOS 1.30 package available | 2005.02.16 |
| 81101A | Modification Recommended | 81101A-06B | Intermittent Display Failures | 2005.05.08 |
| 81104A | Modification Available | 81104A-01C | New firmware 01.12.01/BIOS 1.30 package available | 2005.02.16 |
| 81104A | Modification Available | 81104A-03C | New firmware 01.12.01/BIOS 1.30 package available | 2005.02.16 |
| 81104A | Modification Recommended | 81104A-05B | Intermittent Display Failures | 2005.05.08 |
| 81105A | Modification Recommended | 81105A-01A | Distorted output signal when large duty cycle used | 1999.11.28 |
| 81110A | Modification Available | 81110A-01C | New firmware 01.12.01/BIOS 1.30 package available | 2005.02.16 |
| 81110A | Modification Available | 81110A-03C | New firmware 01.12.01 /BIOS 1.30 package available | 2005.02.16 |
| 81110A | Modification Recommended | 81110A-05B | Intermittient Display Failures | 2005.05.08 |
| 81111A | Modification Recommended | 81111A-01A | Distorted output signal when large duty cycle used | 1999.11.28 |
| 81130A | Modification Available | 81130A-01B | Keypad locks during manual operation | 2003.02.11 |
| 81130A | Modification Recommended | 81130A-03B | Intermittient Display Failures | 2005.05.08 |
| 81133A | Modification Recommended | 81133A-01A | Control Knob does not work properly. Display starts flickering | 2011.02.09 |
| 81133A | Modification Available | 81133A-02 | 81133/34A Firmware Version 2.95 Update available | 2011.12.14 |
| 81134A | Modification Recommended | 81134A-01A | Control Knob does not work properly. Display starts flickering | 2011.02.09 |
| 81134A | Modification Available | 81134A-02 | 81133/34A Firmware Version 2.95 Update available | 2011.12.14 |
| 81141A | Priority Safety | 81141A-01-S | Possible Fire Hazard | 2007.08.08 |
| 81141A | Safety | 81141A-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| 81142A | Safety | 81142A-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| 81150A | Modification Recommended | 81150A-01 | Starting in August 2007 wrong SMT fuses were loaded on PCA of the E8305A. | 2008.09.16 |
| 81150A | Modification Recommended | 81150A-08A | Some shipped units have wrong entries in the internal Calibration Table (Calibration data) for three parameters, and could therefore fail Calibration (Performance Verification) in the service center. Please send back to the factory the affected units for recalibration! Do not repair these units! | 2010.12.09 |
| 81150A | Modification Recommended | 81150A-11 | Potential issue with duplicate MAC address | 2022.10.31 |
| 81160A | Modification Recommended | 81160A-02 | Potential issue with duplicate MAC address | 2022.10.31 |
| 81250A | Safety | 81250A-01-S | The power adapters need to be replaced by safety compliant extension cords and country specific power cords | 2007.02.07 |
| 81250A | Safety | 81250A-02-S | Dell informed Agilent that certain Dell Notebook batteries supplied with ParBERT systems might overheat and potentially catch fire. | 2009.03.15 |
| 81618A | Modification Recommended | 81618A-01 | Current peaks at turn-on might cause the coil to melt. TEC setting failure. | 2002.09.02 |
| 81619A | Modification Recommended | 81619A-01 | Current peaks at turn-on might cause the coil to melt. TEC settings failure | 2002.09.02 |
| 81640A | Modification Available | 8164A-05 | 81640A/81680A Power Repeatability in Fast Sweep Mode | 2000.06.30 |
| 81662A | Modification Recommended | 81662A-01 | Specification were enhanced for DFB lasers, old DFBs need firmware revision >3.0 to keep enhanced specification. | 2002.02.25 |
| 81663A | Modification Recommended | 81663A-01 | Specification were enhanced for DFB lasers, old DFBs need firmware revision >3.0 to keep enhanced specification. | 2002.02.25 |
| 81940A | Modification Available | 81940A-01 | Firmware update to fix possible wavelength offset. | 2004.11.16 |
| 81949A | Modification Available | 81949A-01 | Firmware update to fix possible wavelength offset. | 2004.11.22 |
| 81980A | Modification Available | 81980A-01 | Firmware update to fix possible wavelength offset. | 2004.11.22 |
| 81989A | Modification Available | 81989A-01 | Firmware update to fix possible wavelength offset | 2004.11.22 |
| 83220A | Priority Safety | 83220A-03-S | Incorrect value of line fuse fitted, combined with the failure of acomponent in the power supply secondary rectifier circuits, maycreate a fire hazard. | 1999.04.30 |
| 83220A | Safety | 83220A-04-S | Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) | 2000.01.31 |
| 83220E | Safety | 83220E-04-S | component in the power supply secondary rectifier circuits, may | 2000.01.31 |
| 83220E | Priority Safety | 83220E-03-S | Incorrect value of line fuse fitted, combined with the failure of acomponent in the power supply secondary rectifier circuits, maycreate a fire hazard. | 1999.04.30 |
| 83491A | Modification Recommended | 83491A-01 | “Module not recognized” error message | 2022.02.05 |
| 83620A | Modification Recommended | 83620A-02 | Modification to A38 modulators to prevent oscillation | 1997.02.10 |
| 83620B | Modification Recommended | 83620B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83621B | Modification Recommended | 83621B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83622B | Modification Recommended | 83622B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83623B | Modification Recommended | 83623B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83623L | Modification Recommended | 83623L-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83624B | Modification Recommended | 83624B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83630B | Modification Recommended | 83630B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83630L | Modification Recommended | 83630L-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83631B | Modification Recommended | 83631B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83731B | Modification Recommended | 83731B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83732B | Modification Recommended | 83732B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83751A | Modification Recommended | 83751A-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83751B | Modification Recommended | 83751B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83752A | Modification Recommended | 83752A-01 | Inspection and replmnt of rubber air dam attached to fan | 1996.03.14 |
| 83752A | Modification Recommended | 83752A-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 83752B | Modification Recommended | 83752B-M71 | Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector | 1999.01.31 |
| 85025D | Modification Available | 85025D-01 | Connector Repair Kits for the Agilent 85025D and 85025E Detectors (Agilent Kit Part Numbers 85025-60026 and 85025-60027) | 2013-12 |
| 85025E | Modification Available | 85025E-01 | Connector Repair Kits for the Agilent 85025D and 85025E Detectors (Agilent Kit Part Numbers 85025-60026 and 85025-60027) | 2013-12 |
| 85102B | Modification Available | 85102B-01 | New J1 Molex connector on the old A26 Rectifier Board | 1999.08.25 |
| 85106C | Modification Recommended | 85106C-01 | Modification increases RF source voltage to improve performance | 1992.03.31 |
| 85110A | Modification Recommended | 85110A-01 | D.C. Return Upgrade Kit | 1995.09.30 |
| 85110A | Safety | 85110A-02A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 85110L | Modification Recommended | 85110L-01 | D.C. Return Upgrade Kit | 1995.09.30 |
| 85110L | Safety | 85110L-02A-S | Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. | 2007.05.09 |
| 85301B | Modification Recommended | 85301B-02 | Performance Software | 1999.10.31 |
| 85301C | Modification Recommended | 85301C-02 | Performance Software | 1999.10.31 |
| 85629B | Modification Recommended | 85629B-08 | Modified YTO adjustment | 1992.05.31 |
| 85650A | Modification Recommended | 85650A-1 | PREVENTING SPECTRUM ANALYZER ATTENUATOR DAMAGE WHEN PERFORMING CONDUCTED EMI MEASUREMENTS | 1981-08 |
| 85942A | Safety | 85942A-01-S | Possible safety hazard | 1995.12.31 |
| 85942A | Priority Safety | 85942A-02-S | Lack of instrument earth/ground, combined with possible detachmentof internal line module wires due to manufacturing defect, | 1996.05.31 |
| 85960B | Modification Recommended | 85960B-1201 | Noise at low end of Sweep | 2002.01.10 |
| 85961B | Modification Recommended | 85961B-1201 | Noise at low end of Sweep | 2002.01.10 |
| 85962A | Modification Recommended | 85962A-1201 | Noise at low end of Sweep | 2002.01.10 |
| 85963A | Modification Recommended | 85963A-1201 | Noise at low end of Sweep | 2002.01.10 |
| 86030A | Modification Recommended | 86030A-01 | Software upgrade adds remote programming capability to system | 2001.11.28 |
| 86030A | Modification Available | 86030A-02 | Cleaning the controller fan filter will increase system reliability | 2002.05.29 |
| 86030A | Modification Available | 86030A-03 | Characterize a customer's verification device, (83440D), following Lightwave Test Set, (86032A), factory repair or calibration | 2002.06.23 |
| 86100C | Modification Recommended | 86100C-02 | New part number for stainless steel anchor on DCA mainframe. | 2004.12.30 |
| 86100C | Modification Available | 86100C-04 | Add diode limiter to prevent counter assembly failures | 2006.08.29 |
| 86100C | Modification Recommended | 86100C-10B | Low Voltage part loaded in 5 V application causes performance to degrade over time. Inspect for low voltage part and replace. | 2010.01.26 |
| 86100C | Modification Recommended | 86100C-12A | Motherboard board mounting modification improves product reliability related to boot up issues. | 2010.04.15 |
| 86100D | Information Only | 86100D-08 | Choose correct 86100D SSD (Solid State Drive) based on installed CPU and Windows OS eligibility. | 2015.10.23 |
| 86100D | Modification Recommended | 86100D-09A | DCA-X Mainframe power supply may be prone to early failure under certain conditions. | 2017.01.04 |
| 86100D | Modification Available | 86100D-11A | An upgrade to Windows 10 is available for all 86100D DCA-X mainframes. Units with older CPU version will also require a CPU upgrade. See text below for determining CPU version. | 2020.08.30 |
| 86100D | Modification Available | 86100D-11B | An upgrade to Windows 10 is available for all 86100D DCA-X mainframes. Units with older CPU version will also require a CPU upgrade. See text for determining CPU version. | 2023.06.01 |
| 86105C | Modification Available | 86105C-03 | The 86105C has the ability to store Extinction Ratio Correction Factors (ERCF) to enhance the accuracy of extinction ratio measurements. Agilent Service centers now have the ability to calculate and store custom ERCF values for individual 86105C modules to enhance the accuracy and repeatability of ER measurements. | 2009.07.27 |
| 86106B | Modification Recommended | 86106B-01 | Memory Error in module | 2004.01.28 |
| 86107A | Modification Recommended | 86107A-01 | Memory Error in module | 2004.01.28 |
| 86108B | Modification Recommended | 86108B-01 | Install option JSA on all 86108B modules during regular service. | 2019.07.22 |
| 86144B | Modification Recommended | 86144B-01 | Potential servo board failure on 86144B | 2003.03.24 |
| 86146B | Modification Recommended | 86146B-01 | Potential servo board failures on 86146B | 2003.03.24 |
| 86290A | Information Only | 86290A-5 | FREQUENCY TRACKING ADJUSTMENT | 1982-01 |
| 86290B | Information Only | 86290B-3 | FREQUENCY TRACKING ADJUSTMENT | 1982-01 |
| 86290C | Information Only | 86290C-2 | FREQUENCY TRACKING ADJUSTMENT | 1982-01 |
| 86790B | Modification Recommended | 86790B-01 | Modification eliminates ground bounce and clock line reflections | 1992.09.30 |
| 86790B | Modification Recommended | 86790B-02 | Firmware history and upgrade procedures | 1993.03.31 |
| 87421A | Safety | 87421A-01-S | A potential shock hazard is present if the rivets fastening the AC power input module cause the plastic case to fracture. | 1992.02.20 |
| AE6943A | Modification Recommended | AE6943A-01 | Potential characteristic impedance differential mode (CIDM) measurement failure on AE6943A | 2023.07.12 |
| B1500A | Modification Recommended | B1500A-01 | Mouse cursor moves to edge against operator move to another location | 2006.05.08 |
| B1500A | Modification Recommended | B1500A-05 | Unexpected noise output from HRSMU/MPSUM on specified condition | 2009.03.30 |
| B1500A | Modification Available | B1500A-07 | Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. | 2019.05.07 |
| B1505A | Safety | B1505A-01B-S | There is a possibility of an electrical shock hazard. | 2019.02.12 |
| B1505A | Modification Recommended | B1505A-02 | Cannot recognize the peripheral product; N1268A Ultra High Voltage Expander and when it is connected, the communication error (timeout) occurs. | 2018.08.13 |
| B1505A | Modification Available | B1505A-03 | Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. | 2019.05.07 |
| B1506A | Modification Available | B1506A-01 | Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. | 2019.05.07 |
| B2901A | Modification Recommended | B2901A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2901A | Modification Recommended | B2901A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2018.09.17 |
| B2901A | Modification Recommended | B2901A-03 | When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. | 2020.03.12 |
| B2901B | Modification Recommended | B2901B-01 | The LAN MAC address assigned to B2901B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2901B | Modification Recommended | B2901B-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2901BL | Modification Recommended | B2901BL-01 | The LAN MAC address assigned to B2901BL may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2901BL | Modification Recommended | B2901BL-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2902A | Modification Recommended | B2902A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2902A | Modification Recommended | B2902A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2018.09.17 |
| B2902A | Modification Recommended | B2902A-03 | When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. | 2020.03.12 |
| B2902B | Modification Recommended | B2902B-01 | The LAN MAC address assigned to B2902B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2902B | Modification Recommended | B2902B-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2910BL | Modification Recommended | B2910BL-01 | The LAN MAC address assigned to B2910BL may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2910BL | Modification Recommended | B2910BL-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2911A | Modification Recommended | B2911A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2911A | Modification Recommended | B2911A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2019.09.25 |
| B2911A | Modification Recommended | B2911A-03 | When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. | 2020.03.12 |
| B2911B | Modification Recommended | B2911B-01 | The LAN MAC address assigned to B2911B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2911B | Modification Recommended | B2911B-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2912A | Modification Recommended | B2912A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2912A | Modification Recommended | B2912A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2018.09.17 |
| B2912A | Modification Recommended | B2912A-03 | When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. | 2020.03.12 |
| B2912B | Modification Recommended | B2912B-01 | The LAN MAC address assigned to B2912B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2912B | Modification Recommended | B2912B-03 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2961A | Modification Recommended | B2961A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2961A | Modification Recommended | B2961A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2018.09.17 |
| B2961B | Modification Recommended | B2961B-01 | The LAN MAC address assigned to B2961B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2961B | Modification Recommended | B2961B-02 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2962A | Modification Recommended | B2962A-01 | Factory Pre-shipment Adjustment/Calibration Issue | 2013.06.20 |
| B2962A | Modification Recommended | B2962A-02 | May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. | 2018.09.17 |
| B2962B | Modification Recommended | B2962B-01 | The LAN MAC address assigned to B2962B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2962B | Modification Recommended | B2962B-02 | Distortion occurs in the output waveform when creating a sweep waveform. | 2024.03.25 |
| B2981B | Modification Recommended | B2981B-01 | The LAN MAC address assigned to B2981B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2983B | Modification Recommended | B2983B-01 | The LAN MAC address assigned to B2983B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2985B | Modification Recommended | B2985B-01 | The LAN MAC address assigned to B2985B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| B2987B | Modification Recommended | B2987B-01 | The LAN MAC address assigned to B2987B may have a duplicate with the one assigned to 33502A. | 2021.12.01 |
| CX1101A | Modification Available | CX1101A-01 | CX1101A, a sensor that can be used with CX3322A/CX3324A, can have a new 500 kHz Low Pass Filter mode by performing both updates. | 2019.02.12 |
| CX3322A | Modification Available | CX3322A-01 | CX1101A, a sensor that can be used with CX3322A, can have a new 500 kHz Low Pass Filter mode by performing both updates. | 2019.02.12 |
| CX3322A | Modification Recommended | CX3322A-02 | The CX3322A could have DC voltage measurement deviation | 2023.03.19 |
| CX3324A | Modification Available | CX3324A-01 | CX1101A, a sensor that can be used with CX3324A, can be updated to have 500 kHz Low Pass Filter mode by performing both updates: | 2019.02.12 |
| CX3324A | Modification Recommended | CX3324A-02 | The CX3324A could have DC voltage measurement deviation | 2023.03.19 |
| DAQ970A | Modification Recommended | DAQ970A-01 | DAQM909A when used in DAQ970A serial number MY58001798 and lower may exhibit higher-than-normal radiated emissions | 2020.01.28 |
| DAQ970A | Information Only | DAQ970A-04 | Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. | 2023.04.10 |
| DAQ970A | Information Only | DAQ970A-04A | Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. | 2023.04.10 |
| DAQ973A | Information Only | DAQ973A-02 | Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. | 2023.04.10 |
| DAQ973A | Information Only | DAQ973A-02A | Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. | 2023.04.10 |
| DAQM900A | Modification Recommended | DAQM900A-01A | Possible tightness when unplugging the module from DAQ970A mainframe | 2019.07.17 |
| DAQM901A | Modification Recommended | DAQM901A-01A | Possible tightness when unplugging the module from DAQ970A mainframe | 2019.07.17 |
| DAQM902A | Modification Recommended | DAQM902A-01A | Possible tightness when unplugging the module from DAQ970A mainframe | 2019.07.17 |
| DAQM903A | Modification Recommended | DAQM903A-01A | Possible tightness when unplugging the module from DAQ970A mainframe | 2019.07.17 |
| DSA90254A | Modification Recommended | DSA90254A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA90254A | Modification Recommended | DSA90254A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA90254A | Modification Recommended | DSA90254A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA90254A | Modification Recommended | DSA90254A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSA90404A | Modification Recommended | DSA90404A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA90404A | Modification Recommended | DSA90404A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA90404A | Modification Recommended | DSA90404A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA90404A | Modification Recommended | DSA90404A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSA90604A | Modification Recommended | DSA90604A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA90604A | Modification Recommended | DSA90604A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA90604A | Modification Recommended | DSA90604A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA90604A | Modification Recommended | DSA90604A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSA90804A | Modification Recommended | DSA90804A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA90804A | Modification Recommended | DSA90804A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA90804A | Modification Recommended | DSA90804A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA90804A | Modification Recommended | DSA90804A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSA91204A | Modification Recommended | DSA91204A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA91204A | Modification Recommended | DSA91204A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA91204A | Modification Recommended | DSA91204A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA91204A | Modification Recommended | DSA91204A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSA91304A | Modification Recommended | DSA91304A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSA91304A | Modification Recommended | DSA91304A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSA91304A | Modification Recommended | DSA91304A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSA91304A | Modification Recommended | DSA91304A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSAX91604A | Modification Recommended | DSAX91604A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSAX92004A | Modification Recommended | DSAX92004A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSAX92504A | Modification Recommended | DSAX92504A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSAX92804A | Modification Recommended | DSAX92804A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSAX93204A | Modification Recommended | DSAX93204A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSAX95004Q | Modification Recommended | DSAX95004Q-01 | Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. | 2014.08.05 |
| DSAX96204Q | Modification Recommended | DSAX96204Q-01 | Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. | 2014.08.05 |
| DSO1052B | Modification Recommended | DSO1052B-02A | A small number of DSO1052B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. | 2016.03.30 |
| DSO1072B | Modification Recommended | DSO1072B-02A | A small number of DSO1072B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. | 2016.03.30 |
| DSO1102B | Modification Recommended | DSO1102B-02A | A small number of DSO1102B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user | 2016.03.30 |
| DSO1152B | Modification Recommended | DSO1152B-02A | A small number of DSO1152B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. | 2016.03.30 |
| DSO6014L | Safety | DSO6014L-01-S | A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. | 2020.10.15 |
| DSO6032A | Priority Safety | DSO6032A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| DSO6034A | Priority Safety | DSO6034A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| DSO6052A | Priority Safety | DSO6052A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| DSO6054A | Priority Safety | DSO6054A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| DSO6054L | Safety | DSO6054L-01-S | A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. | 2020.10.15 |
| DSO6104A | Priority Safety | DSO6104A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| DSO6104L | Safety | DSO6104L-01-S | A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. | 2020.10.15 |
| DSO7032A | Modification Recommended | DSO7032A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| DSO7034A | Modification Recommended | DSO7034A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| DSO7052A | Modification Recommended | DSO7052A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| DSO7054A | Modification Recommended | DSO7054A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| DSO7104A | Modification Recommended | DSO7104A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| DSO9024H | Modification Recommended | DSO9024H-01 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9054H | Modification Recommended | DSO9054H-01 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9064A | Modification Recommended | DSO9064A-01A | Intermittent power failure on some 9000 series units. | 2012.02.02 |
| DSO9064A | Modification Recommended | DSO9064A-03 | Intermittent shutdown issue is J124 connector and 12 volt Bulk power cable connection problem. | 2012.09.12 |
| DSO9104A | Modification Recommended | DSO9104A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| DSO9104A | Modification Recommended | DSO9104A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| DSO9104A | Modification Recommended | DSO9104A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9104H | Modification Recommended | DSO9104H-01 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9204H | Modification Recommended | DSO9204H-01 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9254A | Modification Recommended | DSO9254A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| DSO9254A | Modification Recommended | DSO9254A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| DSO9254A | Modification Recommended | DSO9254A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO9404A | Modification Recommended | DSO9404A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| DSO9404A | Modification Recommended | DSO9404A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| DSO9404A | Modification Recommended | DSO9404A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO80204B | Modification Recommended | DSO80204B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO80304B | Modification Recommended | DSO80304B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO80404B | Modification Recommended | DSO80404B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO80604B | Modification Recommended | DSO80604B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO81004B | Modification Recommended | DSO81004B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO81204B | Modification Recommended | DSO81204B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO81304B | Modification Recommended | DSO81304B-01B | Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. | 2007.07.10 |
| DSO90254A | Modification Recommended | DSO90254A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO90254A | Modification Recommended | DSO90254A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO90254A | Modification Recommended | DSO90254A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO90254A | Modification Recommended | DSO90254A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO90404A | Modification Recommended | DSO90404A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO90404A | Modification Recommended | DSO90404A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO90404A | Modification Recommended | DSO90404A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO90404A | Modification Recommended | DSO90404A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO90604A | Modification Recommended | DSO90604A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO90604A | Modification Recommended | DSO90604A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO90604A | Modification Recommended | DSO90604A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO90604A | Modification Recommended | DSO90604A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO90804A | Modification Recommended | DSO90804A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO90804A | Modification Recommended | DSO90804A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO90804A | Modification Recommended | DSO90804A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO90804A | Modification Recommended | DSO90804A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO91204A | Modification Recommended | DSO91204A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO91204A | Modification Recommended | DSO91204A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO91204A | Modification Recommended | DSO91204A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO91204A | Modification Recommended | DSO91204A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSO91304A | Modification Recommended | DSO91304A-02 | Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. | 2008.09.04 |
| DSO91304A | Modification Recommended | DSO91304A-04 | Crackling noise coming from rear of scope. | 2009.04.13 |
| DSO91304A | Modification Recommended | DSO91304A-06A | ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. | 2013.10.01 |
| DSO91304A | Modification Recommended | DSO91304A-07 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| DSOS054A | Modification Recommended | DSOS054A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS054A | Modification Recommended | DSOS054A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS054A | Modification Recommended | DSOS054A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS054A | Modification Recommended | DSOS054A-02F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS054A | Modification Recommended | DSOS054A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS104A | Modification Recommended | DSOS104A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS104A | Modification Recommended | DSOS104A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS104A | Modification Recommended | DSOS104A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS104A | Modification Recommended | DSOS104A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS104A | Modification Recommended | DSOS104A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS204A | Modification Recommended | DSOS204A-02B | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.03.05 |
| DSOS204A | Modification Recommended | DSOS204A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS204A | Modification Recommended | DSOS204A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS204A | Modification Recommended | DSOS204A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS204A | Modification Recommended | DSOS204A-04 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS254A | Modification Recommended | DSOS254A-03A | Under certain circumstances a PLL2 error may occur on the S-series products. | 2018.02.07 |
| DSOS254A | Modification Recommended | DSOS254A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS254A | Modification Recommended | DSOS254A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS254A | Modification Recommended | DSOS254A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS254A | Modification Recommended | DSOS254A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS254A | Modification Recommended | DSOS254A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS404A | Modification Recommended | DSOS404A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS404A | Modification Recommended | DSOS404A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS404A | Modification Recommended | DSOS404A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS404A | Modification Recommended | DSOS404A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.20 |
| DSOS404A | Modification Recommended | DSOS404A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS604A | Modification Recommended | DSOS604A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS604A | Modification Recommended | DSOS604A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS604A | Modification Recommended | DSOS604A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS604A | Modification Recommended | DSOS604A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS604A | Modification Recommended | DSOS604A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOS804A | Modification Recommended | DSOS804A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| DSOS804A | Modification Recommended | DSOS804A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| DSOS804A | Modification Recommended | DSOS804A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| DSOS804A | Modification Recommended | DSOS804A-02F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| DSOS804A | Modification Recommended | DSOS804A-04 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| DSOX2002A | Modification Recommended | DSOX2002A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX2004A | Modification Recommended | DSOX2004A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX2012A | Modification Recommended | DSOX2012A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX2014A | Modification Recommended | DSOX2014A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX2022A | Modification Recommended | DSOX2022A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX2024A | Modification Recommended | DSOX2024A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3012A | Modification Recommended | DSOX3012A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3014A | Modification Recommended | DSOX3014A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3024A | Modification Recommended | DSOX3024A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3032A | Modification Recommended | DSOX3032A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3034A | Modification Recommended | DSOX3034A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3052A | Modification Recommended | DSOX3052A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX3054A | Modification Recommended | DSOX3054A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| DSOX4022A | Modification Recommended | DSOX4022A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4022A | Modification Recommended | DSOX4022A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4024A | Modification Recommended | DSOX4024A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4024A | Modification Recommended | DSOX4024A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4024A | Safety | DSOX4024A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| DSOX4032A | Modification Recommended | DSOX4032A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4032A | Modification Recommended | DSOX4032A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4034A | Modification Recommended | DSOX4034A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4034A | Modification Recommended | DSOX4034A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4034A | Safety | DSOX4034A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| DSOX4052A | Modification Recommended | DSOX4052A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4052A | Modification Recommended | DSOX4052A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4054A | Modification Recommended | DSOX4054A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4054A | Modification Recommended | DSOX4054A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4054A | Safety | DSOX4054A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| DSOX4104A | Modification Recommended | DSOX4104A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| DSOX4104A | Modification Recommended | DSOX4104A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| DSOX4104A | Safety | DSOX4104A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| DSOX4154A | Safety | DSOX4154A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| DSOX91604A | Modification Recommended | DSOX91604A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSOX92004A | Modification Recommended | DSOX92004A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSOX92504A | Modification Recommended | DSOX92504A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSOX92804A | Modification Recommended | DSOX92804A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSOX93204A | Modification Recommended | DSOX93204A-03 | Front panel connector may not offer a good ground connection for probes | 2011.08.04 |
| DSOX95004Q | Modification Recommended | DSOX95004Q-01 | Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. | 2014.08.05 |
| DSOX96204Q | Modification Recommended | DSOX96204Q-01 | Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. | 2014.08.05 |
| E1085A | Safety | 3070-20-S | When testhead enclosure is removed, possible shock hazard exists. | 1995.12.31 |
| E1085A | Safety | 3070-26-S | Possible electrical shock hazard when POTS rack removed | 1996.11.21 |
| E1135C | Safety | 3070-75B-S | The E1135A/B/C PDU may not turn off when the EMO switch (emergency stop) is pressed. | 2008.10.27 |
| E1326B | Modification Recommended | E1326B-01 | Modification to prevent erroneous readings and incorrect delay settings | 1993.02.28 |
| E1326B | Modification Recommended | E1326B-02 | Modification to prevent losing readings when operating with a V/360 controller | 1993.02.28 |
| E1332A | Modification Recommended | E1332A-01 | Modification to prevent losing readings when operating with a V/360 controller | 1993.02.28 |
| E1332A | Modification Recommended | E1332A-02 | Modification to prevent errors | 1991.10.31 |
| E1333A | Modification Recommended | E1333A-01 | Modification to prevent losing readings when operating with a V/360 controller | 1993.02.28 |
| E1345A | Modification Recommended | E1345A-01 | Modification to prevent premature relay failures | 1998.03.01 |
| E1351A | Modification Recommended | E1351A-01 | Modification prevents high environment noise causing random errors & disrupting | 1993.02.28 |
| E1352A | Modification Recommended | E1352A-01 | Modification prevents high environment noise causing random errors & disrupting | 1993.02.28 |
| E1353A | Modification Recommended | E1353A-01 | Modification prevents high environment noise causing random errors & disrupting | 1993.02.28 |
| E1400B | Modification Recommended | E1400B-03 | Correction for defective backplane connectors | 1992.09.30 |
| E1400T | Modification Recommended | E1400T-03 | Correction for defective backplane connectors | 1992.09.30 |
| E1401A | Safety | E1401A-02-S | Buildup of surface contamination inside the E1401A power supply plus a jumper wire with damaged insulation may cause a shock hazard to exist on an externallyaccessible pin on the rear panel of the E1401A mainframe. | 1993.04.05 |
| E1401B | Modification Recommended | E1401B-01 | Mainframe trips GFI circuit breakers | 1998.10.14 |
| E1401B | Modification Available | E1401B-02 | Cooling fan makes ""clicking"" noise | 1999.04.05 |
| E1401B | Modification Recommended | E1401B-03 | Update exchange assembly for low input voltage | 1999.08.09 |
| E1401B | Modification Recommended | E1401B-04 | New power supply improves performance | 2000.12.10 |
| E1411B | Modification Recommended | E1411B-01 | Modifications to prevent erroneous readings and correct delay settings | 1993.02.28 |
| E1411B | Modification Recommended | E1411B-02 | Modification to prevent losing readings when operating with a V/360 controller | 1993.02.28 |
| E1411B | Modification Recommended | E1411B-03 | Replacement transformer stops Ohms drift | 1999.11.28 |
| E1420B | Modification Available | E1420B-02A | New F/W Rev B.03.00 and B.03.40 | 1993.12.31 |
| E1421B | Modification Recommended | E1421B-01 | Mainframe trips GFI Circuit Breakers | 1999.04.05 |
| E1421B | Modification Available | E1421B-02 | Cooling fan makes ""clicking"" noise | 1999.04.05 |
| E1421B | Modification Recommended | E1421B-03 | E1421B 6-Slot, C-size VXI Mainframe | 1999.06.23 |
| E1421B | Modification Recommended | E1421B-04 | New power supply improves performance | 2000.12.10 |
| E1437A | Modification Recommended | E1437A-01 | External trigger improved | 1999.02.17 |
| E1445A | Modification Recommended | E1445A-01 | Modification corrects unit failure due to reverse-biased capacitors | 1992.09.30 |
| E1446A | Modification Recommended | E1446A-01 | New fuse prevents output from sticking at +24 or -24Vdc rail | 1993.05.31 |
| E1460A | Modification Recommended | E1460A-01 | E1460A may fail to open/close relays because of a defective relay driver IC with date code 0325 | 2009.07.28 |
| E1465A | Modification Recommended | E1465A-01 | E1465A may fail to open/close relays because of a defective relay driver IC with date code 0325 | 2009.07.28 |
| E1466A | Modification Recommended | E1466A-01 | E1466A may fail to open/close relays because of a defective relay driver IC with date code 0325 | 2009.07.28 |
| E1467A | Modification Recommended | E1467A-01 | E1467A may fail to open/close relays because of a defective relay driver IC with date code 0325 | 2009.07.29 |
| E1472A | Modification Recommended | E1472A-01 | Mod prevents erratic operation at elevated temperatures | 1994.08.04 |
| E1474A | Modification Recommended | E1474A-01 | Mod prevents erratic operation at elevated temperatures | 1994.08.04 |
| E1550A | Safety | E1550A-01-S | Due to mismarked input voltage rating, voltages as high as 170 Vrms / 200 Vdc could be present on exposed user accessible connector pins. These voltages also exceed the module circuitry insulation system. These conditions can result in a possible electric shock hazard. | 1994.08.31 |
| E1779A | Modification Recommended | E1779A-01 | Lower the DC Fuse rating | 2002.05.28 |
| E2190A | Safety | 3070-62B-S | Top cover possibly causes pinch hazard | 2002.11.06 |
| E2225A | Modification Available | E2225A-01A | HP-CAS update revision v.1.52 | 1999.02.17 |
| E2225A | Modification Recommended | E2225A-02A | CON2 SRAM Data Loss modification | 1999.02.17 |
| E2225A | Modification Recommended | E2225A-04 | PISA12U Fails at low temperatures | 1999.04.05 |
| E2225A | Modification Recommended | E2225A-05B | HP-CAS patch revision v.1.52 | 1999.06.23 |
| E2228A | Modification Recommended | E2228A-01A | BIOS Update | 2004.05.25 |
| E2228A | Modification Recommended | E2228A-02 | DVD/CD drives must be replaced in noted serial number range | 2004.05.10 |
| E2228A | Modification Recommended | E2228A-04 | System PDU grounding modification for increased measurement accuracy. | 2005.05.18 |
| E2230A | Modification Recommended | E2230A-04 | System PDU grounding modification for increased measurement accuracy | 2005.05.18 |
| E2675A | Modification Recommended | E2675A-01 | All black and early vintage gray nose cones or tips can crack or break | 2009.01.20 |
| E2676A | Modification Recommended | E2676A-01 | All black and early vintage gray nose cones or tips can crack or break | 2009.01.20 |
| E3101A | Modification Recommended | E3101A-01 | 4071A Software Update To Revision 1.1 | 2001.01.07 |
| E3101A | Modification Recommended | E3101A-02 | Firmware Update To Fix the Diag Leak Test Fail | 2001.01.07 |
| E3101A | Modification Recommended | E3101A-03 | Recommended replacement of varistor due to high temperatures | 2001.01.28 |
| E3101A | Modification Recommended | E3101A-04B | Optical communication quality improvement | 1999.02.17 |
| E3101A | Modification Recommended | E3101A-05A | Contact of the terminals of outlets are loose | 1999.04.05 |
| E3101A | Modification Recommended | E3101A-06A | Solution for the breaking of a relay coil | 1999.02.17 |
| E3101A | Modification Recommended | E3101A-07 | Under certain operating conditions, incorrect data is observed | 1998.11.23 |
| E3101A | Modification Recommended | E3101A-10A | All the SMUs show ""another SMU has reached compliance"" | 1999.06.23 |
| E3101A | Modification Recommended | E3101A-12 | Chuck Connection Cable Became Longer | 2000.01.17 |
| E3101A | Modification Recommended | E3101A-13 | 17-inch monitor cannot be fixed on the rack mount kit | 2000.11.07 |
| E3101A | Modification Recommended | E3101A-14 | Display picture may be distorted | 2001.02.07 |
| E3101A | Modification Recommended | E3101A-16A | Power Fail Occurred after Over Current when Using HPSMU | 2001.09.07 |
| E3101A | Modification Available | E3101A-17 | Cable stoppers prevent to loosen extended path cable. | 2002.01.21 |
| E3101B | Modification Recommended | E3101A-16A | Power Fail Occurred after Over Current when Using HPSMU | 2001.07.31 |
| E3102A | Modification Recommended | E3102A-01 | Chuck Connection Cable Became Longer | 2000.01.17 |
| E3102A | Modification Recommended | E3102A-02 | Display picture may be distorted | 2001.02.07 |
| E3102A | Modification Recommended | E3102A-04A | Power fail occurred after over current when using HPSMU | 2001.09.07 |
| E3102A | Modification Recommended | E3102A-05 | Wrong ground fault current setting for 200V PDU. | 2004.02.23 |
| E3102A | Modification Recommended | E3102A-06 | Wrong Ground Fault Current Setting for 200 V PDU | 2006.02.07 |
| E3102A | Modification Recommended | E3102A-08 | When upgrade system controller to C8000 or xr8400 and rack into cabinet, 450mm width or more is required. If less, this service note is available, that is, replace whole cabinet. | 2007.05.17 |
| E3102B | Modification Recommended | E3102B-01 | Wrong ground fault current setting for 200V PDU. | 2004.02.23 |
| E3102B | Modification Recommended | E3102B-02 | Wrong Ground Fault Current Setting for 200 V PDU | 2006.02.07 |
| E3103A | Modification Recommended | E3103A-01 | Display picture may be distorted | 2001.02.07 |
| E3103A | Modification Recommended | E3103A-03A | Power fail occurred after over current when using HPSMU | 2001.09.07 |
| E3103A | Modification Recommended | E3103A-04 | Wrong ground fault current setting for 200V PDU. | 2004.02.23 |
| E3103A | Modification Recommended | E3103A-05 | Wrong Ground Fault Current Setting for 200 V PDU | 2006.02.07 |
| E3103A | Modification Recommended | E3103A-07 | When upgrade system controller to C8000 or xr8400 and rack into cabinet, 450mm width or more is required. If less, this service note is available, that is, replace whole cabinet. | 2007.05.17 |
| E3103B | Modification Recommended | E3103B-01 | Wrong ground fault current setting for 200V PDU. | 2004.02.23 |
| E3103B | Modification Recommended | E3103B-02 | 3458A fails diagnosis DVM test | 2005.10.13 |
| E3103B | Modification Recommended | E3103B-03 | Wrong Ground Fault Current Setting for 200 V PDU | 2006.02.07 |
| E3170A | Modification Recommended | E3170A-01 | Flexible disk drive does not work or BASIC/UX may be unstable | 1998.12.14 |
| E3170AJ | Modification Recommended | E3170AJ-01 | Flexible disk drive does not work or BASIC/UX may be unstable | 1998.12.14 |
| E3171A | Modification Recommended | E3171A-01 | Real time clock may be wrong if you turn off controller AC power | 2002.08.22 |
| E3171AJ | Modification Recommended | E3171AJ-01 | Real-time clock may be wrong if you turn off controller AC power | 2002.08.22 |
| E3452A | Priority Safety | E3452A-01-S | Capacitor may fail causing a potential fire hazard | 1998.10.14 |
| E3459A | Modification Recommended | E3459A-01 | Possible incompatibility between target interface modules | 2000.11.07 |
| E3610A | Modification Recommended | E3610A-01 | Replacing output binding posts improves mechanical performance | 1992.10.31 |
| E3610A | Modification Recommended | E3610A-02 | Mod eliminates V transient above output set during turn-off | 1993.12.31 |
| E3610A | Modification Recommended | E3610A-03 | New voltage control eliminates output voltage overshoot | 1994.10.10 |
| E3610A | Modification Recommended | E3610A-04 | Mod eliminates V transient above output set during turn-off | 1996.03.14 |
| E3610A | Modification Recommended | E3610A-05A | Modification to Eliminate Oscillations during changing load conditions | 2002.06.02 |
| E3610A | Safety | E3610A-06E-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3610A | Modification Recommended | E3610A-07 | This modification is required to eliminate oscillation when the output voltage and/or load conditions are changed. | 2009.11.08 |
| E3611A | Modification Recommended | E3611A-01 | Replacing output binding posts improves mechanical performance | 1992.10.31 |
| E3611A | Modification Recommended | E3611A-02 | Mod eliminates V transient above output set during turn-off | 1993.12.31 |
| E3611A | Modification Recommended | E3611A-03 | Elimination of RF oscillation for lightly loaded supply | 1994.03.10 |
| E3611A | Modification Recommended | E3611A-04 | New voltage control eliminates output voltage overshoot | 1994.10.10 |
| E3611A | Modification Recommended | E3611A-05 | Mod eliminates V transient above output set during turn-off | 1996.03.14 |
| E3611A | Modification Recommended | E3611A-06A | Modification to eliminate output oscillation during changing load conditions. | 2002.06.02 |
| E3611A | Safety | E3611A-07E-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3612A | Modification Recommended | E3612A-01 | Replacing output binding posts improves mechanical performance | 1992.10.31 |
| E3612A | Modification Recommended | E3612A-02 | Mod eliminates V transient above output set during turn-off | 1993.12.31 |
| E3612A | Modification Recommended | E3612A-03 | Mod eliminates V transient above output set during turn-off | 1996.03.14 |
| E3612A | Safety | E3612A-04F-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3614A | Modification Recommended | E3614A-01 | New fuse eliminates intermittent blowing (Opt 0E3) | 1994.01.27 |
| E3614A | Safety | E3614A-02C-S | The AC power module can accidentally come out of the instrument creating a | 2011.01.03 |
| E3615A | Modification Recommended | E3615A-01 | New fuse eliminates intermittent blowing (Opt 0E3) | 1994.01.27 |
| E3615A | Safety | E3615A-02C-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3616A | Modification Recommended | E3616A-01 | New fuse eliminates intermittent blowing (Opt 0E3) | 1994.01.27 |
| E3616A | Modification Recommended | E3616A-02 | Modification to correct possible open circuit | 1997.02.10 |
| E3616A | Safety | E3616A-03C-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3617A | Modification Recommended | E3617A-01 | New fuse eliminates intermittent blowing (Opt 0E3) | 1994.01.27 |
| E3617A | Modification Recommended | E3617A-02 | Modification to correct possible open circuit | 1997.02.10 |
| E3617A | Safety | E3617A-03C-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3620A | Safety | E3620A-06C-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3620A | Modification Recommended | E3620A-07 | The Grey key caps (P/N E3630-40007) may crack overtime. | 2005.08.28 |
| E3630A | Modification Recommended | E3630A-01A | Reliability improvement for supplies that fail in the field | 2000.01.17 |
| E3630A | Modification Recommended | E3630A-02 | Mod to readjust the current limit of the 6V output | 1998.11.23 |
| E3630A | Safety | E3630A-03E-S | The AC power module can accidentally come out of the instrument creating a shock hazard. | 2011.01.03 |
| E3630A | Modification Recommended | E3630A-04 | The Grey key caps (P/N E3630-40007) may crack overtime. | 2005.08.28 |
| E3631A | Modification Recommended | E3631A-01 | New line fuse improves Opt. 0E3 (230 Vac input) | 1996.09.12 |
| E3631A | Modification Recommended | E3631A-02 | Mod removes output undershoot in the +25V power supply | 1996.11.21 |
| E3631A | Modification Recommended | E3631A-03 | Modification reduces VRMS ripple and noise on output | 1998.03.01 |
| E3631A | Modification Available | E3631A-04C | Firmware upgrade to eliminate output offsets in the OFF state | 1999.06.23 |
| E3631A | Modification Recommended | E3631A-05A | How to handle the 6V output defect | 1999.06.23 |
| E3631A | Modification Recommended | E3631A-06 | Transient failure on outputs when utilizing *RST command | 1999.02.17 |
| E3631A | Modification Recommended | E3631A-07 | HP-IB cable retaining screws will not tighten by hand | 1999.06.23 |
| E3631A | Modification Recommended | E3631A-08 | Firmware upgrade to eliminate a transient spike on the outputs | 1999.08.09 |
| E3631A | Modification Recommended | E3631A-09D | +6V output channel shows current drawn without load | 2011.07.26 |
| E3631A | Modification Recommended | E3631A-10 | EPROM contact issue cause display went off when power ON. | 2005.12.19 |
| E3631A | Modification Recommended | E3631A-11 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3631A | Modification Recommended | E3631A-12 | ±25V output channel displays intermittent conductivity to ground terminal | 2011.08.02 |
| E3631A | Modification Available | E3631A-13D | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.10.14 |
| E3632A | Modification Recommended | E3632A-01 | HP-IB cable retaining screws will not tighten by hand | 1999.06.23 |
| E3632A | Modification Recommended | E3632A-02A | Display went off during power On. | 2006.01.25 |
| E3632A | Modification Recommended | E3632A-03 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3632A | Modification Available | E3632A-04D | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.10.14 |
| E3633A | Modification Recommended | E3633A-01 | HP-IB cable retaining screws will not tighten by hand | 1999.06.23 |
| E3633A | Modification Recommended | E3633A-02 | OCP is not functional | 2000.01.17 |
| E3633A | Modification Recommended | E3633A-03 | Display went off during power On. | 2005.12.19 |
| E3633A | Modification Recommended | E3633A-04 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.12 |
| E3633A | Modification Available | E3633A-05D | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.10.14 |
| E3634A | Modification Recommended | E3634A-01 | HP-IB cable retaining screws will not tighten by hand | 1999.06.23 |
| E3634A | Modification Recommended | E3634A-02 | OCP is not functional | 2000.01.17 |
| E3634A | Modification Recommended | E3634A-03 | Display went off during power On. | 2005.12.19 |
| E3634A | Modification Recommended | E3634A-04 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.12 |
| E3634A | Modification Available | E3634A-05C | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.07.08 |
| E3640A | Modification Recommended | E3640A-01 | Display went off during power On. | 2006.03.16 |
| E3640A | Modification Recommended | E3640A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3641A | Modification Recommended | E3641A-01 | Display went off during power On. | 2006.03.16 |
| E3641A | Modification Recommended | E3641A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3642A | Modification Recommended | E3642A-01 | Display went off during power On. | 2006.03.16 |
| E3642A | Modification Recommended | E3642A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3643A | Modification Recommended | E3643A-01 | Display went off during power On. | 2006.03.16 |
| E3643A | Modification Recommended | E3643A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3644A | Modification Recommended | E3644A-01 | Display went off during power On. | 2006.03.16 |
| E3644A | Modification Recommended | E3644A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3645A | Modification Recommended | E3645A-01 | Display went off during power On. | 2006.03.16 |
| E3645A | Modification Recommended | E3645A-02 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3646A | Modification Recommended | E3646A-01A | The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. | 2008.10.29 |
| E3646A | Modification Recommended | E3646A-02 | Display went off during power On. | 2006.03.16 |
| E3646A | Modification Recommended | E3646A-03 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3646A | Modification Available | E3646A-04C | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.07.08 |
| E3647A | Modification Recommended | E3647A-01A | The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. | 2008.10.29 |
| E3647A | Modification Recommended | E3647A-02 | Display went off during power On. | 2006.03.16 |
| E3647A | Modification Recommended | E3647A-03 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3647A | Modification Available | E3647A-04D | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.10.14 |
| E3648A | Modification Recommended | E3648A-01A | The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. | 2008.10.29 |
| E3648A | Modification Recommended | E3648A-02 | Display went off during power On. | 2006.03.16 |
| E3648A | Modification Recommended | E3648A-03 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3648A | Modification Available | E3648A-04C | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.07.08 |
| E3649A | Modification Recommended | E3649A-01A | The Capacitors used in the Circuit Reference (C107, C108, C173 & C174) have been found with cold solder connections | 2008.10.29 |
| E3649A | Modification Recommended | E3649A-02 | Display went off during power On. | 2006.03.16 |
| E3649A | Modification Recommended | E3649A-03 | Difficulty to adjust the knob control on front panel due to encoder issue. | 2007.02.13 |
| E3649A | Modification Available | E3649A-04D | Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting | 2013.10.14 |
| E3910A | Priority Safety | E3910A-02-S | Inadequate ground may cause possible shock hazard | 1994.01.27 |
| E3910B | Priority Safety | E3910B-02-S | Inadequate ground may cause possible shock hazard | 1994.01.27 |
| E3939A | Priority Safety | E3939A-02-S | High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. | 1994.01.02 |
| E3939B | Priority Safety | E3939B-02-S | High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. | 1994.01.02 |
| E3951A | Priority Safety | E3951A-01-S | Mains voltages may be exposed at the rear of the power switch and mains voltages can be accessible during mains fuse replacement. | 1994.09.30 |
| E3980A | Modification Recommended | E3980A-FG-01 | E3980A-FG (SimPlate Fixture Alignment Plates) are used in test fixtures in i3070 test systems. For certain batch, cracks are found near screw hole and other areas after use. | 2022.09.28 |
| E3980A | Priority Safety | E4093B-02-S | Inadequate ground may cause possible shock hazard | 1994.01.27 |
| E4015A | Safety | 3070-45C-S | 3rd Party fixture kits may create a serious pinch hazard | 2003.04.30 |
| E4025A | Priority Safety | 3070-43E-S | Software defects prohibit safety procedures from operating properly | 1999.01.31 |
| E4025A | Priority Safety | 3070-58A-S | Telescoping tube irregularity may cause a potential safety hazard | 2000.12.31 |
| E4025A | Safety | 3070-70-S | Power cord connectors might have intermittant connections | 2003.01.12 |
| E4026AG | Safety | 3070-64G-S | POSSIBLE PINCH HAZARD | 2004.12.05 |
| E4095B | Priority Safety | E4095B-02-S | Inadequate ground may cause possible shock hazard | 1994.01.27 |
| E4100B | Priority Safety | E4100B-02-S | High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. | 1994.01.02 |
| E4350B | Modification Recommended | E4350B-03A | Repair Strategy is Return to AMC. The Peak to Peak Ripple & Noise at 20 kHz, when operated as a Solar Simulator is Out of specification. | 2009.10.28 |
| E4351B | Modification Recommended | E4351B-02 | When the E4351B is operated at high line and no load “C723” may fail. | 2003.11.02 |
| E4351B | Modification Recommended | E4351B-04A | Repair Strategy is Return to AMC The Peak to Peak Ripple & Noise at 20 kHz, when operated as a Solar Array Simulator is Out of specification. | 2009.10.29 |
| E4356A | Modification Recommended | E4356A-01 | Incorrect Capacitor on Control Board | 1999.10.31 |
| E4356A | Modification Recommended | E4356A-02A | Upgrade for ""Unstable"" Current Shunt ""R907"" | 2003.10.20 |
| E4356A | Modification Recommended | E4356A-04 | The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte | 2009.08.18 |
| E4360A | Modification Recommended | E4360A-01 | Due to inductive coupling resulting from the AC and DC cables being tied together, a communication error occurs. | 2011.08.15 |
| E4360A | Modification Recommended | E4360A-04 | Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. | 2019.08.04 |
| E4360A | Modification Recommended | E4360A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| E4360A | Modification Recommended | E4360A-06 | Front Panel Display Flickering | 2022.09.21 |
| E4401B | Safety | E4401B-05-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4401B | Safety | E4401B-05A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4402B | Modification Recommended | E4402B-04 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4402B | Safety | E4402B-05-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4402B | Modification Recommended | E4402B-07 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4402B | Modification Recommended | E4402B-08 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4402B | Modification Recommended | E4402B-09 | Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests | 2001.10.31 |
| E4402B | Modification Recommended | E4402B-10 | Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV | 2002.11.07 |
| E4402B | Modification Recommended | E4402B-11 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E4402B | Modification Available | E4402B-14 | Incorrectly manufacturered transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4402B | Modification Recommended | E4402B-17 | RF compatibility check for the upgrade option B7D/B7E. | 2006.10.16 |
| E4403B | Modification Recommended | E4403B-03 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4403B | Safety | E4403B-04-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4403B | Safety | E4403B-04A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4403B | Modification Recommended | E4403B-06 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4403B | Modification Recommended | E4403B-07 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4403B | Modification Available | E4403B-09 | Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4404B | Modification Recommended | E4404B-03 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4404B | Safety | E4404B-04-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E4404B | Safety | E4404B-04A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4404B | Modification Recommended | E4404B-06 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4404B | Modification Recommended | E4404B-07 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4404B | Modification Recommended | E4404B-08 | Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests | 2001.10.31 |
| E4404B | Modification Recommended | E4404B-09 | Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV | 2002.11.07 |
| E4404B | Modification Recommended | E4404B-10 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E4404B | Modification Available | E4404B-13 | Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4404B | Modification Recommended | E4404B-17 | RF compatibility check for the upgrade option B7D/B7E. | 2006.10.16 |
| E4405B | Modification Recommended | E4405B-03 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4405B | Safety | E4405B-04-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E4405B | Modification Recommended | E4405B-06 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4405B | Modification Recommended | E4405B-07 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4405B | Modification Recommended | E4405B-08 | Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests | 2001.10.31 |
| E4405B | Modification Recommended | E4405B-09 | Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV | 2002.11.07 |
| E4405B | Modification Recommended | E4405B-10 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E4405B | Modification Available | E4405B-13 | Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4405B | Modification Recommended | E4405B-17 | RF compatibility check for the upgrade option B7D/B7E. | 2006.10.16 |
| E4406A | Safety | E4406A-06-S | Left side handle under abnormal or irregular conditions may fail | 1999.12.28 |
| E4406A | Modification Recommended | E4406A-07 | A10 Digital IF Assembly and A22 Processor Assy can become partially unplugged | 2001.06.05 |
| E4407B | Modification Recommended | E4407B-03 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4407B | Safety | E4407B-04-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4407B | Safety | E4407B-04A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4407B | Modification Recommended | E4407B-06 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4407B | Modification Recommended | E4407B-07 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4407B | Modification Recommended | E4407B-08 | Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests | 2001.10.31 |
| E4407B | Modification Recommended | E4407B-09 | Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV | 2002.11.07 |
| E4407B | Modification Recommended | E4407B-10 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E4407B | Modification Available | E4407B-13 | Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4407B | Modification Recommended | E4407B-17 | RF compatibility check for the upgrade option B7D/B7E. | 2006.10.16 |
| E4408B | Modification Recommended | E4408B-03 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4408B | Safety | E4408B-04-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4408B | Safety | E4408B-04A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4408B | Modification Recommended | E4408B-06 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4408B | Modification Recommended | E4408B-07 | Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) | 2002.02.14 |
| E4408B | Modification Available | E4408B-09 | Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. | 2004.04.01 |
| E4411A | Safety | E4411A-22-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4411B | Modification Recommended | E4411B-03 | Frequency response (less than 50kHz) may fail the +/- 0.5dB table 1.1 spec | 2000.10.24 |
| E4411B | Modification Recommended | E4411B-04 | New flex circuit prevents dendrite growth/short circuits | 2000.04.30 |
| E4411B | Safety | E4411B-05-S | Defective handle may cause personal injury or equipment damage | 2000.04.04 |
| E4411B | Safety | E4411B-05A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E4411B | Modification Recommended | E4411B-07 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E4411B | Modification Recommended | E4411B-08 | Firmware Update to Fix High Noise Floor on the Analyzer Screen. | 2002.01.13 |
| E4416A | Modification Available | E4416A-01 | RS422 Serial Communication Interface Disabled | 2001.02.22 |
| E4416A | Safety | E4416A-02B-S | HI-POT procedure for earth leakage and earth continuity | 2013.12.01 |
| E4416A | Modification Recommended | E4416A-04 | Latent Defect Causes Calibrator To Fail Built in Self Test | 2003.02.20 |
| E4416A | Modification Recommended | E4416A-06 | Compatibility Issue With Long Power Sensor Cables | 2004.01.28 |
| E4416A | Modification Recommended | E4416A-10 | Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions | 2005.04.13 |
| E4416A | Modification Recommended | E4416A-11A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4416A | Modification Recommended | E4416A-12A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4416A | Modification Recommended | E4416A-15A | Power Meter Display Shrink | 2010.06.27 |
| E4416A | Modification Recommended | E4416A-16 | Overload Failure in W-CDMA & HSDPA Signal Measurement when RF Input Exceeds -1dBm | 2011.10.02 |
| E4416A | Modification Recommended | E4416A-18 | 1mW Power Reference Failure | 2022.09.18 |
| E4417A | Modification Available | E4417A-01 | RS422 Serial Communication Interface Disabled | 2001.02.22 |
| E4417A | Safety | E4417A-02B-S | HI-POT procedure for earth leakage and earth continuity | 2013.12.01 |
| E4417A | Modification Recommended | E4417A-04 | Latent Defect Causing Calibrator To Fail Built 1n Self Test | 2003.02.20 |
| E4417A | Modification Recommended | E4417A-06 | Compatibility Issue With Long Power Sensor Cables | 2004.01.28 |
| E4417A | Modification Recommended | E4417A-10 | Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions | 2004.04.13 |
| E4417A | Modification Recommended | E4417A-11A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4417A | Modification Recommended | E4417A-12A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4417A | Modification Recommended | E4417A-15 | Overload Failure in W-CDMA & HSDPA Signal Measurement when RF Input Exceeds -1dBm | 2011.10.02 |
| E4417A | Modification Recommended | E4417A-15A | Power Meter Display Shrink | 2010.06.27 |
| E4417A | Modification Recommended | E4417A-18 | Calibrations performed on some Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR(REAR PANEL) test, even if the SWR value is < 1. | 2014.02.24 |
| E4417A | Modification Recommended | E4417A-19 | 1mW Power Reference Failure | 2022.09.18 |
| E4418A | Safety | E4418A-07-S | HI-POT procedure for earth leakage and earth continuity | 2001.06.30 |
| E4418B | Modification Recommended | E4418B-01 | Intermittent GPIB Communication Problems | 2000.01.17 |
| E4418B | Modification Recommended | E4418B-02A | Premature RAM Backup Battery Failure | 2011.12.13 |
| E4418B | Modification Recommended | E4418B-03A | Premature RAM Backup Battery Failure in E4418B option 001 units | 2011.12.13 |
| E4418B | Modification Recommended | E4418B-04A | Remove & Refit Outer Cover To Fix EMI Gasket Issues. | 2003.08.04 |
| E4418B | Modification Recommended | E4418B-05A | GPIB Problems using the E4418B in HP 436A/437B Emulation Modes | 2000.11.06 |
| E4418B | Modification Recommended | E4418B-06 | Defective fuse holder clips in line module | 2000.11.08 |
| E4418B | Modification Recommended | E4418B-07A | Premature RAM Backup Battery Failure | 2003.12.15 |
| E4418B | Safety | E4418B-08A-S | Correct Orientation of the Power Supply’s Force-fit Connector | 2012.01.02 |
| E4418B | Modification Available | E4418B-09 | RS422 Serial communication interface disabled | 2001.02.11 |
| E4418B | Safety | E4418B-10C-S | HI-POT procedure for earth leakage and earth continuity | 2013.12.01 |
| E4418B | Modification Recommended | E4418B-12 | Latent Defect Causing Calibrator To Fail Built in Self Test | 2003.02.20 |
| E4418B | Modification Recommended | E4418B-16 | Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions | 2005.04.13 |
| E4418B | Modification Recommended | E4418B-17A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4418B | Modification Recommended | E4418B-18A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4418B | Modification Recommended | E4418B-20 | Hot plugging problem caused by analog switches (U11) under the measurement board assembly (E4418-60007) | 2008.04.28 |
| E4418B | Modification Recommended | E4418B-22A | Power Meter Display Shrink | 2010.06.27 |
| E4418B | Modification Recommended | E4418B-23 | Calibrations performed on some Single/Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR (REAR PANEL) test, even if the SWR value is < 1. | 2014.02.24 |
| E4419A | Safety | E4419A-08-S | HI-POT procedure for earth leakage and earth continuity | 2001.06.30 |
| E4419B | Modification Recommended | E4419B-02 | Premature RAM Backup Battery Failure | 2000.01.17 |
| E4419B | Modification Recommended | E4419B-03 | Premature RAM Backup Battery Failure | 2000.01.17 |
| E4419B | Modification Recommended | E4419B-04A | Remove & Refit Outer Cover to Fix EMI Gasket Issues | 2003.08.04 |
| E4419B | Modification Recommended | E4419B-05 | GPIB Problems using the E4418B in HP 436A/437B Emulation Modes | 2000.11.06 |
| E4419B | Modification Recommended | E4419B-06 | Defective fuse holder clips in line module | 2000.11.08 |
| E4419B | Modification Recommended | E4419B-07A | Premature RAM Backup Battery Failure | 2003.12.15 |
| E4419B | Safety | E4419B-08A-S | Correct Orientation of the Power Supply’s Force-fit Connector | 2012.01.02 |
| E4419B | Modification Available | E4419B-09 | RS422 serial communication interface disabled | 2001.02.12 |
| E4419B | Safety | E4419B-10C-S | HI-POT procedure for earth leakage and earth continuity | 2013.12.01 |
| E4419B | Modification Recommended | E4419B-12 | Latent Defect Causes Calibrator To Fail Built in Self Test | 2003.02.20 |
| E4419B | Modification Recommended | E4419B-16 | Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions | 2005.04.13 |
| E4419B | Modification Recommended | E4419B-17A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4419B | Modification Recommended | E4419B-18A | Front Panel Display Problems Caused by Power Assembly Cable | 2005.12.04 |
| E4419B | Modification Recommended | E4419B-19B | Hot plugging problem caused by analog switches (U11) under the measurement board assembly (E4418-60007) | 2008.04.27 |
| E4419B | Modification Recommended | E4419B-22A | Power Meter Display Shrink | 2010.06.27 |
| E4419B | Modification Recommended | E4419B-23 | Calibrations performed on some Single/Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR(REAR PANEL) test, even if the SWR value is < 1. | 2014.02.24 |
| E4428C | Modification Available | E4428C-03A | DC blocking capacitor, from RLC supplier may cause a power drop of approximately 20dBm | 2007.09.10 |
| E4428C | Modification Recommended | E4428C-09B | OLD Power supply warranted replacement on failure. | 2010.04.06 |
| E4428C | Modification Recommended | E4428C-11A | Intermittent CPU boot-up and/or No display | 2011.06.01 |
| E4428C | Modification Recommended | E4428C-13 | For the DC FM Carrier Offset test, when the 10 MHz reference is not connected between the ESG-C and the Frequency Counter, all measurement results will be zero. | 2014.05.18 |
| E4438C | Modification Recommended | E4438C-01 | Replace A11 BER Board Assembly to correct Clock/Gate Delay. | 2002.05.06 |
| E4438C | Modification Recommended | E4438C-07 | Failure symptom is rebooting repeatedly or power cycling. This problem is intermittent and can be associated to the CPU board. | 2005.03.23 |
| E4438C | Modification Recommended | E4438C-09 | Error Message may appear on in the E4438C error que while the unit is booting up. | 2005.11.03 |
| E4438C | Modification Recommended | E4438C-11 | Fails Residual FM performance test.This service note only applies to instruments that do not have the Base band generator option (001, 002, 601 or 602) installed and are not option UNJ. | 2005.11.27 |
| E4438C | Modification Available | E4438C-14A | Customers with E4438C’s with failing Frac-N assembly, E8251-60044 are eligible to have their product repaired at Agilent’s expense until 1NOV2007. | 2006.10.24 |
| E4438C | Modification Available | E4438C-15A | Customers with E4438C’s with failing Hard disk drives E4400-60253 are eligible to have their product repaired at Agilent’s expense. | 2007.06.25 |
| E4438C | Modification Recommended | E4438C-16 | E4438C units with option 300 which are used in base station test system have experienced intermittent PDCH sync lock errors while using the 10 MHz out connection as the reference for another device. | 2007.01.22 |
| E4438C | Modification Available | E4438C-18A | DC blocking capacitor, from RLC supplier may cause a power drop of approximately 20dBm | 2007.09.10 |
| E4438C | Modification Recommended | E4438C-23A | Intermittent CPU boot-up and/or No display | 2011.06.01 |
| E4438C | Modification Recommended | E4438C-26 | For the DC FM Carrier Offset test, when the 10 MHz reference is not connected between the ESG-C and the Frequency Counter, all measurement results will be zero. | 2014.05.18 |
| E4440A | Modification Available | E4440A-16 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.06.25 |
| E4440A | Modification Recommended | E4440A-20 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4443A | Modification Available | E4443A-15 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.06.25 |
| E4443A | Modification Recommended | E4443A-19 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4445A | Modification Available | E4445A-15 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.06.25 |
| E4445A | Modification Recommended | E4445A-19 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4446A | Modification Recommended | E4446A-07 | Instruments with Firmware version A.05.06 may fail frequency response above 26.4 GHz or above. This issue is only observed with PSA Firmware version A.05.06. | 2004.03.28 |
| E4446A | Modification Available | E4446A-09 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.07.16 |
| E4446A | Modification Recommended | E4446A-13 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4447A | Modification Available | E4447A-01 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.06.25 |
| E4447A | Modification Recommended | E4447A-04 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4448A | Modification Recommended | E4448A-01 | A12 LO Synthesizer Board may require memory initialization | 2002.09.29 |
| E4448A | Modification Recommended | E4448A-08 | Instruments with Firmware version A.05.06 may fail frequency response above 26.4 GHz or above. This issue is only observed with PSA Firmware version A.05.06. | 2004.03.28 |
| E4448A | Modification Available | E4448A-11 | Tuned RF Level Range 2 to Range 3 Switching Time Improvement | 2008.06.25 |
| E4448A | Modification Recommended | E4448A-15 | Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly | 2010.08.17 |
| E4456B | Modification Recommended | E4456B-01 | Mod to replace incorrect 110V relays in 220-240V units | 2000.11.08 |
| E4915A | Priority Safety | E4915A-03-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| E4916A | Priority Safety | E4916A-03-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| E4980A | Modification Recommended | E4980A-01B | Power supply for E4980A might be defective due to its design | 2014.02.13 |
| E4980A | Priority Safety | E4980A-02B-S | There is an unlikely possibility of an electrical shock hazard | 2007.03.18 |
| E4980A | Safety | E4980A-02D-S | There is an unlikely possibility of an electrical shock hazard | 2023.02.26 |
| E4980A | Modification Recommended | E4980A-03 | Firmware update to fix the problem that “*OPC?” command returns “+1” | 2006.10.04 |
| E4980A | Modification Recommended | E4980A-04 | Firmware update to fix “:LIST:STM:TYPE command error | 2006.10.04 |
| E4980A | Modification Recommended | E4980A-05 | Firmware update to fix the problem that E43 may be displayed while open/short correction is performed | 2006.10.04 |
| E4980A | Modification Available | E4980A-06 | The E4980A freezes when receiving “FETCh?” immediately after Open/Short compensation. | 2007.12.02 |
| E4980A | Modification Recommended | E4980A-16A | E4980A cannot power on due to PSU malfunction | 2019.07.01 |
| E4980A | Modification Recommended | E4980A-20 | E4980A/AL Keypad Stuck While Using Instrument | 2021.10.13 |
| E4980AL | Modification Recommended | E4980AL-09A | E4980AL cannot power on due to PSU malfunction | 2019.07.01 |
| E4980AL | Modification Recommended | E4980AL-13 | E4980A/AL Keypad Stuck While Using Instrument | 2021.10.13 |
| E4981A | Modification Recommended | E4981A-06 | Overload error occurs while Autor-anging with low temperature | 2015.06.04 |
| E4981A | Modification Recommended | E4981A-07A | E4981A cannot power on due to PSU malfunction | 2019.07.01 |
| E4981A | Modification Recommended | E4981A-09B | D value deviation issue | 2019.07.21 |
| E4981A | Modification Recommended | E4981A-10 | C value deviation issue at 1MHz, 1pF range, 1m/2m cable | 2019.10.21 |
| E4981A | Modification Recommended | E4981A-12 | E4981A Keypad Stuck While Using Instrument | 2021.10.13 |
| E4990A | Modification Recommended | E4990A-01 | Incorrect data in touchstone file (S1P file) | 2015.04.08 |
| E4991A | Modification Recommended | E4991A-03 | Abrupt hang-up in continuous measurements | 2007.02.06 |
| E4991B | Information Only | E4991B-06A | E4991BU Option 007 Temperature Characteristic Test Kit Installation Procedure | 2023.04.10 |
| E5000A | Priority Safety | E5000A-01-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| E5010B | Modification Recommended | E5010B-01 | Modification for the trouble | 2002.11.04 |
| E5022B | Modification Recommended | E5022B-02 | Measurements related to the E5038A operation may be performed incorrectly | 2004.10.18 |
| E5023A | Modification Recommended | E5023A-02 | No write signal output from the E5043A Head Amplifier Control Unit. | 2002.11.06 |
| E5023A | Modification Recommended | E5023A-03 | Replace E5037C/D Data Generator Module when it does not output Ref Out signal,(10 MHz). | 2004.03.14 |
| E5023A | Modification Recommended | E5023A-04 | Measurements related to the E5038B operation may be performed incorrectly. | 2004.10.18 |
| E5052A | Modification Recommended | E5052A-01 | One or two units might have been shipped with wrong keypad rubber | 2004.09.20 |
| E5052A | Modification Recommended | E5052A-02 | Abnormal Shutdown due to Power Supply Voltage drop | 2006.04.09 |
| E5052A | Modification Recommended | E5052A-03 | A2 Board Not Seated in the Slot Properly | 2006.05.09 |
| E5052A | Modification Recommended | E5052A-06 | When step attenuaotor on A1 board fails, replace with A1 board. | 2007.07.22 |
| E5052A | Modification Recommended | E5052A-07 | Tripping issue of GFI (Ground Fault Interrupter. | 2008.05.12 |
| E5053A | Modification Recommended | E5053A-01 | Power supply for E5053A might be defective due to its design | 2006.07.25 |
| E5055A | Information Only | E5055A-01 | How to handle optional licenses which customers purchased in return to factory (RTF) process | 2023.02.20 |
| E5055A | Modification Recommended | E5055A-02 | DDS modification to improve performance | 2023.03.02 |
| E5060A | Priority Safety | E5060A-01-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| E5061A | Modification Recommended | E5061A-02A | One or two units might have been shipped with wrong keypad rubber | 2004.09.20 |
| E5061A | Modification Recommended | E5061A-03B | A1 source board failure due to external DC voltage transient | 2007.03.25 |
| E5061A | Modification Recommended | E5061A-04A | A2 receiver board fails System Dynamic Range specification due to a very few clock signal generation component might not work properly. | 2006.07.30 |
| E5061A | Modification Recommended | E5061A-05 | “PLL Unlock” Error Message due to A21 Analog Interface Board Failure | 2006.10.24 |
| E5061A | Modification Available | E5061A-07 | "To strengthen the front USB receptacle, add USB receptacle retention plate" | 2009.10.29 |
| E5061A | Modification Available | E5061A-08B | Source level might decrease gradually and become out of spec. | 2013.06.19 |
| E5061A | Modification Recommended | E5061A-09 | Tripping issue of GFI (Ground Fault Interrupter) | 2010.05.13 |
| E5061B | Modification Recommended | E5061B-02 | A screw for heat sink of CPU board might become loosened. | 2010.04.20 |
| E5061B | Modification Recommended | E5061B-05 | Compatibility issue between Touch Screen Controller and HDD | 2012.02.28 |
| E5062A | Modification Recommended | E5062A-02A | One or two units might have been shipped with wrong keypad rubber | 2004.09.20 |
| E5062A | Modification Recommended | E5062A-03B | A1 source board failure due to external DC voltage transient | 2005.10.19 |
| E5062A | Modification Recommended | E5062A-04A | A2 receiver board fails System Dynamic Range specification due to a very few | 2006.07.30 |
| E5062A | Modification Recommended | E5062A-05 | “PLL Unlock” Error Message due to A21 Analog Interface Board Failure | 2006.10.24 |
| E5062A | Modification Available | E5062A-07 | "To strengthen the front USB receptacle, add USB receptacle retention plate" | 2009.10.29 |
| E5062A | Modification Available | E5062A-08B | Source level might decrease gradually and become out of spec. | 2013.06.19 |
| E5062A | Modification Recommended | E5062A-09 | Tripping issue of GFI (Ground Fault Interrupter) | 2010.05.13 |
| E5063A | Modification Recommended | E5063A-16 | Internal circuit short of A3 board | 2019.07.09 |
| E5070B | Modification Recommended | E5070B-01 | Handler I/O pin's threshold may be out of typical characteristics. | 2003.01.29 |
| E5070B | Modification Recommended | E5070B-06E | Change the RF signal path configuration and update firmware to 5.02 or later to improve the input damage level tolerance | 2007.04.19 |
| E5070B | Modification Recommended | E5070B-09A | One or two units might have been shipped with wrong keypad rubber | 2004.09.20 |
| E5070B | Modification Recommended | E5070B-11A | Boot Up Failures at Power-On Require Replacement of 10 GB Hard Disk Drive | 2007.05.29 |
| E5070B | Modification Recommended | E5070B-13 | “PLL Unlock” Error Message due to A21 Analog Interface Board Failure | 2006.10.04 |
| E5070B | Modification Recommended | E5070B-14 | Firmware update is failed with CP300 HDD image, while updating firmware to FW Rev.A.08.00 or later | 2007.03.05 |
| E5070B | Modification Available | E5070B-17 | To strengthen the front USB receptacle, add USB receptacle retention plate. | 2009.11.10 |
| E5070B | Modification Recommended | E5070B-18 | Tripping issue of GFI (Ground Fault Interrupter) | 2010.05.13 |
| E5071B | Modification Recommended | E5071B-01 | Handler I/O pin's threshold may be out of typical characteristics. | 2003.01.29 |
| E5071B | Modification Available | E5071B-03B | Install security patches to protect E5070B/E5071B operating system,(OS), aganist ""Blaster Worm"" and ""Sasser Worm"" infection. | 2004.07.12 |
| E5071B | Modification Recommended | E5071B-06E | Change the RF signal path configuration and update firmware to 5.02 or later to improve the input damage level tolerance | 2007.04.19 |
| E5071B | Modification Recommended | E5071B-09A | One or two units might have been shipped with wrong keypad rubber | 2004.09.20 |
| E5071B | Modification Recommended | E5071B-11A | Boot Up Failures at Power-On Require Replacement of 10 GB Hard Disk Drive | 2007.05.29 |
| E5071B | Modification Recommended | E5071B-13 | “PLL Unlock” Error Message due to A21 Analog Interface Board Failure | 2006.10.04 |
| E5071B | Modification Recommended | E5071B-14 | Firmware update is failed with CP300 HDD image, while updating firmware to FW Rev.A.08.00 or later | 2007.03.05 |
| E5071B | Modification Available | E5071B-17 | To strengthen the front USB receptacle, add USB receptacle retention plate. | 2009.11.10 |
| E5071B | Modification Recommended | E5071B-18 | Tripping issue of GFI (Ground Fault Interrupter) | 2010.05.13 |
| E5071C | Modification Available | E5071C-02 | "To strengthen the front USB receptacle, add USB receptacle retention plate" | 2009.10.28 |
| E5071C | Modification Recommended | E5071C-03B | Tripping issue of GFI (Ground Fault Interrupter) | 2013.06.05 |
| E5071C | Modification Recommended | E5071C-06 | The S11 trace shows strange spurs at 68M to 2.1G, when the E5071C operator changes stop frequency to 6G, 6.5G, 7G etc. | 2010.08.08 |
| E5071C | Modification Recommended | E5071C-08 | The measurement data is unstable due to a Receiver Port degradation, though a user performs calibration. | 2010.10.17 |
| E5071C | Modification Available | E5071C-19A | Boot up failure (2 LED issue) due to condensation | 2012.07.16 |
| E5071C | Modification Recommended | E5071C-25A | Some units might be missing one piece of 2GB RAM in the CPU Module | 2015.03.23 |
| E5071C | Modification Recommended | E5071C-26A | Phase shifts 180 degree, due to the mixture of RoHS receiver board and non- RoHS receiver board | 2013.06.19 |
| E5071C | Modification Recommended | E5071C-39A | Black screen is shown during boot-up due to DSP failure | 2014.09.16 |
| E5071C | Modification Recommended | E5071C-54 | E5071C SSD SATA Cable Installation Enhancement for Fixed Data Storage (Opt-019) | 2019.08.22 |
| E5071C | Modification Recommended | E5071C-57 | Unstable (jumping) signal on preset, due to A86 Doubler board failure | 2022.02.01 |
| E5080A | Modification Recommended | E5080A-04A | Phaselock lost error occurs | 2016.12.14 |
| E5080B | Modification Recommended | E5080B-01 | E5080B LVDS Cable Installation Enhancement | 2019.09.09 |
| E5080B | Modification Recommended | E5080B-15 | E5080B Automatically restart by itself when it is being powered-off. | 2020.11.30 |
| E5080B | Information Only | E5080B-22 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| E5080B | Modification Recommended | E5080B-23 | Acoustic sound from PSU | 2023.12.06 |
| E5080B | Modification Recommended | E5080B-23A | Acoustic sound from PSU | 2023.12.13 |
| E5091A | Modification Recommended | E5091A-01 | Correction to Maximum AC Power Consumption label | 2002.11.19 |
| E5091A | Modification Recommended | E5091A-04 | Voltage output of Control Line Pin-12 cannot be output due to A3 failure. | 2007.02.12 |
| E5100A | Modification Recommended | E5100A-01 | Modification to fix marker target search problem | 1995.12.31 |
| E5100A | Modification Recommended | E5100A-02 | Mod fixes I/O Port-C data error | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-03 | Mod fixes floppy disk ""Media Uninitialized"" problem | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-04 | Mod fixes ""Inpuform"",""Inpurad"", and ""Inpudata"" command errors | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-05 | Mod fixes output trace data error | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-06 | Mod eliminates excessive beeper sound | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-07 | Mod fixes input crosstalk test failure | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-08 | Mod fixes incorrect query response for Input 1 port | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-09 | Mod fixes error caused by ""Autorec"" file in the floppy disk | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-10 | Mod fixes ""-225 out of memory"" error in saving inst data | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-11 | Mod fixes incorrect RQS bit data in Status Byte resistor | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-12 | Mod prevents unit from hanging up when SMOOTHING is on | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-13 | Mod fixes EQUCO? command that returns negative value | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-14 | Mod prvnts unit frm hanging up when chan numb set to 3 or 4 | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-15 | Mod improves unstable phase trace in absolute measurement | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-16 | Mod fixes problem where cannot recall saved trace data | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-17 | Mod fixes cal interpolation prob when used with a test set | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-18 | Mod fixes problem that marker does not respond correctly | 1996.09.12 |
| E5100A | Modification Recommended | E5100A-19 | Modification improves brightness problem | 1998.03.01 |
| E5100A | Modification Recommended | E5100A-20 | Mod to fix ""EQUCO?"" command problem in admittance display format | 1998.10.07 |
| E5100A | Modification Recommended | E5100A-21 | Mod to fix ""PROG:STAT?"" command error in IEEE 64-bit floating point transfer format | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-22 | Mod to fix incorrect group delay trace data at first sweep point | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-23 | Mod to imrove rotary knob's data adjustment resolution in measuring at narrow sweep span | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-24 | Firmware update to fix output setting port on option 003 switched RF | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-25 | Mod to fix ""FAIL"" message problem | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-26 | Mod to fix list table editor problem when NOP is set over 801 | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-27 | Mod to fix incorrect bionary data transfer controlled through instrument BASIC | 1998.11.23 |
| E5100A | Modification Recommended | E5100A-28 | Mod to fix incorrect measurement data problem | 1998.11.23 |
| E5100A | Priority Safety | E5100A-30-S | A broken AC inlet may potentially result in a electric shock hazard | 2000.08.31 |
| E5100A | Modification Recommended | E5100A-31A | Source failure with LOW or NO Output Signal. | 2002.05.01 |
| E5100A | Modification Recommended | E5100A-32 | "BLIGHT OFF" GP-IB command problem | 2001.07.31 |
| E5100A | Modification Recommended | E5100A-35 | Residual response failed around 23.9 MHz and 39.9 MHz | 2007.12.11 |
| E5100B | Priority Safety | E5100B-30-S | A broken AC inlet may Potentially result in a electric shock hazard. | 2000.08.31 |
| E5250A | Modification Recommended | E5250A-01 | New firmware prevents relay test failures of normal modules | 1996.09.12 |
| E5250A | Modification Recommended | E5250A-02 | New firmware corrects Auto Config mode connection problem | 1996.11.21 |
| E5250A | Modification Recommended | E5250A-05 | Solution for the breaking of a relay coil | 1999.02.17 |
| E5250A | Modification Recommended | E5250A-06 | Overstressed power supply transistor causes the E5250A to not turn on | 2000.11.01 |
| E5250A | Modification Recommended | E5250A-07 | E5250A automatically shuts down if over 200 V is applied to AC input. | 2003.10.27 |
| E5270A | Modification Recommended | E5270A-01 | SMU Module may be intermittently unrecognized | 2003.03.25 |
| E5270B | Modification Recommended | E5270B-03 | Unexpected noise output from HRSMU/MPSUM on specified condition | 2009.03.29 |
| E5272A | Modification Recommended | E5272A-01 | SMU module may be intermittently unrecognized | 2003.03.25 |
| E5273A | Modification Recommended | E5273A-01 | SMU module may be intermittently unrecognized | 2003.03.25 |
| E5505A | Modification Available | E5505A-01 | “Moving PCI cards inside Kontron PC for better airflow” | 2011.07.24 |
| E5515B | Modification Recommended | E5515B-01 | Incorrect Output Levels Requires Replacement of RTI EEPROMs | 2000-11 |
| E5515C | Modification Recommended | E5515C-12 | Fail to mate the cable on the rear panel “digital bus” connector/Failure is due to an extra washer to be added under the screw on the rear panel | 2009.06.17 |
| E5515T | Modification Recommended | E5515C-04B | Mobile Phone Protocol Failures or Dropped Calls Require Replacement of the Demod Down Converter (DDC) | 2005.08.17 |
| E5515T | Modification Recommended | E5515C-08 | Power Measurement Accuracy Degradation Requires Replacement of RF Interface | 2006.07.30 |
| E5515T | Modification Recommended | E5515C-09 | Failure to Power Up or Audio Analyzer/Source Failures | 2007.01.31 |
| E5515T | Modification Recommended | E5515C-100B | Recover-On-Failure (ROF) Program for Multiple Module Identification, Replacement and Test Verification | 2006.11.08 |
| E5810A | Modification Available | E5810A-01 | Firmware Upgrade (version A.01.04): Performance Improvement | 2007.11.15 |
| E5810A | Modification Recommended | E5810A-02 | E5810A Hang Upon Turned On Due To Power Supply Failure | 2010.04.19 |
| E5810A | Modification Recommended | E5810A-03A | E5810A Hang Upon Turned On | 2014.11.23 |
| E5904B | Modification Recommended | E5904B-01 | Incorrect component values in pwer supply | 2001.08.22 |
| E6000B | Modification Recommended | E6000B-02 | Firmware Update to fix hang-up problem after boot cycle in application screen | 2003.10.22 |
| E6000C | Modification Recommended | E6000C-02 | Firmware Update to fix hang-up problem after boot cycle in application screen | 2003.10.22 |
| E6198A | Safety | E6198A-01-S | The SLU internal power supply without protective cover is potentially accessible by users when the unused slots are not covered by faceplates. | 2008.09.25 |
| E6198A | Modification Available | E6198A-02 | The SLU internal power supply cable with higher current rating (E6170-61601) is available for customers using heavy load switching applications which draw high current from the power supply. | 2008.12.16 |
| E6198A | Modification Recommended | E6198A-03 | The SLU internal power supply cable with higher current rating (E6170-61601) is recommended for customers using heavy load switching applications which draw high current from the power supply. | 2008.12.16 |
| E6198A | Modification Available | E6198A-04A | Enhancement solution is available to SLU backplane discoloration issue by removing the preload resistors from backplane. | 2012.01.20 |
| E6198B | Modification Recommended | E6198B-01 | The existing QuickUSB driver (version 2.14/2.15.1) used with the E6198B Keysight Switch/Load Unit (SLU) via the USB interface, is causing memory leak and resulting in aborted tests. | 2020.06.16 |
| E6392A | Modification Recommended | E6392A-01 | Upgrade to Firmware Rev. A.01.10 or later | 2000.11.02 |
| E6392A | Modification Recommended | E6392A-02 | Potential stress crack in the rear foot | 2000.11.12 |
| E6392B | Modification Recommended | E6392B-01 | Potential stress crack in the rear foot | 2000.11.12 |
| E6393A | Modification Recommended | E6393A-01 | Firmware Rev A.01.12 has a problem in RFCH handoff. | 2002.01.16 |
| E6393A | Modification Recommended | E6393A-02 | The wrong jumper setting causes Printer Port failure. | 2002.04.02 |
| E6393A | Modification Recommended | E6393A-03A | Aging Rate going to be out of specifications | 2002.07.11 |
| E6452A | Modification Recommended | E6452A-01 | Firmware upgrade and calibration required | 1999.06.30 |
| E6601A | Modification Recommended | E6601A-01 | Recover On-Failure (ROF) Program for CISPR 11 radiated emissions test failure. | 2007.12.13 |
| E6607A | Modification Recommended | E6607A-02A | Replace RF connector block assembly upon failure. RF Connectors coming loose from the RF connector block due to over tightening cable onto connector and insufficient loctite used during connector assembly | 2013.04.17 |
| E6607C | Modification Recommended | E6607C-01 | High failure rates of the DC/DC converters on the E6607C Source boards. E6607C Source boards E6607-61850 use a larger heat sink. The weight of the larger heat sink results in the board to vibrate more in transit. The increase flexing of the board causes the DC/DC converters to have cracked solder joints which causes a higher fail rate | 2014.08.06 |
| E6621A | Modification Recommended | E6621A-01 | Downgrading E6621A Software (Firmware) May Affect Instrument Accuracy | 2013.01.01 |
| E6640A | Modification Recommended | E6640A-01 | E6640A units using V9077B/Y9077B WLAN measurement application. Using EXM to make SEM measurement for 80MHz WLAN signal with 240MHz span, because EXM has no image protection, the DUT 1812GHz spur and 5GHz spur get mixed into the SEM span range and cause high SEM failure rate for customer DUT. | 2018.02.13 |
| E6640A | Modification Recommended | E6640A-04 | When replacing an M9037A with the new M9035A you will have to replace the M9018A/B chassis with a new M9019A chassis and load firmware version E.28.09 or greater. Charges only apply to the cost of the new M9019A chassis when no more M9037A parts are available | 2022.11.06 |
| E6651A | Priority Safety | E6651A-01-S | Defective handle may cause personal injury or equipment damage | 2008.04.23 |
| E6651A | Modification Recommended | E6651A-02 | Handle fixings fitted with incorrect torque setting. | 2008.07.20 |
| E6651A | Modification Recommended | E6651A-03 | Instrument Display Not Properly Aligned | 2009.11.30 |
| E6680A | Modification Recommended | E6680A-01 | F1 & F2 fuses open potentially due to the current / voltage overshoot during E6680A power on. Causing the E6680A application not to start and the M9414A module to be detected in IO connection expert. | 2022.03.01 |
| E6680A | Modification Recommended | E6680A-02 | E6680A displays poor TX EVM results due to low power out. Also, can be displayed as self-test failures on the 11 volts supply. | 2022.09.25 |
| E6680A | Modification Recommended | E6680A-03 | Units are missing the input level warning label | 2022.11.09 |
| E6680E | Modification Recommended | E6680E-01 | Units are missing the input level warning label | 2022.11.09 |
| E7401A | Safety | E7401A-03-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E7401A | Safety | E7401A-03A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E7401A | Modification Recommended | E7401A-08A | Firmware Update Required | 2006.05.07 |
| E7402A | Safety | E7402A-03-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E7402A | Safety | E7402A-03A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E7402A | Modification Recommended | E7402A-05 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E7402A | Modification Recommended | E7402A-06 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E7402A | Modification Recommended | E7402A-07 | Instruments that have firmware revision less than or equal to A.02 will fail frequency response performance tests | 2002.02.14 |
| E7402A | Modification Recommended | E7402A-09A | Firmware Update Required | 2006.05.07 |
| E7402A | Modification Recommended | E7402A-12 | The front panel flex circuits within this serial range can grow dendrites under certain environmental conditions, which can ultimately short out traces causing the front panel keys on the analyzer not to function. | 2009.09.06 |
| E7403A | Safety | E7403A-03-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E7403A | Safety | E7403A-03A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E7403A | Modification Recommended | E7403A-09A | Firmware Update Required | 2006.05.07 |
| E7404A | Safety | E7404A-03-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E7404A | Safety | E7404A-03A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E7404A | Modification Recommended | E7404A-09A | Firmware Update Required | 2006.05.07 |
| E7405A | Safety | E7405A-03-S | Defective handle may cause personal injury or equipment damage | 2000.02.29 |
| E7405A | Safety | E7405A-03A-S | Defective handle may cause personal injury or equipment damage | 2023.06.29 |
| E7405A | Modification Recommended | E7405A-05 | Intermittent screen "flicker" due to a cold solder joint | 2000.12.31 |
| E7405A | Modification Recommended | E7405A-06 | Replace Micron DRAM SIMMS from the A4, CPU assembly | 2002.02.14 |
| E7405A | Modification Recommended | E7405A-07 | Instruments that have firmware revision less than or equal to A.02 will fail frequency response performance tests | 2002.02.14 |
| E7405A | Modification Recommended | E7405A-09A | Firmware Update Required | 2006.05.07 |
| E7405A | Modification Recommended | E7405A-12 | The front panel flex circuits within this serial range can grow dendrites under certain environmental conditions, which can ultimately short out traces causing the front panel keys on the analyzer not to function. | 2009.09.06 |
| E7515A | Modification Recommended | E7515A-01C | Modify the Embedded PC to improve boot reliability. | 2017.08.15 |
| E7515A | Modification Recommended | E7515A-02 | Replace Intermittent Front Panel On/Off Switch | 2015.04.16 |
| E7515A | Modification Recommended | E7515A-03 | During boot-up, all UXMs running FW version 1.3.2.0 or lower, contain a risk of corrupting the flash memory on the Signal Processing Module (SPM). | 2016.02.16 |
| E7515A | Modification Recommended | E7515A-04 | Cable ties installed to secure USB internal connections. | 2016.02.09 |
| E7515A | Modification Recommended | E7515A-06A | Customer Recovery Image is Deprecated - minimum recommended UXM software version is 1.4.3.0 | 2017.05.07 |
| E7515A | Safety | E7515A-07B-S | Power Supply Module (PSM) has insufficient insulation between mains circuits and ground. | 2017.10.02 |
| E7515B | Modification Recommended | E7515B-01A | Possible Power Supply failure requires the replacement of the E7515B 5V power supply regulator. | 2021.05.05 |
| E7515B | Modification Recommended | E7515B-02 | New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. | 2020.10.25 |
| E7515B | Modification Recommended | E7515B-02A | New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. | 2022.12.06 |
| E7515E | Modification Recommended | E7515E-01 | New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. | 2021.11.28 |
| E7571A | Modification Available | E7571A-01 | Input Level Conditioning circuitry improvments | 2000.01.17 |
| E7571A | Modification Available | E7571A-02 | Crosstalk performance improvements | 2000.01.17 |
| E7572A | Modification Available | E7572A-01 | Input Level Conditioning circuitry improvments | 2000.01.17 |
| E7572A | Modification Available | E7572A-02 | Crosstalk performance improvements | 2000.01.17 |
| E7573A | Modification Available | E7573A-01 | Crosstalk performance and Input Level conditioning improvements | 2000.01.17 |
| E7900A | Safety | E7900A-01-S | Potential power supply failure | 2007.09.26 |
| E7907A | Modification Available | E7907A-02 | Remedy for occasional failure to start | 2002.11.06 |
| E7907A | Modification Recommended | E7907A-03 | Sometimes E7907A fails to power up. | 2002.11.08 |
| E7912A | Safety | E7912A-01-S | Potential power supply failure | 2007.09.26 |
| E7917A | Modification Recommended | E7917A-03 | Sometimes E7917A fails to power up. | 2002.11.12 |
| E8241A | Modification Recommended | E8241A-09 | When replacing an analog power supply (0955-3700), replace the screws on the bottom of the power supply with shorter screws. | 2005.08.21 |
| E8241A | Modification Recommended | E8241A-10 | New power sensor to be used with Agilent N7820A PSG Calibration Application Software | 2005.10.11 |
| E8244A | Modification Recommended | E8244A-09 | When replacing an analog power supply (0955-3700), replace the screws on the | 2005.08.21 |
| E8247C | Modification Recommended | E8247C-01 | Suspect serial numbers of 5087-7061 (A30 Mod/Filter), with possible reliability problem. | 2003.09.24 |
| E8247C | Modification Recommended | E8247C-11 | When replacing an analog power supply (0955-3700), replace the screws on the | 2005.08.21 |
| E8247C | Modification Recommended | E8247C-12 | New power sensor to be used with Agilent N7820A PSG Calibration Application | 2005.10.11 |
| E8251A | Modification Recommended | E8251A-10 | When replacing an analog power supply (0955-3700), replace the screws on the | 2005.08.21 |
| E8251A | Modification Recommended | E8251A-11 | New power sensor to be used with Agilent N7820A PSG Calibration Application Software | 2005.10.11 |
| E8254A | Modification Recommended | E8254A-10 | When replacing an analog power supply (0955-3700), replace the screws on the bottom of the power supply with shorter screws. | 2005.08.21 |
| E8257C | Modification Recommended | E8257C-12 | Power offset in the Agilent N7800A Test Management Environment Software for power measurements > 0 dBm | 2005.08.16 |
| E8257C | Modification Recommended | E8257C-14 | New power sensor to be used with Agilent N7820A PSG Calibration Application | 2005.10.11 |
| E8257D | Modification Recommended | E8257D-02 | Possible poor solder on CPU U4 causing power to cycle. | 2005.03.24 |
| E8257D | Modification Recommended | E8257D-03 | Incorrect voltage rating on the Analog Mod Gen capacitor C480 | 2005.03.25 |
| E8257D | Modification Recommended | E8257D-08 | When replacing an analog power supply (0955-3700), replace the screws on the | 2005.08.21 |
| E8257D | Modification Available | E8257D-17D | Instrument failing self-test 704 | 2019.11.17 |
| E8257D | Modification Recommended | E8257D-20 | Firmware C.05.01 overwriting attenuator cal data in E8257D with options 550 + 1E1 or 567 + 1E1 included in the option string | 2008.01.02 |
| E8257D | Modification Recommended | E8257D-21A | E8257D found to have the same MAC address that can cause the IP conflict when they are connects to the same local network. | 2008.03.13 |
| E8257D | Modification Recommended | E8257D-22 | Intermittent power supply shutdown | 2008.02.14 |
| E8257D | Modification Recommended | E8257D-27 | Instruments with option UNY failing self-test 723: FracN test | 2011.03.01 |
| E8257D | Modification Recommended | E8257D-31A | Instrument failing self test 300 with E4423-60018 Ref Board | 2015.01.19 |
| E8257D | Modification Recommended | E8257D-32 | Instrument unable to connect via remote access on Internet Browser when entering the IP address. | 2017.11.28 |
| E8257D | Information Only | E8257D-38 | Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection | 2023.04.24 |
| E8257D | Information Only | E8257D-39 | Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. | 2023.06.13 |
| E8257D | Information Only | E8257D-39A | Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. | 2023.07.17 |
| E8257D | Information Only | E8257D-40 | Large Keypad Overlay for Option UNM in light color no longer available | 2023.07.16 |
| E8257D | Information Only | E8257D-41 | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.08.24 |
| E8257D | Information Only | E8257D-41A | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.09.18 |
| E8257N | Modification Recommended | E8257N-01 | Instrument unable to connect via remote access on Internet Browser when entering the IP address. | 2017.11.28 |
| E8257N | Modification Recommended | E8257N-03 | Instrument max power value is clipped to 9dBm instead of 12dBm | 2018.08.12 |
| E8267C | Modification Recommended | E8267C-10 | New power sensor to be used with Agilent N7820A PSG Calibration Application | 2005.10.12 |
| E8267C | Safety | E8267C-13-S | Potential Safety hazard due to E8267C Line Module | 2010.10.13 |
| E8267D | Modification Recommended | E8267D-02 | Incorrect voltage rating on the Analog Mod Gen capacitor C480 | 2005.03.25 |
| E8267D | Modification Recommended | E8267D-06 | Power Offset in the Agilent N7800A Test Management Environment Software for power measurements > 0 dBm | 2005.08.16 |
| E8267D | Modification Available | E8267D-13 | Spurs and poor image rejection in wide band IQ mode with option H16. | 2007.06.24 |
| E8267D | Modification Available | E8267D-15C | Instrument failing self-test 704 | 2020.01.06 |
| E8267D | Modification Recommended | E8267D-18A | E8267D found to have the same MAC address that can cause the IP conflict when they are connects to the same local network. | 2008.03.13 |
| E8267D | Safety | E8267D-22A-S | Potential Safety hazard due to E8267D Line Module | 2020.09.14 |
| E8267D | Modification Recommended | E8267D-24A | Intermittent CPU boot-up and/or No display | 2012.10.14 |
| E8267D | Modification Recommended | E8267D-28 | Instrument unable to connect via remote access on Internet Browser when entering the IP address. | 2017.11.28 |
| E8267D | Information Only | E8267D-34 | Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection | 2023.04.24 |
| E8267D | Information Only | E8267D-35 | Instrument that has output board, E8251-60435 replaced with E8251-60888 will have the low phase noise specification impacted. | 2023.06.13 |
| E8267D | Information Only | E8267D-35A | Instrument that has output board, E8251-60435 replaced with E8251-60888 will have the low phase noise specification impacted. | 2023.07.17 |
| E8267D | Information Only | E8267D-36 | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.08.24 |
| E8267D | Information Only | E8267D-36A | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.09.18 |
| E8305A | Modification Recommended | E8305A-01 | Starting in August 2007 wrong SMT fuses were loaded on PCA of the E8305A. | 2008.09.16 |
| E8356A | Modification Recommended | E8356A-01 | Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures,replace with metal waffle gaskets. | 2005.05.11 |
| E8356A | Modification Recommended | E8356A-02E | Older front panel interface boards should be replaced. | 2007.12.05 |
| E8356A | Modification Recommended | E8356A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8356A | Modification Recommended | E8356A-04B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| E8356A | Modification Recommended | E8356A-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.30 |
| E8357A | Modification Recommended | E8357A-01 | Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures, replace with metal waffle gaskets. | 2005.05.11 |
| E8357A | Modification Recommended | E8357A-02F | Older Front Panel Interface (FPI) boards can cause the following problems: • A serious won’t boot condition • USB signal integrity degradation • Intermittent front panel keyboard performance • Intermittent RPG lockup • RPG shaft disconnection Installing a new FPI board corrects these problems. However, it is NOT necessary to replace the E8356-60003 FPI board if it is still functional. | 2008.02.18 |
| E8357A | Modification Recommended | E8357A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8357A | Modification Recommended | E8357A-04B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2007.10.31 |
| E8357A | Modification Recommended | E8357A-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8358A | Modification Available | E8358A-01 | Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures, replace with metal waffle gaskets. | 2005.05.11 |
| E8358A | Modification Recommended | E8358A-02F | Older front panel interface boards should be replaced. | 2008.02.18 |
| E8358A | Modification Recommended | E8358A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8358A | Modification Recommended | E8358A-04B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2007.10.31 |
| E8358A | Modification Recommended | E8358A-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8361A | Modification Recommended | E8361A-02C | RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced | 2007.10.31 |
| E8361A | Modification Recommended | E8361A-03A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8361A | Modification Recommended | E8361A-04A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8361A | Modification Recommended | E8361A-05B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2007.10.31 |
| E8361A | Modification Recommended | E8361A-07 | Lid clamps are available for the SOMA 70 assemblies to prevent minor instability sometimes seen on display trace. | 2007.05.01 |
| E8361A | Modification Recommended | E8361A-08A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8361A | Modification Recommended | E8361A-09 | A few E8361A PNA instruments have incorrect capacitors loaded on the Frequency Reference board, so the board should be replaced. | 2008.02.10 |
| E8361A | Modification Available | E8361A-10A | Add-on mechanical components to enhance instrument reliability | 2009.11.30 |
| E8361A | Modification Recommended | E8361A-13 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8361C | Modification Recommended | E8361C-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8361C | Modification Recommended | E8361C-05A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8361C | Modification Recommended | E8361C-07 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8361C | Modification Recommended | E8361C-08 | Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. | 2010.02.04 |
| E8362A | Modification Recommended | E8362A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8362A | Modification Recommended | E8362A-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8362B | Modification Recommended | E8362B-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| E8362B | Modification Recommended | E8362B-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8362B | Modification Recommended | E8362B-03B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2006.03.23 |
| E8362B | Information Only | E8362B-04 | The new 1.1 GHz CPU board provided in PNA CPU Kit E8364-60026 functions properly only with Hard Disk Drive (HDD) part number E8364-60190 and Firmware Revision A.06.01 or higher installed in the PNA. | 2006.03.01 |
| E8362B | Modification Recommended | E8362B-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8362B | Modification Available | E8362B-06A | Add-on mechanical components to enhance instrument reliability. | 2009.12.01 |
| E8362B | Modification Recommended | E8362B-07 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8362BH85 | Modification Recommended | E8362BH85-01 | Older front panel interface boards should be replaced. | 2008.01.15 |
| E8362BH85 | Modification Recommended | E8362BH85-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8362BH85 | Modification Recommended | E8362BH85-03 | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD. | 2008.01.15 |
| E8362BH85 | Information Only | E8362BH85-04 | The new 1.1 GHz CPU board provided in PNA CPU Kit E8364-60026 functions properly only with Hard Disk Drive (HDD) part number E8364-60190 and Firmware Revision A.06.01 or higher installed in the PNA. | 2008.01.16 |
| E8362BH85 | Modification Available | E8362BH85-05 | Replace Inverter board (0950-3379) due to faulty component. | 2008.01.15 |
| E8362BH85 | Modification Available | E8362BH85-06A | Add-on mechanical components to enhance instrument reliability. | 2009.11.30 |
| E8362C | Modification Recommended | E8362C-01A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8362C | Modification Recommended | E8362C-03 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8362C | Modification Recommended | E8362C-04 | Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. | 2010.02.04 |
| E8362C | Modification Recommended | E8362C-05A | Possible faulty E8362C/H85 performance due to defect in microcircuit assembly. | 2012.04.01 |
| E8362C | Modification Recommended | E8362C-06 | Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. | 2012.02.22 |
| E8362CH85 | Modification Recommended | E8362CH85-01A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8362CH85 | Modification Recommended | E8362CH85-02A | Possible faulty E8362C/H85 performance due to defect in microcircuit assembly. | 2012.04.01 |
| E8363A | Modification Recommended | E8363A-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8363A | Modification Recommended | E8363A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8363A | Modification Recommended | E8363A-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8363B | Modification Recommended | E8363B-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| E8363B | Modification Recommended | E8363B-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8363B | Modification Recommended | E8363B-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8363B | Modification Recommended | E8363B-04B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2006.03.23 |
| E8363B | Modification Recommended | E8363B-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8363B | Modification Available | E8363B-07A | Add-on mechanical components to enhance instrument reliability. | 2009.12.01 |
| E8363B | Modification Recommended | E8363B-08 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8363BH85 | Modification Recommended | E8363BH85-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8363BH85 | Modification Recommended | E8363BH85-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8363BH85 | Modification Available | E8363BH85-07A | Add-on mechanical components to enhance instrument reliability. | 2009.11.30 |
| E8363C | Modification Recommended | E8363C-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8363C | Modification Recommended | E8363C-02A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8363C | Modification Recommended | E8363C-04 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8363C | Modification Recommended | E8363C-05 | Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. | 2010.02.04 |
| E8363C | Modification Recommended | E8363C-06A | Possible faulty E8363C performance due to defect in microcircuit assembly. | 2012.04.01 |
| E8363C | Modification Recommended | E8363C-07 | Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. | 2012.02.22 |
| E8363CH85 | Modification Recommended | E8363CH85-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8363CH85 | Modification Recommended | E8363CH85-02A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8363CH85 | Modification Recommended | E8363CH85-03 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8364A | Modification Recommended | E8364A-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8364A | Modification Recommended | E8364A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8364A | Modification Recommended | E8364A-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8364B | Modification Recommended | E8364B-01C | Older front panel interface boards should be replaced | 2007.12.05 |
| E8364B | Modification Recommended | E8364B-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8364B | Modification Recommended | E8364B-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8364B | Modification Recommended | E8364B-04B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| E8364B | Modification Recommended | E8364B-06A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8364B | Modification Available | E8364B-07A | Add-on mechanical components to enhance instrument reliability. | 2009.12.01 |
| E8364B | Modification Recommended | E8364B-08 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8364BH85 | Modification Recommended | E8364BH85-01 | Older front panel interface boards should be replaced. | 2008.01.15 |
| E8364BH85 | Modification Recommended | E8364BH85-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8364BH85 | Modification Recommended | E8364BH85-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8364BH85 | Modification Recommended | E8364BH85-04 | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2008.01.15 |
| E8364BH85 | Modification Available | E8364BH85-06 | Replace Inverter board (0950-3379) due to faulty component. | 2008.01.15 |
| E8364BH85 | Modification Available | E8364BH85-07A | Add-on mechanical components to enhance instrument reliability. | 2009.11.30 |
| E8364C | Modification Recommended | E8364C-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8364C | Modification Recommended | E8364C-02A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8364C | Modification Recommended | E8364C-04 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8364C | Modification Recommended | E8364C-05 | Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. | 2010.02.04 |
| E8364C | Modification Recommended | E8364C-06A | Possible faulty E8364C performance due to defect in microcircuit assembly. | 2012.04.01 |
| E8364CH85 | Modification Recommended | E8364CH85-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| E8364CH85 | Modification Recommended | E8364CH85-02A | A new touchscreen display inverter shield is available to improve PNA noise floor performance. | 2012.12.04 |
| E8364CH85 | Modification Recommended | E8364CH85-03 | An enhancement added to absorb vibration when opening the swing deck during hardware repair. | 2009.12.17 |
| E8401A | Modification Recommended | E8401A-01 | Recommend replcmnt of capacitor in Fan Power Supply | 1999.09.29 |
| E8402A | Modification Recommended | E8402A-01 | Recommend Replacement Capacitor in Fan Power Supply | 1999-09 |
| E8403A | Modification Recommended | E8403A-01 | Faulty Heat Sink Clips May Cause Short Circuit In Power Supply | 1999.02.28 |
| E8404A | Modification Recommended | E8404A-01 | Faulty Heat Sink Clips May Cause Short Circuit In Power Supply | 1999-03 |
| E8404A | Modification Recommended | E8404A-01 | Faulty Heat Sink Clips May Cause Short Circuit In Power Supply | 1999.02.28 |
| E8482A | Modification Recommended | E8482A-01 | New part to fix communication problem with National Instruments VXI interface products. | 2004.08.11 |
| E8482B | Modification Recommended | E8482B-01 | New part to fix communication problem with National Instruments VXI interface products. | 2004.08.11 |
| E8486A | Modification Recommended | E8486A-01 | Incorrect calibration factor data in the Power Sensor EEPROM (Option 200 only) | 2017.03.14 |
| E8486A | Modification Recommended | E8486A-03D | Accuracy offset issue | 2020.03.19 |
| E8491B | Modification Recommended | E8491B-01 | Front panel is incorrectly labeled | 1999.09.29 |
| E8663B | Modification Recommended | E8663B-01 | Procedure to activate AM/FM and Pulse options | 2006.11.05 |
| E8663B | Modification Available | E8663B-03A | Instrument failing self-test 704 | 2013.08.25 |
| E8663B | Modification Recommended | E8663B-04 | Intermittent power supply shutdown | 2008.02.14 |
| E8663D | Modification Recommended | E8663D-01 | Intermittent CPU boot-up and/or No display | 2011.02.10 |
| E8663D | Modification Available | E8663D-05 | Instrument failing self-test 704 | 2013.08.25 |
| E8663D | Modification Recommended | E8663D-06A | Instrument failing self test 300 with E4423-60018 Ref Board | 2015.01.19 |
| E8663D | Modification Recommended | E8663D-07 | Instrument unable to connect via remote access on Internet Browser when entering the IP address. | 2017.11.28 |
| E8663D | Information Only | E8663D-13 | Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection | 2023.04.24 |
| E8663D | Information Only | E8663D-14 | Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. | 2023.06.13 |
| E8663D | Information Only | E8663D-14A | Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. | 2023.07.17 |
| E8663D | Information Only | E8663D-15 | Large Keypad Overlay for Option UNM in light color no longer available | 2023.07.16 |
| E8663D | Information Only | E8663D-16 | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.08.24 |
| E8663D | Information Only | E8663D-16A | Replacement options for A12 CPU Board E8251-60661 and E8251-69661 | 2023.09.18 |
| E8801A | Modification Recommended | E8801A-01D | Older front panel interface boards should be replaced. | 2007.12.05 |
| E8801A | Modification Recommended | E8801A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8801A | Modification Recommended | E8801A-03B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| E8801A | Modification Recommended | E8801A-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8802A | Modification Recommended | E8802A-01B | RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced | 2007.08.13 |
| E8802A | Modification Recommended | E8802A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8802A | Modification Recommended | E8802A-03B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2006.03.23 |
| E8802A | Modification Recommended | E8802A-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E8803A | Modification Recommended | E8803A-01C | RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced | 2007.08.13 |
| E8803A | Modification Recommended | E8803A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| E8803A | Modification Recommended | E8803A-03B | Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. | 2006.03.23 |
| E8803A | Modification Recommended | E8803A-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| E9070A | Modification Available | E9070A-03 | New split I/O relay modules and pin electronics boards | 2001.01.16 |
| E9321A | Modification Recommended | E9321A-04 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9322A | Modification Recommended | E9322A-03 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9323A | Modification Recommended | E9323A-03 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9325A | Modification Recommended | E9325A-01 | Product recall. Increased cal factor uncertainty at high frequency and high power levels. | 2001.11.11 |
| E9325A | Modification Recommended | E9325A-05 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9326A | Modification Recommended | E9326A-04 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9327A | Modification Recommended | E9327A-05 | Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. | 2019.10.21 |
| E9821A | Modification Available | E9821A-01 | E9821A reliability can be improved for certain serial numbers | 2005.01.23 |
| E9900A | Safety | 3070-28-S | Third party fixture handles could cause crushed fingers | 1996.09.30 |
| E9900A | Priority Safety | 3070-63-S | Potential for electric shock due to monitor power cord insulation damaged and shorting to monitor support arm. | 2001.07.31 |
| E9900A | Safety | 3070-65A-S | Safety hazzard with performance port high power connector block | 2003.01.29 |
| E9900A | Safety | 3070-66A-S | Potential risk of puncture wounds | 2003.01.29 |
| E9900A | Priority Safety | 3070-72-S | Test fixtures provided by APG present a fingertip pinch hazard | 2002.10.22 |
| E9900AG | Priority Safety | 3070-58A-S | Telescoping tube irregularity may cause a potential safety hazard | 2000.12.31 |
| E9900AG | Safety | 3070-70-S | POSSIBLE FIRE HAZARD | 2003.01.12 |
| E9900AG | Safety | 3070-73-S | POSSIBLE ELECTRICAL SHOCK HAZARD | 2003.08.24 |
| E9900AG | Safety | 3070-76-S | POSSIBLE PINCH HAZARD | 2005.08.17 |
| E9900AG | Modification Recommended | 3070-77A | Potential Involuntary Shutdown of Specific Testhead Controllers | 2006.03.09 |
| E9900BG | Priority Safety | 3070-74-S | Potential electrical safety hazard on power outlet boxes | 2005.01.20 |
| E9901D | Modification Recommended | 3070-79A | Potential Random Printing on the Strip Printer | 2008.03.30 |
| E9901D | Modification Recommended | 3070-80 | Library files missing in library folder | 2008.03.17 |
| E9901D | Modification Available | 3070-81 | PC Controller Management of Scanworks PCI-400 driver. | 2009.08.20 |
| E9901D | Modification Recommended | 3070-82 | Control XTP card Firmware Change due to change in NEC SRAM | 2010.04.08 |
| E9901D | Modification Recommended | 3070-83 | Preventive Measures to Minimize Lost Heartbeat Errors | 2011.03.17 |
| E9901D | Modification Recommended | 3070-84A | Agilent Medalist i3070 and i3070 Series 5 In-Circuit Test System | 2011.04.28 |
| E9901D | Modification Recommended | 3070-85 | Control XTP card new firmware version “xtp_11060116_1.xsvf” (Old NEC 4Mx4bit SRAM and New NEC 2Mx8bit SRAM) | 2011.06.08 |
| E9901D | Modification Available | 3070-86 | New firmware for i-system card (P/N: N1807-63603) to retain fixture lock position when reboot | 2011.10.17 |
| E9901D | Modification Available | 3070-87 | Solve booting error with new “Turbo Bootpt”. | 2012.03.25 |
| E9901D | Modification Recommended | 3070-88 | Bios 1.12 version in rp5700 causes longer time to load board directory across network | 2012.08.16 |
| E9901D | Modification Available | 3070-89 | New Bootp file to solve the intermittent boot error with “Control XTPA” (N1807-66801) on Windows ® 7, software version 08.30pb. | 2013.03.05 |
| E9901EL | Modification Recommended | 3070-100 | Standard VGA cable may cause Diagnostic Application Double Images. | 2021.10.20 |
| E9902DR | Modification Recommended | 3070-92 | Board Test Insight (BTI) and Test Cell Manager (BT-Basic) didn’t launch automatically for “operator” and “tcm” windows login respectively on Win10 Operating System | 2018.10.01 |
| E9902G | Modification Recommended | E9902G-01 | Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. | 2022.05.24 |
| E9902G | Modification Recommended | E9902G-02 | New control XTPB card firmware to adjust the delay time for relay opening, to resolve intermittent relay failures observed on pin cards when working together with XTPB cards. Firmware update can be installed by customer. | 2024.02.07 |
| E9902G | Modification Recommended | E9902G-02A | New control XTPB card firmware to adjust the delay time for relay opening, to resolve intermittent relay failures observed on pin cards when working together with XTPB cards. Firmware update can be installed by customer. | 2024.02.14 |
| E9903G | Modification Recommended | E9903G-01 | Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. | 2022.05.24 |
| E9905E | Modification Recommended | 3070-89A | i3070 test system controller encountered intermittent testhead booting error – i3070 test system controller that uses i3070 09.10p software release may encounter testhead booting issue | 2018.05.09 |
| E9905E | Modification Recommended | 3070-91 | Control XTPA card new firmware 14091012_2.xsvf | 2015.01.14 |
| E9905E | Modification Recommended | 3070-93 | The i3070 Series 5 In-Circuit Test System that testhead rotation motor may not grounded properly to the testhead frame/chassis. | 2019.05.06 |
| E9905E | Modification Available | 3070-94 | i3070 software may encounter slow down behavior | 2019.07.25 |
| E9905E | Modification Recommended | 3070-102 | Testhead Configurator software cannot support new CAP switch N1178-66804. | 2021.11.15 |
| E9905E | Information Only | 3070-105 | Specification revise i3070 Series 5 for ASRU Revision N DC Voltage Detection | 2023.09.25 |
| E9905E | Modification Available | 3070-105A | Specification revise i3070 Series 5 for ASRU Revision N DC Voltage Detection | 2024.01.17 |
| E9905G | Modification Recommended | 3070-98 | Rotation motor switch may damage or stuck for Series 6 In-Circuit Tester | 2021.01.05 |
| E9905G | Modification Recommended | 3070-99 | Replace incorrect Serial ports in Engage-Flex Pro Controller for Series 6 In-Circuit Tester | 2021.05.11 |
| E9905G | Information Only | 3070-104 | EMC covers E9901-00204(Right Bottom Cover – Bristol) and E9901-00205(Left Bottom Cover – Bristol not able to pre-install at factory before shipment. This issue affects only asynchronous options: E9905G-AS2, E9905G-AS3 and E9905G-KC1. | 2023.03.12 |
| E9905G | Information Only | 3070-104A | EMC covers E9901-00204(Right Bottom Cover – Bristol) and E9901-00205(Left Bottom Cover – Bristol not able to pre-install at factory before shipment. This issue affects only asynchronous options: E9905G-AS2, E9905G-AS3, E9905G-KC1 and E9903G-KC1. | 2023.03.22 |
| E9905G | Modification Recommended | E9905G-01 | Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. | 2022.05.24 |
| E9910A | Safety | 3070-68B-S | POSSIBLE SHOCK HAZARD | 2002.11.01 |
| E9986E | Modification Available | 3070-96B | Remove unused secondary Press of Inline ICT | 2020.02.26 |
| E9986E | Modification Available | 3070-97 | ESD Belt Guide Bar replacement for i3070 4 module Inline ICT | 2020.04.15 |
| E9988EL | Modification Recommended | 3070-95 | To Prolong life span of Conveyor motor in 2 module Inline ICT. | 2019.09.26 |
| E9998BG | Priority Safety | 3070-74-S | Potential electrical safety hazard on power outlet boxes | 2005.01.20 |
| E36102B | Modification Recommended | E36102B-01 | Low range current measurement accuracy may be out of specification. | 2022.03.01 |
| E36103B | Modification Recommended | E36103B-01 | Low range current measurement accuracy may be out of specification. | 2022.03.01 |
| E36311A | Modification Recommended | E36311A-01 | Unit may output voltage spike when main power is turn on or off. | 2018.04.09 |
| E36312A | Modification Recommended | E36312A-01 | Unit may output voltage spike when main power is turn on or off. | 2018.04.09 |
| E36312A | Modification Recommended | E36312A-02 | Compliance to EMC IEC61000-4-3 standard requires a ferrite core. | 2019.01.23 |
| E36313A | Modification Recommended | E36313A-01 | Unit may output voltage spike when main power is turn on or off. | 2018.04.09 |
| E36313A | Modification Recommended | E36313A-02 | Compliance to EMC IEC61000-4-3 standard requires a ferrite core. | 2019.01.23 |
| E36731A | Information Only | E36731A-01 | Units in the above serial number range and with the firmware version K-01.04.03-01.00-02.03-01.02 may encounter instrument freezes when using with BV9210B PathWave BenchVue Advanced Battery Test and Emulation Software. | 2023.04.04 |
| J1409A | Modification Available | J1409-01 | The Modification lowers the level of internal cross-talk between modules. This can improve some lower level, high frequency jitter measurements. | 2002.02.25 |
| J1981A | Modification Recommended | J1981A-01 | Improves PESQ scores. | 2002.03.27 |
| J1981B | Modification Recommended | J1981B-01 | Improves PESQ scores. | 2002.03.27 |
| J1981B | Modification Recommended | J1981B-02 | Replace defective power supplies from vendor | 2002.09.24 |
| J1987A | Modification Recommended | J1987A-01 | Add a 2nd card to units with only one(1) card installed. | 2002.02.21 |
| J1987A | Modification Recommended | J1987A-02 | Improves PESQ scores. | 2002.03.27 |
| J1996A | Modification Recommended | J1996A-01 | Possible BQT product damage using J1996A | 2001.11.07 |
| J2208B | Modification Recommended | J2208B-01 | Modification instructions for main board/A1 assembly | 1993.12.31 |
| J2213A | Modification Recommended | J2213A-02 | Main board/A1 assembly - additional 1 Meg DRAM | 1993.12.31 |
| J2213A | Modification Recommended | J2213A-03 | LED board mod allows greater range of brightness adjustment | 1993.12.12 |
| J2219A | Modification Recommended | J2219A-02 | LED board mod allows greater range of brightness adjustment | 1993.12.12 |
| J2300C | Modification Recommended | J2300C-01 | 0950-3180 power supplu noise/reliability | 1998.11.23 |
| J2300C | Modification Available | J2300C-03B | Procedure for installing the upgrade kit. | 2001.11.14 |
| J2300C | Modification Available | J2300C-04 | Power Supply Cables Can Become Defective | 2005.12.11 |
| J2300D | Modification Available | J2300D-01 | Procedure for installing upgrade kit. | 2001.11.14 |
| J2300D | Modification Available | J2300D-02 | Power supply cables can become defective | 2005.12.11 |
| J2301A | Modification Recommended | J2301A-01 | New assy allows full speed oper when used w/high spd adapters | 1994.11.03 |
| J2301B | Priority Safety | J2301B-01-S | New inverter board reduces chance of fire hazard | 1995.09.30 |
| J2301B | Modification Recommended | J2301B-02 | Replacement PAW link (mouse pointer) corrects operating problems | 1996.06.13 |
| J2301B | Modification Recommended | J2301B-03 | Mod removes transversal jitter in display caused by built-in mouse | 1996.06.13 |
| J2301B | Modification Recommended | J2301B-04 | Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives | 1996.06.13 |
| J2301B | Priority Safety | J2301B-05-S | Bottom chassis fastener (screw) may interfere with primary circuit component. | 1996.07.31 |
| J2301B | Modification Recommended | J2301B-06 | Undercradle interface card long leads short to chassis | 1996.06.13 |
| J2301B | Modification Recommended | J2301B-07 | Modifications improve reliability | 1996.06.13 |
| J2301B | Modification Recommended | J2301B-08 | Power supply snubber circuit modification | 1997.02.10 |
| J2302A | Modification Recommended | J2302A-01 | New assy allows full speed oper when used w/high spd adapters | 1994.11.03 |
| J2302B | Priority Safety | J2302B-01-S | New inverter board reduces chance of fire hazard | 1995.09.30 |
| J2302B | Modification Recommended | J2302B-02 | Replacement PAW link (mouse pointer) corrects operating problems | 1996.06.13 |
| J2302B | Modification Recommended | J2302B-03 | Mod removes transversal jitter in display caused by built-in mouse | 1996.06.13 |
| J2302B | Modification Recommended | J2302B-04 | Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives | 1996.06.13 |
| J2302B | Priority Safety | J2302B-05-S | Bottom chassis fastener (screw) may interfere with primary circuit component. | 1996.07.31 |
| J2302B | Modification Recommended | J2302B-06 | Undercradle interface card long leads short to chassis | 1996.06.13 |
| J2302B | Modification Recommended | J2302B-07 | Modifications improve reliability | 1996.06.13 |
| J2302B | Modification Recommended | J2302B-08 | Power supply snubber circuit modification | 1997.02.10 |
| J2306A | Modification Available | J2306A-01 | Optional modification upgrades the capture buffer to 16 MB | 1995.01.11 |
| J2306A | Modification Recommended | J2306A-02 | LAN select switch removal procedure | 1996.06.13 |
| J2309A | Modification Available | J2309A-01 | Optional modification upgrades the capture buffer to 16 MB | 1995.01.11 |
| J2309A | Modification Recommended | J2309A-02 | LAN select switch removal procedure | 1996.06.13 |
| J2522A | Modification Recommended | J2522A-03 | LAN select switch removal procedure | 1996.06.13 |
| J2522B | Priority Safety | J2522B-01-S | New inverter board reduces chance of fire hazard | 1995.09.30 |
| J2522B | Modification Recommended | J2522B-02 | Modification corrects improper Jam Signal to network | 1995.10.31 |
| J2522B | Modification Recommended | J2522B-03 | Replacement PAW link (mouse pointer) corrects operating problems | 1996.06.13 |
| J2522B | Modification Recommended | J2522B-04 | Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives | 1996.06.13 |
| J2522B | Priority Safety | J2522B-05-S | Bottom chassis fastener (screw) may interfere with primary circuit component. | 1996.07.31 |
| J2522B | Modification Recommended | J2522B-07 | Modifications improve reliability | 1996.06.13 |
| J2522B | Modification Recommended | J2522B-08 | LAN select switch removal procedure | 1996.06.13 |
| J2522B | Modification Recommended | J2522B-09 | Mod removes transversal jitter in display caused by built-in mouse | 1996.06.13 |
| J2522B | Modification Recommended | J2522B-10 | Power supply snubber circuit modification | 2001.01.07 |
| J2523A | Priority Safety | J2523A-01-S | Possible shock hazard if power cord earth ground defeated | 1995.02.16 |
| J2523A | Modification Recommended | J2523A-03 | LAN select switch removal procedure | 1996.06.13 |
| J2523B | Priority Safety | J2523B-01-S | New inverter board reduces chance of fire hazard | 1995.09.30 |
| J2523B | Modification Recommended | J2523B-03 | Replacement PAW link (mouse pointer) corrects operating problems | 1996.06.13 |
| J2523B | Modification Recommended | J2523B-04 | Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives | 1996.06.13 |
| J2523B | Priority Safety | J2523B-05-S | Bottom chassis fastener (screw) may interfere with primary circuit component. | 1996.07.31 |
| J2523B | Modification Recommended | J2523B-07 | Modifications improve reliability | 1996.06.13 |
| J2523B | Modification Recommended | J2523B-08 | LAN select switch removal procedure | 1996.06.13 |
| J2523B | Modification Recommended | J2523B-09 | Mod removes transversal jitter in display caused by built-in mouse | 1996.06.13 |
| J2523B | Modification Recommended | J2523B-10 | Power supply snubber circuit modification | 2001.01.07 |
| J2909A | Modification Recommended | J2909A-01 | Framer chip rev B for digital board may cause E3 PLCP errors | 1998.10.14 |
| J2909A | Modification Recommended | J2909A-02 | 5064-0431 Analog Board Modification | 1998.12.14 |
| J2910A | Modification Recommended | J2910A-01 | Framer chip rev B for digital board may cause E3 PLCP errors | 1998.10.14 |
| J2910A | Modification Recommended | J2910A-02 | Analog Board Modification | 1999.08.25 |
| J2912A | Modification Available | J2912A-01 | Upgrade J2912A to a J2912B Procedure | 1999.02.17 |
| J2912A | Modification Recommended | J2912A-02B | Modification to correct network errors | 2000.11.05 |
| J2912B | Modification Recommended | J2912B-01A | Mod to correct false line status | 1999.06.23 |
| J2913A | Modification Available | J2913A-01 | Upgrade J2913A to a J2913B Procedure | 1999.02.17 |
| J2913A | Modification Recommended | J2913A-02A | Mod to correct false line status | 1999.06.23 |
| J2913B | Modification Recommended | J2913B-01A | Mod to correct false line status | 1999.06.23 |
| J3320A | Modification Recommended | J3320A-02 | FDDI LanProbes may show inaccurate values | 1998.03.01 |
| J3320A | Modification Recommended | J3320A-05 | Flash ROM Size Upgrade from 256k to 512K | 1999.08.09 |
| J3321A | Modification Recommended | J3321A-02 | FDDI LanProbes may show inaccurate values | 1998.03.01 |
| J3321A | Modification Recommended | J3321A-05 | Flash ROM Size Upgrade from 256k to 512K | 1999.08.09 |
| J3322A | Modification Recommended | J3322A-02 | FDDI LanProbes may show inaccurate values | 1998.03.01 |
| J3322A | Modification Recommended | J3322A-05 | Flash ROM Size Upgrade from 256k to 512K | 1999.08.09 |
| J3444A | Modification Recommended | J3444A-01 | The RFI bracket may cause short on the J3444A Network Interface Assembly. | 1997.08.31 |
| J3444A | Modification Recommended | J3444A-02 | The Plug & Play ROM and I/O boundary ROM may need to be updated. | 1998.08.31 |
| J3444A | Modification Recommended | J3444A-03 | Mod to fix AMP hardware Error: FIFO Overflow | 2000.11.01 |
| J3446C | Modification Available | J3446C-02B | Procedure for installing upgrade kit. | 2001.11.14 |
| J3446C | Modification Recommended | J3446C-03 | Mod to fix AMP hardware Error: FIFO Overflow | 2000.11.01 |
| J3446D | Modification Recommended | J3446D-01 | Mod to fix AMP hardware Error: FIFO Overflow | 2000.11.01 |
| J3446D | Modification Available | J3446D-02 | Procedure for installing the upgrade kit. | 2001.11.14 |
| J3458A | Modification Available | J3458A-02 | Failure of adhesive on RFI gasket material on the RFI shield | 2001.06.13 |
| J4630A | Modification Recommended | J4630A-01 | Improves PESQ scores. | 2002.03.27 |
| J5490A | Modification Available | J5490A-01 | Failure of adhesive on RFI gasket material | 2001.02.11 |
| J6800A | Modification Recommended | J6800A-06A | Corrects problem of "Connection to Server Lost" | 2007.04.04 |
| J6800A | Modification Recommended | J6800A-07A | Network Analyzer failures involving unstable operation of the acquisition system after being repaired previously | 2007.04.04 |
| J6801A | Modification Recommended | J6801A-02 | All J6801A's were assembled with PCB's lacking two (2) parts critical to proper operation. | 2002.05.05 |
| J6801A | Modification Available | J6801A-04 | Instructions for changing the Ether sync switch for proper operation | 2005.03.14 |
| J6801B | Modification Recommended | J6801B-01A | Network Time Protocol synchronization does not function as clock-master correctly on affected units | 2008.06.15 |
| J6802B | Modification Recommended | J6802B-02A | Line filter improperly wired in relation to fuses. | 2006.07.17 |
| J6803A | Modification Available | J6803A-03 | Repeated shipping of the J6803A can cause the opt 002 telemetry NIC to become unseated and thereby non-operational. | 2009.07.07 |
| J6803B | Modification Available | J6803B-04 | Repeated shipping of the J6803B can cause the opt 002 telemetry NIC to become unseated and thereby non-operational. | 2009.07.07 |
| J6828A | Modification Available | J6828A-01 | After upgrading the power supply for the J6828A to 0950-5095, mounting the new supply in the rack-mount requires two additional pieces of sheet-metal. | 2009.08.10 |
| J7230A | Safety | J7230A-02-S | Defective handle may cause personal injury | 2002.09.10 |
| J7263A | Safety | J7263A-01-S | Potential power supply failure | 2007.09.26 |
| KEI2400 | Modification Recommended | KEI2400-01 | The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. | 2015.09.24 |
| KEI2420 | Modification Recommended | KEI2420-01 | The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. | 2015.09.24 |
| KEI2425 | Modification Recommended | KEI2425-01 | The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. | 2015.09.24 |
| KEITH1-27OV8ND | Modification Recommended | KEITH1-27OV8ND-01 | The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. | 2015.10.05 |
| KEITH1-EOZGC | Modification Recommended | KEITH1-EOZGC-01 | The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which caused few measurement points being failed. | 2015.10.05 |
| L4411A | Modification Recommended | L4411A-01-RECALL | RECALL-The L4411A has an ‘adjust always’ policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As Completed” measurement report are not valid. | 2010.04.08 |
| L4421A | Modification Recommended | L4421A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.07 |
| L4421A | Modification Recommended | L4421A-02 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4433A | Modification Recommended | L4433A-01 | Intermittent contact resistance with Analog Bus (ABus) relays. | 2013.06.07 |
| L4433A | Modification Recommended | L4433A-02 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4437A | Modification Recommended | L4437A-01 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4445A | Modification Recommended | L4445A-02 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4450A | Modification Recommended | L4450A-01 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4451A | Modification Recommended | L4451A-01 | Relay contact contamination causes variation in performance. | 2013.06.07 |
| L4451A | Modification Recommended | L4451A-02 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4452A | Modification Recommended | L4452A-01 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4490A | Modification Recommended | L4490A-02 | Controller box assembly is not compatible with rear panel assemblyController box assembly is not compatible with rear panel assembly | 2015.05.08 |
| L4490A | Modification Recommended | L4490A-03 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4490A | Modification Recommended | L4490A-04 | Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. | 2019.03.21 |
| L4491A | Modification Recommended | L4491A-02 | Controller box assembly is not compatible with rear panel assembly | 2015.05.08 |
| L4491A | Modification Recommended | L4491A-03 | Instrument cannot operate in 400 Hz | 2015.07.02 |
| L4491A | Modification Recommended | L4491A-04 | Devices found to have the same MAC address can cause an IP conflict when connected on the same local network. | 2019.03.21 |
| L4532A | Modification Recommended | L4532A-01 | BNC O-RING must be moved from old to new L4532-66703 Channel Board | 2011.03.07 |
| L4534A | Modification Recommended | L4534A-01 | BNC O-RING must be moved from old to new L4532-66703 Channel Board | 2011.03.07 |
| M1740A | Modification Recommended | M1740A-02 | Center pin of External trigger connector breakage. Add the M1740-20034 RF support bracket to hold the External trigger cable and prevent the center pin breakage. | 2020.02.19 |
| M3201A | Modification Recommended | M3201A-01 | Possible D.C offset error on the AWG output | 2018.02.07 |
| M3202A | Modification Recommended | M3202A-01 | Possible D.C offset error on the AWG output | 2018.02.07 |
| M3300A | Modification Recommended | E3300A-01 | Possible D.C offset error on the AWG output | 2018.02.07 |
| M3302A | Modification Recommended | M3302A-01 | Possible D.C offset error on the AWG output | 2018.02.07 |
| M8062A | Modification Recommended | M8062A-01 | Some systems may not run error-free at data rates above 32 Gbps with System Clock selected as the M8062A Analyzer Clock Source. | 2016.04.11 |
| M8062A | Modification Recommended | M8062A-02 | When using the CDR as the M8062A Analyzer Clock Source and operating at data rates near 16 Gbps (8 GHz clock frequency), some units may experience elevated jitter levels on the recovered clock, as measured at the Analyzer Clock Out connector. | 2016.04.11 |
| M8062A | Modification Recommended | M8062A-03 | When using the CDR as the M8062A Analyzer Clock Source and operating at data rates near 8 Gbps (4 GHz clock frequency), some units may experience elevated jitter levels on the recovered clock, as measured at the Analyzer Clock Out connector. | 2016.04.11 |
| M9010A | Safety | M9010A-01 | Arcing between AC connector and sheet metal results in Hi-Pot failure | 2017.09.24 |
| M9018A | Modification Recommended | M9018A-04 | M9018A Serial Number Does Not Display in Agilent Connection Expert | 2013.02.12 |
| M9018A | Modification Recommended | M9018A-07 | Unable to install PXI modules due to chassis insufficient height clearance | 2015.02.12 |
| M9018A | Safety | M9018A-08-S | Chassis and installed modules may overheat in the event of complete fan failures | 2015.02.11 |
| M9018A | Modification Recommended | M9018A-09A | Chassis fail to lock to external 10 MHz reference with Hardware Revision 1.01 FPGA. | 2015.09.10 |
| M9018A | Modification Recommended | M9018A-10 | PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. | 2017.01.17 |
| M9018A | Modification Recommended | M9018A-11 | Fans erroneously ramp to full speed and chassis shuts down after about 30 minutes of use | 2019.09.04 |
| M9018B | Modification Recommended | M9018B-02 | Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. | 2022.07.07 |
| M9018B | Modification Recommended | M9018B-02A | Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. | 2022.08.23 |
| M9018B | Modification Recommended | M9018B-02B | Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. | 2022.09.06 |
| M9018B | Information Only | M9018B-03 | Code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. | 2023.07.26 |
| M9018B | Modification Recommended | M9018B-04 | M9018B Soft Front Panel displays Unexpected Internal Software Error (BFFA0018) | 2023.10.10 |
| M9018B | Information Only | M9018B-04A | M9018B Soft Front Panel displays Unexpected Internal Software Error (BFFA0018) | 2024.01.10 |
| M9019A | Modification Recommended | M9019A-02 | Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. | 2022.07.07 |
| M9019A | Modification Recommended | M9019A-02A | Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. | 2022.08.23 |
| M9019A | Information Only | M9019A-03 | Code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. | 2023.07.26 |
| M9021A | Modification Recommended | M9021A-01 | With the M9021A installed, the M9018A chassis may power up unexpectedly when the power cord is plugged into the chassis. | 2011.07.18 |
| M9021A | Modification Recommended | M9021A-02 | PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. | 2017.01.17 |
| M9036A | Modification Recommended | M9036A-04A | Intel Active Management Technology Escalation of Privilege | 2017.07.06 |
| M9036A | Modification Recommended | M9036A-05 | Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack | 2017.06.11 |
| M9036A | Modification Recommended | M9036A-06 | INTEL-SA-00115 Security Vulnerability Issue | 2019.12.09 |
| M9037A | Modification Recommended | M9037A-02 | Inability to Boot Up at Power On | 2015.05.20 |
| M9037A | Modification Recommended | M9037A-04 | PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. | 2017.01.17 |
| M9037A | Modification Recommended | M9037A-05 | Intel Active Management Technology Escalation of Privilege | 2017.06.04 |
| M9037A | Modification Recommended | M9037A-06 | Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack | 2017.06.04 |
| M9037A | Modification Available | M9037A-07A | Front panel PCIe port cannot reliably perform at Gen3 speeds. | 2018.10.10 |
| M9037A | Modification Recommended | M9037A-08 | “Test Mode” Watermark is Displayed on Desktop | 2018.01.18 |
| M9038A | Information Only | M9038A-01 | Code 12 errors under Device Manager | 2022.11.29 |
| M9038A | Information Only | M9038A-02 | Licensing errors when used with Keysight Licensing Software | 2022.12.05 |
| M9038A | Information Only | M9038A-03 | Intermittent loss of 10GbE LAN connection with code 43 error displayed in Device Manager. | 2023.01.25 |
| M9046A | Information Only | M9046A-01 | Device Manager May Not Recognize M52xxA and/or M53xxA Modules Installed in the M9046A Chassis | 2023.06.13 |
| M9182A | Information Only | M9182A-02 | Specification change in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. | 2022.12.07 |
| M9182A | Information Only | M9182A-02A | Specification change in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. | 2023.05.21 |
| M9182A | Information Only | M9182A-03 | Safety precautions in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. | 2023.05.21 |
| M9183A | Information Only | M9183A-02 | Specification change in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. | 2022.12.07 |
| M9183A | Information Only | M9183A-02A | Specification change in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. | 2023.05.21 |
| M9183A | Information Only | M9183A-03 | Safety precautions in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. | 2023.05.21 |
| M9380A | Modification Recommended | M9380A-01 | The M9380A may exhibit a power level accuracy offset across the entire frequency band and at all power levels. | 2013.07.09 |
| M9381A | Modification Recommended | M9381A-01 | The M9381A may exhibit a power level accuracy offset across the entire frequency band and at all power levels. | 2013.07.09 |
| M9502A | Modification Recommended | M9502A-02 | Chassis does not appear in the Agilent Connection Expert PXI0 tree | 2012.06.05 |
| M9502A | Modification Recommended | M9502A-03 | Incorrect LAN LEDs labeling on the Embedded System Module (ESM) front panel | 2012.06.25 |
| M9502A | Safety | M9502A-04A-S | Chassis carry handle may come off while handling. Potential damage to circuit breaker due to carry handle screws inserted without the carry handle and bumpers. | 2014.11.20 |
| M9502A | Modification Recommended | M9502A-05 | M9505-00230 Embedded System Module (ESM) USB option may have USB connection problem | 2014.08.27 |
| M9502A | Modification Recommended | M9502A-07 | System unable to boot up and the green LED status keeps blinking. | 2021.11.03 |
| M9502A | Modification Recommended | M9502A-07A | System unable to boot up and the green LED status keeps blinking. | 2022.04.14 |
| M9505A | Modification Recommended | M9502A-08 | Enumeration issues when powering up with USB Embedded System Module (ESM). | 2022.09.18 |
| M9505A | Modification Recommended | M9505A-02 | Failure of modules to power up on 100-120V power line operation | 2012.01.08 |
| M9505A | Modification Recommended | M9505A-03 | Chassis does not appear in the Agilent Connection Expert PXI0 tree | 2012.06.05 |
| M9505A | Modification Available | M9505A-04 | Replace power supply module to avoid system reset due to line voltage dropout issue | 2012.10.17 |
| M9505A | Safety | M9505A-05A-S | Chassis carry handle may come off while handling | 2014.11.20 |
| M9505A | Modification Recommended | M9505A-06 | M9505-00230 Embedded System Module (ESM) USB option may have USB connection problem | 2014.08.27 |
| M9505A | Modification Recommended | M9505A-08 | System unable to boot up and the green LED status keeps blinking. | 2021.11.03 |
| M9505A | Modification Recommended | M9505A-08A | System unable to boot up and the green LED status keeps blinking. | 2022.04.14 |
| M9505A | Modification Recommended | M9505A-09 | Enumeration issues when powering up with USB Embedded System Module (ESM). | 2022.09.18 |
| M9536A | Modification Recommended | M9536A-02 | Error occurs when running Agilent Recovery System | 2012.04.09 |
| M9536A | Modification Recommended | M9536A-03 | Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack | 2017.06.04 |
| M9537A | Modification Recommended | M9537A-02 | Embedded Controller Encountered Hang Up or Blue Screen during Operating System Recovery | 2017.05.31 |
| M9537A | Modification Recommended | M9537A-03 | Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack | 2017.06.11 |
| M9537A | Modification Recommended | M9537A-04 | Intel Active Management Technology Escalation of Privilege | 2017.11.29 |
| M9537A | Modification Available | M9537A-05A | M9537A Embedded Controller Cannot Detect the M9506A Chassis and Modules | 2020.12.13 |
| M9537A | Modification Recommended | M9537A-06 | Front Panel PCIe Connector Not Working | 2020.01.07 |
| M9601A | Modification Recommended | M9601A-01 | The M9601A will not meet published specifications for DC measurement accuracy. | 2020.11.29 |
| M9601A | Information Only | M9601A-02 | When M9601A is used with the Power Supply Mode, it may issue the Emergency signal and may shutdown when the temperature inside the module becomes higher than the limit. Whether it occurs or not depends on the voltage and current operating point and the cooling capability of the PXIe mainframe. This is also due to the incorrect firmware set up for the Power Supply Mode and it is fixed in the firmware revision 4.5.2398.0. | 2023.02.01 |
| M9614A | Modification Recommended | M9614A-01 | The M9614A might fail if the product is used under certain condition described in the Situation section below. | 2021.06.21 |
| M9615A | Modification Recommended | M9615A-01 | The M9615A will not meet published specifications for DC measurement accuracy. | 2021.06.21 |
| MSO6032A | Priority Safety | MSO6032A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| MSO6034A | Priority Safety | MSO6034A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| MSO6052A | Priority Safety | MSO6052A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| MSO6054A | Priority Safety | MSO6054A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| MSO6104A | Priority Safety | MSO6104A-01A-S | Installing dielectric insulator to prevent possible shock hazard. | 2007.03.19 |
| MSO7032A | Modification Recommended | MSO7032A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.10.01 |
| MSO7034A | Modification Recommended | MSO7034A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| MSO7052A | Modification Recommended | MSO7052A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| MSO7054A | Modification Recommended | MSO7054A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| MSO7104A | Modification Recommended | MSO7104A-01 | New Cap-Strap Handles are replacing older ones that might crack with use. | 2008.09.30 |
| MSO8104A | Modification Recommended | MSO8104A-01B | USB Connectors desconnect from the motherboard in 8000, 80000 Series | 2006.11.29 |
| MSO9064A | Modification Recommended | MSO9064A-01A | Intermittent power failure on some 9000 series units. | 2012.02.02 |
| MSO9064A | Modification Recommended | MSO9064A-03 | Intermittent shutdown issue is J124 connector and 12 volt Bulk power cable connection problem. | 2012.09.12 |
| MSO9104A | Modification Recommended | MSO9104A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| MSO9104A | Modification Recommended | MSO9104A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| MSO9104A | Modification Recommended | MSO9104A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| MSO9254A | Modification Recommended | MSO9254A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| MSO9254A | Modification Recommended | MSO9254A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| MSO9254A | Modification Recommended | MSO9254A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| MSO9404A | Modification Recommended | MSO9404A-01 | Rev 005 acquisiton boards should be replaced | 2010.02.10 |
| MSO9404A | Modification Recommended | MSO9404A-03 | Repair for Windows “Power surge on hub” message | 2011.04.11 |
| MSO9404A | Modification Recommended | MSO9404A-05 | There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. | 2013.07.23 |
| MSOS054A | Modification Recommended | MSOS054A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS054A | Modification Recommended | MSOS054A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS054A | Modification Recommended | MSOS054A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS054A | Modification Recommended | MSOS054A-02F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS104A | Modification Recommended | MSOS104A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS104A | Modification Recommended | MSOS104A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS104A | Modification Recommended | MSOS104A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS104A | Modification Recommended | MSOS104A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS104A | Modification Recommended | MSOS104A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| MSOS204A | Modification Recommended | MSOS204A-02B | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.03.05 |
| MSOS204A | Modification Recommended | MSOS204A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS204A | Modification Recommended | MSOS204A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS204A | Modification Recommended | MSOS204A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS204A | Modification Recommended | MSOS204A-04 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| MSOS254A | Modification Recommended | MSOS254A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS254A | Modification Recommended | MSOS254A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS254A | Modification Recommended | MSOS254A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS254A | Modification Recommended | MSOS254A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS254A | Modification Recommended | MSOS254A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| MSOS404A | Modification Recommended | MSOS404A-03C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS404A | Modification Recommended | MSOS404A-03D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS404A | Modification Recommended | MSOS404A-03E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS404A | Modification Recommended | MSOS404A-03F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS404A | Modification Recommended | MSOS404A-05 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| MSOS604A | Modification Recommended | MSOS604A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS604A | Modification Recommended | MSOS604A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS604A | Modification Recommended | MSOS604A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS604A | Modification Recommended | MSOS604A-02F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS804A | Modification Recommended | MSOS804A-02C | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.05.09 |
| MSOS804A | Modification Recommended | MSOS804A-02D | Under certain circumstances a PLL2 error may occur on the S-series products. | 2019.10.14 |
| MSOS804A | Modification Recommended | MSOS804A-02E | Under certain circumstances a PLL2 error may occur on the S-series products. | 2023.03.19 |
| MSOS804A | Modification Recommended | MSOS804A-02F | Under certain circumstances a PLL2 error may occur on the S-series products. | 2024.03.17 |
| MSOS804A | Modification Recommended | MSOS804A-04 | A pair of resistors were placed in the wrong location on the VCO circuitry. | 2018.06.07 |
| MSOV334A | Modification Recommended | MSOV334A-02A | V-series scopes can shut down after the initial power on. | 2018.06.28 |
| MSOX2002A | Modification Recommended | MSOX2002A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX2004A | Modification Recommended | MSOX2004A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX2012A | Modification Recommended | MSOX2012A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX2014A | Modification Recommended | MSOX2014A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX2022A | Modification Recommended | MSOX2022A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX2024A | Modification Recommended | MSOX2024A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3012A | Modification Recommended | MSOX3012A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3014A | Modification Recommended | MSOX3014A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3024A | Modification Recommended | MSOX3024A-03 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3032A | Modification Recommended | MSOX3032A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3034A | Modification Recommended | MSOX3034A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3052A | Modification Recommended | MSOX3052A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX3054A | Modification Recommended | MSOX3054A-01 | With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. | 2012.06.22 |
| MSOX4022A | Modification Recommended | MSOX4022A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4022A | Modification Recommended | MSOX4022A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4024A | Modification Recommended | MSOX4024A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4024A | Modification Recommended | MSOX4024A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4024A | Safety | MSOX4024A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| MSOX4032A | Modification Recommended | MSOX4032A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4032A | Modification Recommended | MSOX4032A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4034A | Modification Recommended | MSOX4034A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4034A | Modification Recommended | MSOX4034A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4034A | Safety | MSOX4034A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| MSOX4052A | Modification Recommended | MSOX4052A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4052A | Modification Recommended | MSOX4052A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4054A | Modification Recommended | MSOX4054A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4054A | Modification Recommended | MSOX4054A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4054A | Safety | MSOX4054A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| MSOX4104A | Modification Recommended | MSOX4104A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4104A | Modification Recommended | MSOX4104A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4104A | Safety | MSOX4104A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| MSOX4154A | Modification Recommended | MSOX4154A-01 | A replacement of the power supply cover is needed when the cabinet assembly is replaced. | 2013.09.03 |
| MSOX4154A | Modification Recommended | MSOX4154A-02 | Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. | 2014.01.21 |
| MSOX4154A | Safety | MSOX4154A-04-S | Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. | 2018.12.13 |
| MX0020A | Modification Recommended | MX0020A-01 | The early shipments of MX0020A probes have been found to have a quality concern that can cause probes to not be recognized when attached to the scope channel. | 2021.12.07 |
| MX0023A | Modification Recommended | MX0023A-01 | The early shipments of MX0023A probes have been found to have an assembly issue with the AutoProbe Interface 2 Flex Circuit alignment. This causes intermittent probe read errors once attached to the scopes interface. | 2021.10.13 |
| MX0023A | Modification Recommended | MX0023A-01A | The early shipments of MX0023A probes have been found to have 2 quality concerns that can cause probes to not be recognized when attached to the scope channel. This can be intermittent or constant | 2021.12.06 |
| MX0025A | Modification Recommended | MX0025A-01 | The early shipments of MX0025A probes have been found to have a quality concern that can cause probes to not be recognized when attached to the scope channel. | 2021.12.07 |
| MXR054A | Modification Available | MXR054A-01 | Noisy fans | 2022.05.04 |
| MXR058A | Modification Available | MXR058A-01 | Noisy fans | 2022.05.04 |
| MXR104A | Modification Available | MXR104A-01 | Noisy fans | 2022.05.04 |
| MXR108A | Modification Available | MXR108A-01 | Noisy fans | 2022.05.04 |
| MXR204A | Modification Available | MXR204A-01 | Noisy fans | 2022.05.04 |
| MXR208A | Modification Available | MXR208A-01 | Noisy fans | 2022.05.04 |
| MXR254A | Modification Available | MXR254A-01 | Noisy fans | 2022.05.04 |
| MXR258A | Modification Available | MXR258A-01 | Noisy fans | 2022.05.04 |
| MXR404A | Modification Available | MXR404A-01 | Noisy fans | 2022.05.04 |
| MXR408A | Modification Available | MXR408A-01 | Noisy fans | 2022.05.04 |
| MXR604A | Modification Available | MXR604A-01 | Noisy fans | 2022.05.04 |
| MXR608A | Modification Available | MXR608A-01 | Noisy fans | 2022.05.04 |
| N432A | Modification Recommended | N432A-02 | N432A unit missing calibration traceability | 2013.11.05 |
| N432A | Modification Recommended | N432A-03 | Loosen power reference connector assembly | 2017.09.28 |
| N432A | Modification Recommended | N432A-05 | 1mW Power Reference Failure | 2022.09.18 |
| N1000A | Modification Recommended | N1000A-03 | Prior to SN MY59280000, N1000A mainframes were manufactured without spacers installed on the front panel knob shafts. With time and use, front panel knob click/push feature can stop functioning properly. | 2022.05.10 |
| N1030A | Information Only | N1030A-01 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1030B | Information Only | N1030B-01 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1040A | Information Only | N1040A-01 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1045B | Information Only | N1045B-01 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1046A | Modification Recommended | N1046A-01 | Beginning with Serial Number US58400101, a design change has been implemented for the N1046A to allow for faster sampling when used with the N1000A DCA-X mainframe. For units with lower serial numbers, a digital board upgrade shall be performed during regularly scheduled service to enable the faster sampling rate capability. NOTE: Upgraded units will require FlexDCA version 6.00 or later to operate. This upgrade is to be performed with customer consent only. | 2018.10.14 |
| N1046A | Information Only | N1046A-02 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1055A | Modification Recommended | N1055A-01 | Beginning with serial number MY57200001, a design change has been implemented on the N1055A remote head sampler board. When changing sampler boards on units with lower serial numbers, all sampler boards may need to be replaced to prevent mixed design hardware configurations. | 2018.07.23 |
| N1055A | Modification Recommended | N1055A-02 | Bandwidth optimization adjustments were performed without temperature compensation being done afterward for several N1055A modules. | 2021.02.03 |
| N1060A | Modification Recommended | N1060A-01 | Modification available to improve the loop bandwidth peaking | 2019.08.25 |
| N1060A | Modification Available | N1060A-02 | An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). | 2021.01.25 |
| N1060A | Information Only | N1060A-03 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1060A | Modification Available | N1060A-04 | A hardware upgrade is available which may improve 12-Edge Output Jitter EOJ measurement repeatability for some devices. | 2023.03.08 |
| N1076A | Information Only | N1076A-01 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.08.03 |
| N1076B | Modification Recommended | N1076B-01 | Modification available to improve Clock Recovery performance on N1076B. | 2019.01.10 |
| N1076B | Modification Recommended | N1076B-02 | Modification available to improve Clock Recovery performance on N1076B. | 2019.08.25 |
| N1076B | Modification Available | N1076B-03 | An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). | 2021.01.25 |
| N1076B | Information Only | N1076B-04 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.08.03 |
| N1077A | Information Only | N1077A-01 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.08.03 |
| N1077B | Modification Recommended | N1077B-01 | Cables manufactured with non-conforming material were found to have been used in N1077B production. | 2022.06.23 |
| N1078A | Modification Recommended | N1078A-01 | Modification available to improve Clock Recovery performance on N1078A. | 2019.01.10 |
| N1078A | Modification Recommended | N1078A-02 | Modification available to improve Clock Recovery performance on N1078A. | 2019.08.25 |
| N1078A | Modification Available | N1078A-03 | An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). | 2021.01.25 |
| N1078A | Information Only | N1078A-04 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.08.03 |
| N1090A | Modification Recommended | N1090A-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1090A | Modification Recommended | N1090A-02 | Extinction Ratio (ER) calibration issue. | 2023.09.28 |
| N1092A | Modification Recommended | N1092A-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1092A | Modification Recommended | N1092A-02A | A hardware upgrade is available which improves the TDECQ measurement. | 2020.11.10 |
| N1092A | Modification Available | N1092A-04 | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2021.08.08 |
| N1092A | Modification Available | N1092A-04A | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2023.10.11 |
| N1092A | Information Only | N1092A-05 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1092A | Modification Recommended | N1092A-06 | A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. | 2023.11.08 |
| N1092B | Modification Recommended | N1092B-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1092B | Modification Recommended | N1092B-02A | A hardware upgrade is available which improves the TDECQ measurement. | 2020.11.10 |
| N1092B | Modification Available | N1092B-03 | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A | 2021.08.08 |
| N1092B | Modification Available | N1092B-03A | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2023.10.11 |
| N1092B | Information Only | N1092B-05 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1092B | Modification Recommended | N1092B-06 | A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. | 2023.11.08 |
| N1092C | Modification Recommended | N1092C-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1092C | Modification Available | N1092C-02 | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A | 2021.08.08 |
| N1092C | Modification Available | N1092C-02A | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2023.10.11 |
| N1092C | Information Only | N1092C-03 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1092C | Modification Recommended | N1092C-04 | A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. | 2023.11.08 |
| N1092D | Modification Recommended | N1092D-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1092D | Modification Available | N1092D-02 | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A | 2021.08.08 |
| N1092D | Modification Available | N1092D-02A | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2023.10.11 |
| N1092D | Information Only | N1092D-03 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1092D | Modification Recommended | N1092D-04 | A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. | 2023.11.08 |
| N1092E | Information Only | N1092E-03 | A newer version of N1010A FlexDCA software may be installed after repair. | 2022.05.17 |
| N1092E | Modification Available | N1092E-02 | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A | 2021.08.08 |
| N1092E | Modification Available | N1092E-02A | An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 | 2023.10.11 |
| N1092E | Modification Recommended | N1092E-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1094A | Modification Recommended | N1094A-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1094A | Information Only | N1094A-02 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.05.17 |
| N1094B | Modification Recommended | N1094B-01 | Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. | 2019.02.20 |
| N1094B | Information Only | N1094B-02 | A newer version of N1010A FlexDCA software may be required after repair. | 2022.05.17 |
| N1125A | Information Only | N1125A-01 | Keysight CCL License patch update version 5.5.1 release | 2023.05.10 |
| N1911A | Modification Recommended | N1911A-06 | Procedure to resolve flickering display for N1911A-Standard Option | 2013.04.03 |
| N1911A | Modification Recommended | N1911A-07 | For the linearity test, the Logic for the Results column uses linear units for the measurement uncertainty, while the measurement is in percent. This can result in false passes. | 2014.09.02 |
| N1911A | Modification Recommended | N1911A-08A | Loosen power reference connector assembly | 2018.06.12 |
| N1911A | Modification Recommended | N1911A-12 | 1mW Power Reference Failure | 2022.09.18 |
| N1912A | Modification Recommended | N1912A-07 | For the linearity test, the Logic for the Results column uses linear units for the measurement uncertainty, while the measurement is in percent. This can result in false passes. | 2014.09.02 |
| N1912A | Modification Recommended | N1912A-08A | Loosen power reference connector assembly | 2018.06.12 |
| N1912A | Modification Recommended | N1912A-12 | 1mW Power Reference Failure | 2022.09.18 |
| N1913A | Modification Recommended | N1913A-02 | User will not able to use N848x series power sensor with N1913A Average Power Meter | 2010.01.04 |
| N1913A | Modification Recommended | N1913A-03A | Lack of Front Sensor Input for N1913A–Option 108 | 2011.07.20 |
| N1913A | Modification Recommended | N1913A-04A | Lack of Front Sensor Input for N1913A–Option 109 | 2011.07.20 |
| N1913A | Modification Available | N1913A-05 | Upgrade of 2 Rear USB Ports for standard N1913A | 2011.05.25 |
| N1913A | Modification Available | N1913A-07A | Enhancement on Noise Measurement | 2016.09.20 |
| N1913A | Modification Recommended | N1913A-09 | Loosen power reference connector assembly | 2017.09.28 |
| N1913A | Modification Recommended | N1913A-11 | 1mW Power Reference Failure | 2022.09.18 |
| N1913A | Modification Recommended | N1913A-12 | Meter Display Brightness Intensity Control Malfunction | 2022.11.08 |
| N1914A | Modification Recommended | N1914A-02 | User will not able to use N848x series power sensor with N1914A Average Power Meter | 2010.01.04 |
| N1914A | Modification Recommended | N1914A-03A | Lack of Front Sensor Input for N1914A–Option 108 | 2011.07.20 |
| N1914A | Modification Recommended | N1914A-04A | Lack of Front Sensor Input for N1914A–Option 109 | 2011.07.20 |
| N1914A | Modification Available | N1914A-05 | Upgrade of 2 Rear USB Ports for standard N1914A | 2011.05.24 |
| N1914A | Modification Available | N1914A-07A | Enhancement on Noise Measurement | 2016.09.20 |
| N1914A | Modification Recommended | N1914A-09 | Loosen power reference connector assembly | 2017.10.02 |
| N1914A | Modification Recommended | N1914A-11 | 1mW Power Reference Failure | 2022.09.18 |
| N1914A | Modification Recommended | N1914A-12 | Meter Display Brightness Intensity Control Malfunction | 2022.11.08 |
| N1918A | Modification Recommended | N1918A-01 | Calibration Due Date feature in N1918A revision R01.02.00 does not work with U2000 Series USB power sensor with firmware revision A1.01.02 | 2008.01.02 |
| N1921A | Modification Recommended | N1921A-02A | Loose Bulkhead | 2008.06.16 |
| N1922A | Modification Recommended | N1922A-01A | Loose Bulkhead | 2008.06.16 |
| N1996A | Modification Recommended | N1996A-01C | Residual Responses due to Shield Problem on A4 Digital IF Assembly | 2009.09.01 |
| N1996A | Modification Recommended | N1996A-02A | Intermittent Boot-up Problems | 2007.04.05 |
| N1996A | Modification Recommended | N1996A-03 | DIF FPGA Upgrade Failure While Upgrading to >= A.02.00 Firmware | 2007.04.02 |
| N2268A | Modification Available | N2268A-01 | Improved SMA connector available to replace failed connectors. | 2004.06.16 |
| N2750A | Modification Recommended | N2750A-01 | The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. | 2023.10.10 |
| N2751A | Modification Recommended | N2751A-01 | The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. | 2023.10.10 |
| N2752A | Modification Recommended | N2752A-01 | The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. | 2023.10.10 |
| N2830A | Modification Recommended | N2830A-01 | Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. | 2017.08.02 |
| N2830A | Modification Recommended | N2830A-02 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N2831A | Modification Recommended | N2831A-01 | Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. | 2017.08.02 |
| N2831A | Modification Recommended | N2831A-02 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N2832A | Modification Recommended | N2832A-01 | Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. | 2017.08.02 |
| N2832A | Modification Recommended | N2832A-02 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N3300A | Modification Recommended | N3300A-01A | CC Source Regulation Out Of Specification | 2005.03.20 |
| N3301A | Modification Recommended | N3301A-01A | CC Source Regulation Out Of Specification | 2005.03.20 |
| N3302A | Modification Recommended | N3302A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3302A | Modification Recommended | N3302A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3303A | Modification Recommended | N3303A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3303A | Modification Recommended | N3303A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3304A | Modification Recommended | N3304A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3304A | Modification Recommended | N3304A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3305A | Modification Recommended | N3305A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3305A | Modification Recommended | N3305A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3306A | Modification Recommended | N3306A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3306A | Modification Recommended | N3306A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3306A | Modification Recommended | N3306A-02 | Current programming and readback accuracy may marginally out of spec at high current (100A – 120A). | 2023.04.10 |
| N3307A | Modification Recommended | N3307A-01 | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2022.06.23 |
| N3307A | Modification Recommended | N3307A-01A | There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up | 2023.04.16 |
| N3381A | Modification Recommended | N3381A-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| N3381A | Modification Recommended | N3381A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| N3381A | Modification Recommended | N3381A-03B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| N3381A | Modification Recommended | N3381A-04A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| N3382A | Modification Recommended | N3382A-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| N3382A | Modification Recommended | N3382A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| N3382A | Modification Recommended | N3382A-03B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| N3382A | Modification Recommended | N3382A-04A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| N3383A | Modification Recommended | N3383A-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| N3383A | Modification Recommended | N3383A-02A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| N3383A | Modification Recommended | N3383A-03B | "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." | 2007.10.31 |
| N3383A | Modification Recommended | N3383A-04A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| N4000A | Modification Recommended | N4000A-03 | N4000A with option 001, Type-N(m) connector only can cause the measured noise figure value of a device under test to be as much as 0.30 dB higher than it really is. | 2009.11.18 |
| N4010A | Modification Recommended | N4010A-01 | Customers may find the fan noise produced by the N4010A unacceptable | 2005.02.13 |
| N4010A | Modification Recommended | N4010A-03 | Intermittent Power-Up Issues Or Error Messages | 2006.02.26 |
| N4010A | Modification Recommended | N4010A-04 | Damaged Line Module Causes Instrument To Intermittently Re-boot | 2006.04.05 |
| N4010A | Modification Recommended | N4010A-06B | Performance Improvement for Units Equipped With Option 103 | 2010.03.10 |
| N4010A | Modification Recommended | N4010A-07 | Performance Improvement for Units With Excessive Timebase Drift | 2007.08.16 |
| N4010A | Modification Recommended | N4010A-08B | RF Assembly Reliability Issue | 2010.03.15 |
| N4010A | Modification Recommended | N4010A-09 | Firmware Defect May Affect The N4010A Noise Floor | 2008.08.05 |
| N4010A | Modification Recommended | N4010A-12 | RF Switch Power/Control Connector Susceptible To Damage | 2010.02.04 |
| N4010A | Modification Recommended | N4010A-14 | RF Switch Reliability Issue | 2010.06.02 |
| N4373B | Modification Recommended | N4373B-01A | An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment | 2019.02.27 |
| N4373C | Modification Recommended | N4373C-01A | An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment | 2019.02.27 |
| N4373D | Modification Recommended | N4373D-01A | An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment | 2019.02.27 |
| N4373E | Modification Recommended | N4373E-01 | The Unit has a cosmetic issue (black marks on the case which are not removable with alcohol) | 2022.10.25 |
| N4391A | Modification Recommended | N4391A-01 | Optical switch inside N4391A may not work properly under all circumstances Only ‘external Local Oscillator Mode’ is affected | 2012.04.15 |
| N4391A | Modification Recommended | N4391A-02 | Performance improvement for polarization tracking of transmitter back-to-back measurements on dual test set OMA’s | 2016.09.12 |
| N4391A | Modification Recommended | N4391A-03 | Performance improvement for dual scope OMA to solve unreliable synchronization between the two oscilloscopes | 2016.09.13 |
| N4392A | Modification Recommended | N4392A-01 | Recalibration required to get better performance Hardware Modification – installation of a service port | 2014.04.22 |
| N4431D | Modification Recommended | N4431D-01 | On certain N4431D units, the ECal Characterization Information which can be found in Keysight’s Network Analyzer display will show the Minimum Frequency of 9 kHz instead of 0 Hz. This is because the ECal does not have any characterization data below 9 kHz. | 2021.10.04 |
| N4690D | Modification Recommended | N4690D-01 | On certain N4690D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4690D | Modification Recommended | N4690D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4691D | Modification Recommended | N4691D-01 | On certain N4691D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4691D | Modification Recommended | N4691D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4692D | Modification Recommended | N4692D-01 | On certain N4692D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4692D | Modification Recommended | N4692D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4693D | Modification Recommended | N4693D-01 | On certain N4693D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4693D | Modification Recommended | N4693D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4694D | Modification Recommended | N4694D-01 | On certain N4694D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4694D | Modification Recommended | N4694D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4696D | Modification Recommended | N4696D-01 | On certain N4696D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. | 2023.03.15 |
| N4696D | Modification Recommended | N4696D-02 | A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. | 2021.12.08 |
| N4850A | Modification Recommended | N4850A-01 | Installation of spacer to eliminate grinding fan noise | 2008.09.02 |
| N4860A | Modification Recommended | N4860A-01 | Installation of spacer to eliminate grinding fan noise | 2008.09.02 |
| N4901A | Safety | N4901A-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| N4901B | Safety | N4901B-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| N4902A | Priority Safety | N4902A-01-S | Possible Fire Hazard | 2007.08.08 |
| N4902B | Safety | N4902B-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| N4903A | Safety | N4903A-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| N4903A | Modification Recommended | N4903A-02 | Software Update is required after repair due to a component change to the Analyzer Module starting Nov. 1, 2010. | 2010.12.05 |
| N4903A | Modification Recommended | N4903A-04 | Front plate has incorrect physical dimensions (wrong thickness) | 2012.03.12 |
| N4903A | Modification Recommended | N4903A-05A | Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” | 2013.06.19 |
| N4903A | Modification Recommended | N4903A-06 | Due to a configuration problem the “External PLL” clock mode selection may be hidden in the product GUI. | 2012.05.31 |
| N4903B | Modification Recommended | N4903B-01E | Wrong installation and / or setting of Agilent IO Libraries | 2011.05.08 |
| N4903B | Modification Recommended | N4903B-02A | Front plate has incorrect physical dimensions (wrong thickness) | 2012.03.12 |
| N4903B | Modification Recommended | N4903B-03 | Due to a Microsoft Windows configuration problem the N4903B WebServer does not start correctly. | 2012.01.20 |
| N4903B | Modification Recommended | N4903B-04 | Due to a Microsoft Windows configuration problem the N4903B does not respond to network “pings”. Apply the correct configuration steps described below to allow “pings” to be answered by the N4903B. | 2012.02.22 |
| N4903B | Modification Recommended | N4903B-05 | Due to a calibration problem the list of serial numbers above may have a potential Sinusoidal Jitter (SJ) performance problem which must be checked and repaired at the factory. | 2012.02.22 |
| N4903B | Modification Recommended | N4903B-06A | Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” | 2013.06.19 |
| N4903B | Modification Recommended | N4903B-07 | Due to a configuration problem the “External PLL” clock mode selection may be hidden in the product GUI. | 2012.05.31 |
| N4903B-J20 | Modification Recommended | N4903B-02A | Front plate has incorrect physical dimensions (wrong thickness) | 2012.03.12 |
| N4903B-J20 | Modification Recommended | N4903B-06A | Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” | 2013.06.19 |
| N4906B | Safety | N4906B-01A-S | POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit | 2012.12.11 |
| N4906B | Modification Recommended | N4906B-02B | There are 3 items to check and modify if required for proper configuration of the Agilent IOLibraries in the N4906B | 2013.04.10 |
| N4906B | Modification Recommended | N4906B-03 | Starting Nov. 1, 2010 the division will implement a component change in the Analyzer Module. This component change requires the software to be updated after a repair to at least version 3.53. Older software versions will not be able to recognize the new component in the spare part and the N4906B will not function. | 2010.11.04 |
| N4906B | Modification Recommended | N4906B-04 | Due to a Microsoft Windows configuration problem the N4906B does not respond to network “pings”. Apply the correct configuration steps described below to allow “pings” to be answered by the N4906B. | 2012.02.22 |
| N4951A | Modification Recommended | N4951A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4951A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4951B | Modification Recommended | N4951B-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4951B calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4952A | Modification Recommended | N4952A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4952A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4955A | Modification Recommended | N4955A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4955A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4956A | Modification Recommended | N4956A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4956A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4957A | Modification Recommended | N4957A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4957A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4960A | Modification Recommended | N4960A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4960A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4960A | Modification Recommended | N4960A-02 | Pattern Generator or Error Detector may have intermittent errors due to DC supply instability in the N4960A Controller. | 2015.05.19 |
| N4962A | Modification Recommended | N4962A-01 | Several N4962A bit error rate testers were shipped/repaired with an incorrect firmware version. | 2014.03.23 |
| N4965A | Modification Recommended | N4965A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4965A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4967A | Modification Recommended | N4967A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4967A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4972A | Modification Recommended | N4972A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4972A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4973A | Modification Recommended | N4973A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4973A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4974A | Modification Recommended | N4974A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4974A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N4975A | Modification Recommended | N4975A-01 | Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4975A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. | 2014.11.18 |
| N5009A | Modification Recommended | SJ10-01 | For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. | 2004.02.22 |
| N5009A | Modification Recommended | SJ10-02 | The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. | 2004.02.22 |
| N5009A | Modification Recommended | SJ10-03 | SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. | 2004.02.22 |
| N5009A | Priority Safety | SJ10-04-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5009A | Priority Safety | SJ10-05-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5009A | Safety | SJ10-06-S | Safety hazard caused by not being able to activate the E-Stop from the left side of machine | 2005.03.14 |
| N5009A | Safety | SJ10-07-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine | 2005.03.25 |
| N5010A | Modification Recommended | SJ10-01 | For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. | 2004.02.22 |
| N5010A | Modification Recommended | SJ10-02 | The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. | 2004.02.22 |
| N5010A | Modification Recommended | SJ10-03 | SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. | 2004.02.22 |
| N5010A | Priority Safety | SJ10-04-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5010A | Priority Safety | SJ10-05-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5010A | Safety | SJ10-06-S | Safety hazard caused by not being able to activate the E-Stop from the left side of machine | 2005.03.14 |
| N5010A | Safety | SJ10-07-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine | 2005.03.25 |
| N5011A | Modification Recommended | SJ10-01 | For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. | 2004.02.22 |
| N5011A | Modification Recommended | SJ10-02 | The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. | 2004.02.22 |
| N5011A | Modification Recommended | SJ10-03 | SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. | 2004.02.22 |
| N5011A | Priority Safety | SJ10-04-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5011A | Priority Safety | SJ10-05-S | Pinch hazards accessible through the side openings of the system | 2005.03.14 |
| N5011A | Safety | SJ10-06-S | Safety hazard caused by not being able to activate the E-Stop from the left side of machine | 2005.03.14 |
| N5011A | Safety | SJ10-07-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine | 2005.03.25 |
| N5054D | Modification Recommended | SJ50-17 | A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers. | 2008.04.23 |
| N5065A | Modification Recommended | SJ50-01 | Possibility of a conflict between the SJ GUI and the AWA GUI under certain conditions. | 2004.02.10 |
| N5065A | Modification Recommended | SJ50-02 | The Automatic Width Adjust on some SJ50 systems will move the rails ‘in’ if the “Out” button is pushed and ‘out’ if the “In” button is push. | 2004.02.10 |
| N5065A | Priority Safety | SJ50-03-S | The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard. | 2004.02.22 |
| N5065A | Modification Recommended | SJ50-04 | Cable Stress On Rear Hood Hinge | 2004.12.13 |
| N5065A | Safety | SJ50-05A-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine. | 2005.03.09 |
| N5065A | Priority Safety | SJ50-06B-S | Pinch Hazard accessible through the side openings of the system | 2005.03.09 |
| N5065A | Priority Safety | SJ50-07-S | Pinch Hazard accessible through the side openings of the system | 2005.03.15 |
| N5065A | Priority Safety | SJ50-08-S | Pinch Hazard accessible through the side openings of the system | 2005.03.15 |
| N5065A | Priority Safety | SJ50-09-S | Pinch Hazard accessible through the side openings of the system | 2005.03.15 |
| N5065A | Safety | SJ50-10-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine. | 2005.03.25 |
| N5065A | Priority Safety | SJ50-11-S | Monitor Power Cord insulation can be exposed causing a shock hazard. | 2005.09.12 |
| N5065A | Safety | SJ50-13-S | Pinch Hazard accessible through the side openings of the system | 2006.05.11 |
| N5065D | Modification Recommended | SJ50-17 | A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers. | 2008.04.23 |
| N5090A | Modification Recommended | SJ50-15 | Philips 15 Inch Monitor (150S6FG) susceptible to Burn in. | 2007.10.15 |
| N5090A | Modification Recommended | SJ50-16 | Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. | 2007.10.15 |
| N5090A | Priority Safety | SP50-02-S | The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard | 2004.02.22 |
| N5090A | Modification Recommended | SP50-03 | Cable Stress On Rear Hood Hinge | 2004.12.13 |
| N5090A | Safety | SP50-04B-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine. | 2005.03.09 |
| N5090A | Priority Safety | SP50-05A-S | Pinch Hazard accessible through the side openings of the system | 2005.03.09 |
| N5090A | Priority Safety | SP50-06-S | Pinch Hazard accessible through the side openings of the system | 2005.03.25 |
| N5090A | Priority Safety | SP50-07-S | Pinch Hazard accessible through the side openings of the system | 2005.03.25 |
| N5090A | Safety | SP50-08-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine. | 2005.03.25 |
| N5090A | Priority Safety | SP50-09-S | Monitor Power Cord insulation can be exposed causing a shock hazard. | 2005.09.12 |
| N5090A | Safety | SP50-12-S | Pinch Hazard accessible through the side openings of the system | 2006.05.11 |
| N5090A | Modification Recommended | SP50-14 | Modification required to enable screen saver so burn in will not be an issue on Monitor. | 2007.10.15 |
| N5090A | Modification Recommended | SP50-15 | Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. | 2007.10.15 |
| N5090D | Priority Safety | SP50-02-S | The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard. | 2004.02.22 |
| N5090D | Modification Recommended | SP50-03 | Cable Stress On Rear Hood Hinge | 2004.12.13 |
| N5090D | Safety | SP50-04B-S | Safety hazard caused by not being able to activate E-Stop from the left side of machine | 2005.03.09 |
| N5090D | Priority Safety | SP50-05A-S | Pinch hazard accessible through the side openings of the system | 2005.03.09 |
| N5090D | Priority Safety | SP50-06-S | Pinch Hazards accessible through the side openings of the system | 2005.03.25 |
| N5090D | Priority Safety | SP50-07-S | Pinch Hazards accessible through the side openings of the system | 2005.03.25 |
| N5090D | Safety | SP50-08-S | Safety Hazard caused by not being able to activate E-Stop from the left side of machine | 2005.03.25 |
| N5090D | Priority Safety | SP50-09-S | Monitor Power Cord insulation can be exposed causing a shock hazard | 2005.09.12 |
| N5090D | Safety | SP50-12-S | Pinch Hazards accessible through the side openings of the system | 2006.05.11 |
| N5090D | Modification Recommended | SP50-14 | Modification required to enable screen saver so burn in will not be an issue on Monitor. | 2007.10.15 |
| N5090D | Modification Recommended | SP50-15 | Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. | 2007.10.15 |
| N5090D | Modification Recommended | SP50-16 | A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers | 2008.04.22 |
| N5102A | Modification Recommended | N5102A-01 | N5102As were shipped to Japan without the proper “PSE” mark on the power supply module. | 2009.04.07 |
| N5106A | Modification Recommended | N5106A-01A | N5106A Falsely triggering waveform play / start when configured to use external trigger and the trigger device has an impedance of 1Mohm or higher. | 2009.02.12 |
| N5106A | Modification Recommended | N5106A-03 | The A11 System Clock board, (N5105-60006) has under rated components increasing the potential for early failure. | 2010.10.13 |
| N5166B | Information Only | N5166B-03 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5166B | Information Only | N5166B-03A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5171B | Modification Available | N5171B-05 | Self-Test 401 False Failures with Firmware Versions older than B.01.41 | 2019.11.12 |
| N5171B | Information Only | N5171B-07 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5171B | Information Only | N5171B-07A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5172B | Modification Available | N5172B-07 | Self-Test 401 False Failures with Firmware Versions older than B.01.41 | 2019.11.12 |
| N5172B | Information Only | N5172B-10 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5172B | Information Only | N5172B-10A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5173B | Information Only | N5173B-10 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5173B | Information Only | N5173B-10A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5181B | Modification Available | N5181B-05 | Self-Test 401 False Failures with Firmware Versions older than B.01.41 | 2019.11.12 |
| N5181B | Information Only | N5181B-08 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5181B | Information Only | N5181B-08A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5182B | Modification Available | N5182B-09 | Self-Test 401 False Failures with Firmware Versions older than B.01.41 | 2019.11.12 |
| N5182B | Information Only | N5182B-13 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5182B | Information Only | N5182B-13A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5183B | Information Only | N5183B-11 | A3 RF assembly boards showing Heater and Unlock errors | 2022.12.12 |
| N5183B | Information Only | N5183B-11A | A3 RF assembly boards showing Heater and Unlock errors | 2023.06.13 |
| N5191A | Modification Recommended | N5191A-01B | N5191A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder | 2022.01.09 |
| N5191A | Modification Available | N5191A-02 | N5191A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder | 2020.02.09 |
| N5193A | Modification Recommended | N5193A-01B | N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder | 2022.01.09 |
| N5193A | Modification Recommended | N5193A-01C | N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder | 2024.02.13 |
| N5193A | Modification Available | N5193A-02 | N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder | 2020.02.09 |
| N5221A | Modification Recommended | N5221A-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5221B | Modification Recommended | N5221B-01 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5222A | Modification Recommended | N5222A-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.06.02 |
| N5222AS | Modification Recommended | N5222AS-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5222B | Modification Recommended | N5222B-01 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5224A | Modification Recommended | N5224A-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5224A | Modification Recommended | N5224A-02 | Analyzers with serial numbers listed were shipped with test set motherboards that may eventually malfunction. | 2012.10.18 |
| N5224B | Modification Recommended | N5224B-01 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5225A | Modification Recommended | N5225A-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5225A | Modification Recommended | N5225A-03 | Analyzers with serial numbers listed were shipped with test set motherboards that may eventually malfunction. | 2012.10.18 |
| N5225B | Modification Recommended | N5225B-01 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5227A | Modification Recommended | N5227A-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5227A | Modification Recommended | N5227A-05 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5227B | Modification Recommended | N5227B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5230A | Modification Recommended | N5230A-01C | Older front panel interface boards should be replaced. | 2007.12.05 |
| N5230A | Modification Recommended | N5230A-02A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| N5230A | Modification Recommended | N5230A-03A | A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. | 2008.06.08 |
| N5230A | Modification Recommended | N5230A-05A | Replace Inverter board (0950-3379) due to faulty component. | 2008.04.28 |
| N5230A | Modification Available | N5230A-06A | Add-on mechanical components to enhance instrument reliability. | 2009.12.01 |
| N5230A | Modification Recommended | N5230A-07A | Possible faulty N5230A Option 220 performance due to defect in microcircuit assembly. | 2012.04.01 |
| N5230A | Modification Recommended | N5230A-RECALL-01A | Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. | 2011.05.03 |
| N5230C | Modification Recommended | N5230C-01A | A guard is available to protect the front-panel jumper cables during shipment. | 2009.09.02 |
| N5230C | Modification Recommended | N5230C-03 | Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. | 2010.02.04 |
| N5230C | Modification Recommended | N5230C-04A | Possible faulty N5230C Option 220 performance due to defect in microcircuit assembly. | 2012.04.01 |
| N5230C | Modification Recommended | N5230C-05 | Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. | 2012.02.22 |
| N5241A | Modification Recommended | N5241A-01F | Possible faulty N5241A performance due to defect in microcircuit assembly. | 2012.02.01 |
| N5241A | Modification Recommended | N5241A-03A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5241A | Modification Recommended | N5241A-04 | Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. | 2012.06.10 |
| N5241A | Modification Recommended | N5241A-13 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5241A | Modification Recommended | N5241A-RECALL-01 | Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. | 2011.04.12 |
| N5241AS | Modification Recommended | N5241AS-01 | Possible faulty N5241AS performance due to defect in microcircuit assembly. | 2010.09.20 |
| N5241AS | Modification Recommended | N5241AS-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.06.02 |
| N5241AS | Modification Recommended | N5241AS-05 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5241B | Modification Recommended | N5241B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5241B | Modification Recommended | N5241B-02 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5242A | Modification Recommended | N5242A-04G | Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. | 2012.04.01 |
| N5242A | Modification Recommended | N5242A-07A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5242A | Modification Recommended | N5242A-08 | Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. | 2012.06.10 |
| N5242A | Modification Recommended | N5242A-15 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5242A | Modification Recommended | N5242A-RECALL-01A | Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. | 2011.05.03 |
| N5242AH85 | Modification Recommended | N5242AH85-02G | Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. | 2012.02.01 |
| N5242AS | Modification Recommended | N5242AS-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.01.27 |
| N5242AS | Modification Recommended | N5242AS-01G | Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. | 2012.04.01 |
| N5242AS | Modification Recommended | N5242AS-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5242AS | Modification Recommended | N5242AS-03 | Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. | 2012.06.10 |
| N5242AS | Modification Recommended | N5242AS-05 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5242B | Modification Recommended | N5242B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5242B | Modification Recommended | N5242B-02 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5244A | Modification Recommended | N5244A-01 | Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. | 2012.02.22 |
| N5244A | Modification Recommended | N5244A-03A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5244A | Modification Recommended | N5244A-08 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5244AS | Modification Recommended | N5244AS-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5244AS | Modification Recommended | N5244AS-02 | Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. | 2012.06.10 |
| N5244B | Modification Recommended | N5244B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5244B | Modification Recommended | N5244B-02 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5245A | Modification Recommended | N5245A-02 | Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. | 2012.02.22 |
| N5245A | Modification Recommended | N5245A-04A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5245A | Modification Recommended | N5245A-05 | Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. | 2012.06.10 |
| N5245A | Modification Recommended | N5245A-09 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5245A | Modification Recommended | N5245A-RECALL-01 | Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. | 2011.05.03 |
| N5245AS | Modification Recommended | N5245AS-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5245B | Modification Recommended | N5245B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5245B | Modification Recommended | N5245B-02 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5247A | Modification Recommended | N5247A-02A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5247AS | Modification Recommended | N5247AS-01A | Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. | 2013.05.28 |
| N5247B | Modification Recommended | N5247B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5247B | Modification Recommended | N5247B-03 | A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. | 2021.09.27 |
| N5249A | Modification Recommended | N5249A-05 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5249B | Modification Recommended | N5249B-01 | A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. | 2019.02.07 |
| N5250A | Modification Recommended | N5250A-01 | The 3 Amp fast-blow line fuse shipped in the N5260A units is the incorrect type. | 2007.09.24 |
| N5250A | Modification Recommended | N5250A-02 | The customer must update the E8361A PNA Network Analyzer firmware to version A.06.03.09 or later to address a known issue with analyzer operation up to 110 GHz. | 2007.09.25 |
| N5260A | Modification Recommended | N5260A-01 | The 3 Amp fast-blow line fuse shipped in the N5260A units is the incorrect type | 2007.09.24 |
| N5260A | Modification Recommended | N5260A-02 | Add toroids to N5260A to reduce powr supply line interference. | 2009.01.21 |
| N5511A | Modification Recommended | N5511A-01 | The N5511A fan grommets break down over a 1 to 3 year period and need to be replaced. | 2024.01.31 |
| N5540A | Safety | N5540A-01-S | Potential power supply failure | 2007.09.26 |
| N5541A | Safety | N5541A-01-S | Potential power supply failure | 2007.09.26 |
| N5542A | Safety | N5542A-01-S | Potential power supply failure | 2007.09.26 |
| N5741A | Modification Recommended | N5741A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5741A | Modification Recommended | N5741A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5741A | Modification Recommended | N5741A-06A | Firmware update on previous select versions. | 2016.01.19 |
| N5741A | Safety | N5741A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5741A | Information Only | N5741A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5742A | Modification Recommended | N5742A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5742A | Modification Recommended | N5742A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5742A | Modification Recommended | N5742A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5742A | Safety | N5742A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5743A | Modification Recommended | N5743A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5743A | Modification Recommended | N5743A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5743A | Modification Recommended | N5743A-06A | Firmware update on previous select versions. | 2016.01.19 |
| N5743A | Safety | N5743A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5743A | Information Only | N5743A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5744A | Modification Recommended | N5744A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.16 |
| N5744A | Modification Recommended | N5744A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5744A | Modification Recommended | N5744A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5744A | Safety | N5744A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5744A | Information Only | N5744A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5745A | Modification Recommended | N5745A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.16 |
| N5745A | Modification Recommended | N5745A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5745A | Modification Recommended | N5745A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5745A | Safety | N5745A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5745A | Information Only | N5745A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5746A | Modification Recommended | N5746A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5746A | Modification Recommended | N5746A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.15 |
| N5746A | Modification Recommended | N5746A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5746A | Safety | N5746A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5746A | Information Only | N5746A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5747A | Modification Recommended | N5747A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5747A | Modification Recommended | N5747A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5747A | Modification Recommended | N5747A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5747A | Safety | N5747A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5747A | Information Only | N5747A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5748A | Modification Recommended | N5748A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5748A | Modification Recommended | N5748A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5748A | Modification Recommended | N5748A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5748A | Safety | N5748A-07A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5748A | Information Only | N5748A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5749A | Modification Recommended | N5749A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5749A | Modification Recommended | N5749A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5749A | Modification Recommended | N5749A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5749A | Information Only | N5749A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5750A | Safety | N5750A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5750A | Modification Recommended | N5750A-07A | Firmware update on previous select versions. | 2016.01.14 |
| N5750A | Safety | N5750A-08A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5750A | Information Only | N5750A-10 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5751A | Safety | N5751A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5751A | Modification Recommended | N5751A-07A | Firmware update on previous select versions. | 2016.01.14 |
| N5751A | Safety | N5751A-08A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5751A | Information Only | N5751A-10 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5752A | Safety | N5752A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5752A | Modification Recommended | N5752A-07A | Firmware update on previous select versions. | 2016.01.14 |
| N5752A | Safety | N5752A-08A-S | Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) | 2017.05.11 |
| N5752A | Information Only | N5752A-10 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5761A | Modification Recommended | N5761A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5761A | Modification Recommended | N5761A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5761A | Modification Recommended | N5761A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5761A | Information Only | N5761A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5762A | Modification Recommended | N5762A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5762A | Modification Recommended | N5762A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5762A | Modification Recommended | N5762A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5763A | Modification Recommended | N5763A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5763A | Modification Recommended | N5763A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5763A | Modification Recommended | N5763A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5763A | Information Only | N5763A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5764A | Modification Recommended | N5764A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5764A | Modification Recommended | N5764A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5764A | Modification Recommended | N5764A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5764A | Information Only | N5764A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5765A | Modification Recommended | N5765A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5765A | Modification Recommended | N5765A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5765A | Modification Recommended | N5765A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5765A | Information Only | N5765A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5766A | Modification Recommended | N5766A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5766A | Modification Recommended | N5766A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5766A | Modification Recommended | N5766A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5766A | Information Only | N5766A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5767A | Modification Recommended | N5767A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5767A | Modification Recommended | N5767A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5767A | Modification Recommended | N5767A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5767A | Information Only | N5767A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5768A | Modification Recommended | N5768A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5768A | Modification Recommended | N5768A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5768A | Modification Recommended | N5768A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5768A | Information Only | N5768A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5769A | Modification Recommended | N5769A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N5769A | Modification Recommended | N5769A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N5769A | Modification Recommended | N5769A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5769A | Information Only | N5769A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5770A | Safety | N5770A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5770A | Modification Recommended | N5770A-06A | Firmware update on previous select versions. | 2016.01.14 |
| N5770A | Information Only | N5770A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5771A | Safety | N5771A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5771A | Modification Recommended | N5771A-07A | Firmware update on previous select versions. | 2016.01.14 |
| N5771A | Information Only | N5771A-09 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5772A | Safety | N5772A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N5772A | Modification Recommended | N5772A-07A | Firmware update on previous select versions. | 2016.01.14 |
| N5772A | Information Only | N5772A-09 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.17 |
| N5991HP1A | Information Only | N5991HP1A-01 | Some early M9537A units with Windows Operating System versions older than Windows 10 IoT Enterprise LTSC (64-bit) are no longer supported by Windows normal life cycle. The N5991HP1A version v1.3.x.x and above only supports a minimum of Windows 10, version 1809. | 2024.02.19 |
| N5998A | Modification Recommended | N5998A-01 | Firmware update to turn pre-release units into final units. | 2007.12.12 |
| N5998A | Modification Recommended | N5998A-02 | In certain cases the N5998A does not capture HDMI 1080p signals correctly and shows pixel errors after capturing HDMI frames. | 2008.06.10 |
| N5998A | Modification Recommended | N5998A-03 | Serial Numbers: Any with N5998U-R14 upgrade certificate Firmware update version 0x0141 is required to generate and capture HDMI V1.4 3D packets. N5998U-R14 upgrade for HDMI V1.4 packet capture and generation is required to obtain firmware version 0x0141. | 2010.01.03 |
| N6700B | Modification Recommended | N6700B-01 | Firmware update will address an issue where multiple N6700B DC Power | 2005.06.07 |
| N6700B | Modification Available | N6700B-02 | The N6700B mainframe will produce a common mode spike upon turn on. There is a core available that will reduce the amplitude of the spike. | 2006.04.09 |
| N6700B | Modification Recommended | N6700B-03 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N6700B | Modification Recommended | N6700B-05 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6700C | Modification Recommended | N6700C-01 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6700C | Modification Recommended | N6700C-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6700C | Modification Recommended | N6700C-05 | Front Panel Display Flickering | 2022.09.21 |
| N6700C | Modification Recommended | N6700C-06 | Unit may not be able to power on when user switches on from the front panel. | 2023.10.30 |
| N6700C | Modification Recommended | N6700C-08 | The units may experience a sudden power off during operation | 2024.02.19 |
| N6701A | Modification Recommended | N6701A-01 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N6701A | Modification Recommended | N6701A-03 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6701C | Modification Recommended | N6701C-01 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6701C | Modification Recommended | N6701C-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6701C | Modification Recommended | N6701C-05 | Front Panel Display Flickering | 2022.09.21 |
| N6701C | Modification Recommended | N6701C-06 | Unit may not be able to power on when user switches on from the front panel. | 2023.10.30 |
| N6702A | Modification Recommended | N6702A-01 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N6702A | Modification Recommended | N6702A-03 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6702C | Modification Recommended | N6702C-01 | No display/display flickering. Error related to the latch on connectors J50 opening. | 2018.07.16 |
| N6702C | Modification Recommended | N6702C-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6702C | Modification Recommended | N6702C-05 | Unit may not be able to power up when user switches on from the front panel | 2022.06.29 |
| N6702C | Modification Recommended | N6702C-06 | Front Panel Display Flickering | 2022.09.21 |
| N6702C | Modification Recommended | N6702C-07 | Unit may not be able to power on when user switches on from the front panel. | 2023.10.30 |
| N6705A | Modification Recommended | N6705A-01A | Intermittent power on resets and power on lock ups | 2007.10.15 |
| N6705A | Modification Recommended | N6705A-02B | Restricting the movement of the Front Panel FFC Cable | 2007.11.08 |
| N6705A | Modification Recommended | N6705A-03A | Possible voltage may be present on the AC Input Filter Module | 2007.10.30 |
| N6705A | Modification Recommended | N6705A-04B | There is a possibility that N675xA and N676xA DC power modules will output an unexpected voltage with firmware revision A.02.03. All units with A.02.03 firmware must be upgraded to more recent firmware. | 2009.11.19 |
| N6705A | Safety | N6705A-05B-S | The safety ground connectors for specific serial numbers need to be verified for proper installation. | 2009.04.20 |
| N6715A | Modification Recommended | N6715A-01A | Intermittent power on resets and power on lock ups | 2007.10.15 |
| N6715A | Modification Recommended | N6715A-02B | Restricting the movement of the Front Panel FFC Cable | 2007.11.08 |
| N6715A | Modification Recommended | N6715A-03A | Possible voltage may be present on the AC Input Filter Module | 2007.10.30 |
| N6731B | Modification Recommended | N6731B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6732B | Modification Recommended | N6732B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6733B | Modification Recommended | N6733B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6734B | Modification Recommended | N6734B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6734B | Modification Recommended | N6734B-02 | Unit may exhibit ‘Channel Failed’ error. | 2019.08.12 |
| N6735B | Modification Recommended | N6735B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6736B | Modification Recommended | N6736B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6741B | Modification Recommended | N6741B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6741B | Modification Recommended | N6741B-02 | Current programming accuracy may be out of specification at 60mA | 2022.06.01 |
| N6742B | Modification Recommended | N6742B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6743B | Modification Recommended | N6743B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6744B | Modification Recommended | N6744B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6744B | Modification Recommended | N6744B-02 | Unit may exhibit ‘Channel Failed’ error. | 2019.08.12 |
| N6745B | Modification Recommended | N6745B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6746B | Modification Recommended | N6746B-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6761A | Modification Recommended | N6761A-01 | The low range current programming accuracy can drift out of specification despite the fact that the unit is within the one year calibration interval. | 2006.11.13 |
| N6761A | Modification Recommended | N6761A-02 | Firmware update will address an issue where N6700A, N6700B, N6701A and N6702A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). | 2008.11.06 |
| N6761A | Modification Recommended | N6761A-03 | Firmware update will address an issue where N6705A and N6715A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). | 2009.01.05 |
| N6762A | Modification Recommended | N6762A-01 | The low range current programming accuracy can drift out of specification despite the fact that the unit is within the one year calibration interval. | 2006.11.13 |
| N6762A | Modification Recommended | N6762A-02 | Firmware update will address an issue where N6700A, N6700B, N6701A and N6702A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). | 2008.11.06 |
| N6762A | Modification Recommended | N6762A-03 | Firmware update will address an issue where N6705A and N6715A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). | 2009.01.05 |
| N6773A | Modification Recommended | N6773A-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6774A | Modification Recommended | N6774A-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6775A | Modification Recommended | N6775A-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6776A | Modification Recommended | N6776A-01 | Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. | 2006.11.16 |
| N6777A | Safety | N6777A-01-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N6781A | Modification Recommended | N6781A-02 | N6781A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. | 2013.01.07 |
| N6782A | Modification Recommended | N6782A-02 | N6782A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. | 2013.01.07 |
| N6784A | Modification Recommended | N6784A-01 | N6784A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. | 2013.01.07 |
| N6841A | Modification Recommended | N6841A-01 | High band amplifier gain could degrade over time. | 2010.10.24 |
| N6950A | Modification Recommended | N6950A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N6950A | Modification Recommended | N6950A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6951A | Modification Recommended | N6951A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N6951A | Modification Recommended | N6951A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6952A | Modification Recommended | N6952A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N6952A | Modification Recommended | N6952A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6953A | Modification Recommended | N6953A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N6953A | Modification Recommended | N6953A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6954A | Modification Recommended | N6954A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N6970A | Modification Recommended | N6970A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6971A | Modification Recommended | N6971A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6972A | Modification Recommended | N6972A-02 | Intermittent LCD Blank display | 2018.02.08 |
| N6972A | Modification Recommended | N6972A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6973A | Modification Recommended | N6973A-02 | Non-RoHS compliance due to two leaded resistors. | 2019.05.05 |
| N6973A | Modification Recommended | N6973A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6974A | Modification Recommended | N6974A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6976A | Modification Recommended | N6976A-02 | Non-RoHS compliance due to two leaded resistors. | 2019.05.05 |
| N6976A | Modification Recommended | N6976A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N6977A | Modification Recommended | N6977A-02 | Non-RoHS compliance due to two leaded resistors. | 2019.05.05 |
| N6977A | Modification Recommended | N6977A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7000A | Modification Recommended | N7000A-01 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N7001A | Modification Recommended | N7001A-01 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N7002A | Modification Recommended | N7002A-01 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N7003A | Modification Recommended | N7003A-01 | With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. | 2018.05.21 |
| N7019A | Modification Recommended | N7019A-01 | The N7019A can fail when used above 5V/3A. | 2022.06.07 |
| N7270A | Modification Available | 5DX-66D | X-axis and Y-axis E-chain cable wear | 2008.05.27 |
| N7270A | Modification Recommended | 5DX-84B | Z-Axis Shoulder Bolt Screws Easily Broken | 2008.09.09 |
| N7270AR | Modification Recommended | 5DX-24 | New fuses fo 50Hz Series II System | 1998.10.13 |
| N7270AR | Safety | 5DX-39-S | Possible X-Ray Radiation Hazard | 1998.12.31 |
| N7270AR | Modification Available | 5DX-42 | Interlock switch upgrade kit to improve reliability | 2000.10.25 |
| N7270AR | Modification Available | 5DX-43 | Upgrade kit for cable and interlock switches on inner barrier | 2000.10.25 |
| N7270AR | Modification Recommended | 5DX-44 | IHVPS Delay Cable Upgrade increases the reliability of the Interlock Chain | 2000.10.31 |
| N7270AR | Modification Recommended | 5DX-46 | Kayak controller power wake-up resolution | 2000.11.01 |
| N7270AR | Modification Recommended | 5DX-47 | Modifications to correct interbarrier problems | 2000.10.25 |
| N7270AR | Modification Recommended | 5DX-48A | Potential X-Ray Emission | 2000.10.31 |
| N7270AR | Priority Safety | 5DX-50-S | Possible X-Ray Radiation Hazard | 2000.05.31 |
| N7270AR | Modification Available | 5DX-51 | DC Servo Motor Reliability Upgrade | 2001.01.04 |
| N7270AR | Modification Available | 5DX-54 | An adjustment can be made to the 48-volt power supply to correct Z-axis errors on early series3 systems | 2002.05.29 |
| N7270AR | Safety | 5DX-55-S | Moving inner barrier hazard | 2001.04.30 |
| N7270AR | Modification Available | 5DX-57 | An improved Panel Clear Sensor is available for Series 2L Systems. | 2002.04.30 |
| N7270AR | Modification Available | 5DX-58 | Panel in place sensor upgrade | 2001.08.21 |
| N7270AR | Modification Available | 5DX-59 | A kit is a available to modify the 48-volt power supply to 65 volts | 2002.05.29 |
| N7270AR | Safety | 5DX-60-S | Potential falling panel and pinch hazard | 2001.03.31 |
| N7270AR | Modification Recommended | 5DX-61 | Modification to E-chain retainer bracket | 2001.06.05 |
| N7270AR | Safety | 5DX-62-S | X-ray radiation levels may exceed specs | 2002.08.13 |
| N7270AR | Modification Available | 5DX-63 | Fixed rail may require adjustment | 2001.06.07 |
| N7270AR | Modification Recommended | 5DX-64 | Integrated high voltage power supply communication problem | 2001.10.24 |
| N7270AR | Modification Available | 5DX-65 | Camera Utility verifies 5DX Series 2 System's measured solder thickness. | 2004.03.25 |
| N7270AR | Modification Recommended | 5DX-66C | X-axis and Y-axis E-Chain Cable Wear | 2006.06.19 |
| N7270AR | Safety | 5DX-67-S | POSSIBLE X-ray Emissions HAZARD | 2002.01.27 |
| N7270AR | Safety | 5DX-68-S | X-ray emissions above the Agilent specification possible on the bottom of the system between the tub (rotary axis enclosure) and the back of the system. The kit listed in this service note must be installed when this failure occurs. | 2002.01.31 |
| N7270AR | Modification Available | 5DX-69 | The Panel Clear Sensor used on the 5DX Series 5000 is now available as a customer installable upgrade for Series 3 Systems | 2002.07.07 |
| N7270AR | Priority Safety | 5DX-70-S | POSSIBLE SERIOUS INJURY OR DEATH | 2002.02.14 |
| N7270AR | Priority Safety | 5DX-71-S | POSSIBLE SHOCK HAZARD | 2002.07.29 |
| N7270AR | Modification Available | 5DX-72 | The screws used to mount the Z-linear rails can become loose, which can cause the stage to be limited in its z-motion leading to alignment and surface mapping errors. New screws and lock washers are available to fix this problem. | 2002.08.18 |
| N7270AR | Modification Recommended | 5DX-73 | A new cable is available to allow the 5DX Laser Diodes to be turned off when not in use. This will significantly increase the life of the Laser assemblies. | 2003.04.20 |
| N7270AR | Modification Available | 5DX-75 | PS/2 Keyboard /Mouse Extender Lockup Problem | 2004.12.22 |
| N7270AR | Safety | 5DX-76-S | POSSIBLE ELECTRICAL SHOCK HAZARD | 2005.08.17 |
| N7270AR | Safety | 5DX-77-S | POSSIBLE ELECTRICAL SHOCK HAZARD | 2005.07.28 |
| N7270AR | Modification Recommended | 5DX-78 | Release of 5DX Windows XP System Controller Emergency Recovery Kits. | 2005.05.09 |
| N7270AR | Priority Safety | 5DX-79-S | POSSIBLE ELECTRICAL SHOCK HAZARD | 2005.07.28 |
| N7270AR | Modification Recommended | 5DX-81B | 5DX Digital I/O Inspection Instructions for Potentially PCA shorts | 2006.05.10 |
| N7270AR | Safety | 5DX-82A-S | The E1135A/B/C PDU may not turn off when the EMO switch (emergency stop) is pressed. | 2007.05.22 |
| N7270AR | Safety | 5DX-83A-S | POSSIBLE LASER EMISSION HAZARD | 2005.08.30 |
| N7270AR | Modification Recommended | 5DX-85A | Heavy PCA causing PIP Sticking Problem | 2007.05.23 |
| N7270AR | Modification Available | 5DX-86 | Imaging Camera Resolution Degrading over time | 2006.09.10 |
| N7270AR | Modification Recommended | 5DX-87 | Wrong Motion Driver Profiles Loaded into 5DX Servo Driver Modules | 2006.09.10 |
| N7270AR | Modification Recommended | 5DX-88 | Undetectable Mouse or DOA Mouse | 2007.03.05 |
| N7271A | Modification Available | 5DX-66D | X-axis and Y-axis E-chain cable wear | 2008.05.27 |
| N7271A | Modification Recommended | 5DX-84B | Z-Axis Shoulder Bolt Screws Easily Broken | 2008.09.09 |
| N7280A | Safety | X6000-05-S | X-ray emissions above the Agilent specification are possible from an inner barrier that has only 2 screws holding the lead bar onto the drive bar. After 100,000s of cycles the lead bar may crack in half which may cause higher radiation leakage when the left outer barrier is opened. | 2011.01.05 |
| N7550A | Modification Available | N7550A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7551A | Modification Available | N7551A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7552A | Modification Available | N7552A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7553A | Modification Available | N7553A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7554A | Modification Available | N7554A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7555A | Modification Available | N7555A-01 | Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. | 2018.08.06 |
| N7744A | Modification Recommended | N7744A-01 | Correction of calibration data recommended for absolute power measurement. The contribution of temperature dependence has been improperly applied in the data saved on these units, which offsets the power readings at longer wavelengths. Relative power changes are not impacted. | 2019.07.25 |
| N7745A | Modification Recommended | N7745A-01 | Correction of calibration data recommended for absolute power measurement. The contribution of temperature dependence has been improperly applied in the data saved on these units, which offsets the power readings at longer wavelengths. Relative power changes are not impacted. | 2019.07.25 |
| N7768A | Modification Recommended | N7768A-01 | Potential data inconsistency causing measurement drift. | 2023.06.26 |
| N7782B | Modification Recommended | N7782B-01 | Poor PER measurement due to noisy SOP values | 2012.08.13 |
| N7784B | Modification Recommended | N7784B-01 | Poor SOP stabilization performance due to noisy optical feedback signal | 2012.08.13 |
| N7786B | Modification Recommended | N7786B-01 | Noisy SOP values at low optical input power level | 2012.08.13 |
| N7788B | Modification Recommended | N7788B-01A | Optical switch inside N7788B may not work properly under all circumstances | 2012.05.31 |
| N7788B | Modification Recommended | N7788B-02 | Noisy SOP values at low optical input power level | 2012.08.13 |
| N7950A | Modification Recommended | N7950A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N7950A | Modification Recommended | N7950A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7951A | Modification Recommended | N7951A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N7951A | Modification Recommended | N7951A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7952A | Modification Recommended | N7952A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N7952A | Modification Recommended | N7952A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7953A | Modification Recommended | N7953A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N7953A | Modification Recommended | N7953A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7954A | Modification Recommended | N7954A-02 | Charge Present on the AC terminal when unplugging the unit. | 2017.10.29 |
| N7954A | Modification Recommended | N7954A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7970A | Modification Recommended | N7970A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7971A | Modification Recommended | N7971A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7972A | Modification Recommended | N7972A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7974A | Modification Recommended | N7974A-04 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7976A | Modification Recommended | N7976A-02 | Non-RoHS compliance due to two leaded resistors. | 2019.05.05 |
| N7976A | Modification Recommended | N7976A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N7977A | Modification Recommended | N7977A-02 | Non-RoHS compliance due to two leaded resistors. | 2019.05.05 |
| N7977A | Modification Recommended | N7977A-05 | Front Panel Keypad Incorrect Function Error | 2021.09.27 |
| N8262A | Modification Recommended | N8262A-01 | Power Switch Wrong Orientation | 2016.03.08 |
| N8262A | Modification Recommended | N8262A-02 | Intermittent LAN Connectivity | 2016.04.06 |
| N8262A | Modification Recommended | N8262A-03 | Internal fan functionality and abnormal sound | 2017.02.15 |
| N8262A | Modification Recommended | N8262A-04 | 1mW Power Reference Failure | 2022.09.18 |
| N8300A | Modification Recommended | N8300A-01 | Firmware & License Upgrades Affected By User Permissions | 2008.03.17 |
| N8300A | Modification Recommended | N8300A-03 | Batch Related Component Issue May Result In A Non-Functioning Instrument | 2008.08.17 |
| N8481A | Modification Recommended | N8481A-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8481B | Modification Recommended | N8481B-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8481H | Modification Recommended | N8481H-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8482A | Modification Recommended | N8482A-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8482B | Modification Recommended | N8482B-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8482H | Modification Recommended | N8482H-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8485A | Modification Recommended | N8485A-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8486AQ | Modification Recommended | N8486AQ-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8486AR | Modification Recommended | N8486AR-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8487A | Modification Recommended | N8487A-02 | “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) | 2010.02.04 |
| N8731A | Modification Recommended | N8731A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8731A | Modification Recommended | N8731A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8731A | Modification Recommended | N8731A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8731A | Modification Recommended | N8731A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8731A | Safety | N8731A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8731A | Information Only | N8731A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8732A | Modification Recommended | N8732A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8732A | Modification Recommended | N8732A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8732A | Modification Recommended | N8732A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8732A | Safety | N8732A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8733A | Modification Recommended | N8733A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8733A | Modification Recommended | N8733A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8733A | Modification Recommended | N8733A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8733A | Safety | N8733A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8733A | Information Only | N8733A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8734A | Modification Recommended | N8734A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8734A | Modification Recommended | N8734A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8734A | Modification Recommended | N8734A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8734A | Modification Recommended | N8734A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8734A | Safety | N8734A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8735A | Modification Recommended | N8735A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8735A | Modification Recommended | N8735A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8735A | Modification Recommended | N8735A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8735A | Modification Recommended | N8735A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8735A | Safety | N8735A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.17 |
| N8735A | Information Only | N8735A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8736A | Modification Recommended | N8736A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8736A | Modification Recommended | N8736A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8736A | Modification Recommended | N8736A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8736A | Modification Recommended | N8736A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8736A | Safety | N8736A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8736A | Information Only | N8736A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8737A | Modification Recommended | N8737A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8737A | Modification Recommended | N8737A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8737A | Modification Recommended | N8737A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8737A | Modification Recommended | N8737A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8737A | Safety | N8737A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8737A | Information Only | N8737A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8738A | Modification Recommended | N8738A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8738A | Modification Recommended | N8738A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8738A | Modification Recommended | N8738A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8738A | Modification Recommended | N8738A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8738A | Safety | N8738A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8738A | Information Only | N8738A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8739A | Modification Recommended | N8739A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8739A | Modification Recommended | N8739A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8739A | Modification Recommended | N8739A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8739A | Modification Recommended | N8739A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8739A | Safety | N8739A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8739A | Information Only | N8739A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8740A | Modification Recommended | N8740A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8740A | Safety | N8740A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8740A | Modification Recommended | N8740A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8740A | Safety | N8740A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8740A | Information Only | N8740A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8741A | Modification Recommended | N8741A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8741A | Safety | N8741A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8741A | Modification Recommended | N8741A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8741A | Safety | N8741A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8741A | Information Only | N8741A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8742A | Modification Recommended | N8742A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8742A | Safety | N8742A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8742A | Modification Recommended | N8742A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8742A | Safety | N8742A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8742A | Information Only | N8742A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8754A | Modification Recommended | N8754A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8754A | Modification Recommended | N8754A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8754A | Modification Recommended | N8754A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8754A | Safety | N8754A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8755A | Modification Recommended | N8755A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8755A | Modification Recommended | N8755A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8755A | Modification Recommended | N8755A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8755A | Safety | N8755A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8756A | Modification Recommended | N8756A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8756A | Modification Recommended | N8756A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8756A | Modification Recommended | N8756A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8756A | Modification Recommended | N8756A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8756A | Safety | N8756A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8757A | Modification Recommended | N8757A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8757A | Modification Recommended | N8757A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8757A | Modification Recommended | N8757A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8757A | Modification Recommended | N8757A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8757A | Safety | N8757A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8757A | Information Only | N8757A-07 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8758A | Modification Recommended | N8758A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8758A | Modification Recommended | N8758A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8758A | Modification Recommended | N8758A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8758A | Safety | N8758A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8759A | Modification Recommended | N8759A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8759A | Modification Recommended | N8759A-02 | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.07.15 |
| N8759A | Modification Recommended | N8759A-03 | During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure | 2013.07.16 |
| N8759A | Modification Recommended | N8759A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8759A | Safety | N8759A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.28 |
| N8760A | Modification Recommended | N8760A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8760A | Safety | N8760A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8760A | Modification Recommended | N8760A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8760A | Safety | N8760A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.26 |
| N8760A | Information Only | N8760A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8761A | Modification Recommended | N8761A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8761A | Safety | N8761A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8761A | Modification Recommended | N8761A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8761A | Safety | N8761A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8762A | Modification Recommended | N8762A-01 | The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. | 2011.11.13 |
| N8762A | Safety | N8762A-02-S | The web page served from these products to a web browser running Java 7 displays the incorrect output state. | 2013.06.20 |
| N8762A | Modification Recommended | N8762A-05A | Firmware update on previous select versions. | 2016.01.14 |
| N8762A | Safety | N8762A-06 | Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. | 2018.11.20 |
| N8762A | Information Only | N8762A-08 | Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. | 2023.05.18 |
| N8920A | Modification Recommended | N8920A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.19 |
| N8920A | Modification Recommended | N8920A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.15 |
| N8921A | Modification Recommended | N8921A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8921A | Modification Recommended | N8921A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8923A | Modification Recommended | N8923A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8924A | Modification Recommended | N8924A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8924A | Modification Recommended | N8924A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8925A | Modification Recommended | N8925A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8925A | Modification Recommended | N8925A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8926A | Modification Recommended | N8926A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8928A | Modification Recommended | N8928A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8928A | Modification Recommended | N8928A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8929A | Modification Recommended | N8929A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8929A | Modification Recommended | N8929A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8930A | Modification Recommended | N8930A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2019.11.30 |
| N8930A | Modification Recommended | N8930A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8931A | Modification Recommended | N8931A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.21 |
| N8931A | Modification Recommended | N8931A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8932A | Modification Recommended | N8932A-01 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8934A | Modification Recommended | N8934A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8934A | Modification Recommended | N8934A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8935A | Modification Recommended | N8935A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8935A | Modification Recommended | N8935A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8937A | Modification Recommended | N8937A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8937A | Modification Recommended | N8937A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8940A | Modification Recommended | N8940A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8940A | Modification Recommended | N8940A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8941A | Modification Recommended | N8941A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8941A | Modification Recommended | N8941A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8943A | Modification Recommended | N8943A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8943A | Modification Recommended | N8943A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8944A | Modification Recommended | N8944A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8944A | Modification Recommended | N8944A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8945A | Modification Recommended | N8945A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8945A | Modification Recommended | N8945A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8946A | Modification Recommended | N8946A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8946A | Modification Recommended | N8946A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8948A | Modification Recommended | N8948A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8948A | Modification Recommended | N8948A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8949A | Modification Recommended | N8949A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8950A | Modification Recommended | N8950A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8950A | Modification Recommended | N8950A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8951A | Modification Recommended | N8951A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8951A | Modification Recommended | N8951A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8952A | Modification Recommended | N8952A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8952A | Modification Recommended | N8952A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N8954A | Modification Recommended | N8954A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8955A | Modification Recommended | N8955A-01 | Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. | 2016.06.22 |
| N8955A | Modification Recommended | N8955A-02 | Unit may encounter intermittently keypad stuck when pressing the keys at front panel. | 2023.06.26 |
| N9000A | Modification Available | N9000A-07 | Tighten the Screws on Shields of RF Board to Improve the Residual Response Performance | 2018.03.06 |
| N9000B | Safety | N9000B-01-S | Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer | 2018.05.24 |
| N9010A | Modification Recommended | N9010A-04 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9010B | Safety | N9010B-01A-S | Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer. | 2018.09.03 |
| N9010B | Modification Recommended | N9010B-02 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9020A | Modification Recommended | N9020A-05 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9020B | Safety | N9020B-01-S | Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer. | 2018.05.24 |
| N9020B | Modification Recommended | N9020B-02 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9021B | Modification Recommended | N9021B-01 | Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 532 (32 GHz), 544 (44 GHz) or option 550 (50 GHz) analyzers. | 2021.02.28 |
| N9030A | Modification Recommended | N9030A-07 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9030B | Modification Recommended | N9030B-01 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9030B | Modification Recommended | N9030B-04 | Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) or option 550 (50 GHz) analyzers. | 2021.02.28 |
| N9038A | Modification Recommended | N9038A-04 | Instruments with option DP2 need to have software version A.13.60 or newer | 2014.03.18 |
| N9038A | Modification Available | N9038A-05 | Reduce Unspecified Residual Responses Between 400 and 600 MHz | 2014.12.03 |
| N9038A | Modification Recommended | N9038A-07 | Change to SCPI command can affect the returned Y-Axis units | 2016.04.26 |
| N9038A | Modification Recommended | N9038A-08 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.05 |
| N9038A | Modification Recommended | N9038A-10 | The existing CE regulatory Class A Label should be removed from the back of the instrument (If present) and replaced by a new CE regulatory Class B Label | 2020.12.13 |
| N9040B | Modification Recommended | N9040B-01 | Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors | 2018.04.11 |
| N9040B | Modification Recommended | N9040B-04 | Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) or option 550 (50 GHz) analyzers. | 2021.02.28 |
| N9041B | Modification Recommended | N9041B-01 | Signal amplitude loss can occur above 3.6 GHz tuned frequency. | 2021.02.28 |
| N9042B | Modification Recommended | N9042B-03 | Instruments with Option 544 Need to Have Instrument Software Revision A.33.03 or Newer | 2023.09.24 |
| N9048B | Modification Recommended | N9048B-01 | The existing CE regulatory Class A Label should be removed from the back of the instrument (If present) and replaced by a new CE regulatory Class B Label | 2020.12.13 |
| N9048B | Modification Recommended | N9048B-02 | Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) analyzers. | 2021.02.28 |
| N9048B | Modification Recommended | N9048B-05 | Signal amplitude loss can occur in Band C/D with Accelerated Time Domain Scan (ATDS) ON on N9048B option 503 (3.6GHz) | 2023.09.28 |
| N9100A | Modification Recommended | N9100A-01 | Diagnostics LC outer port manual test fails on specified condition | 2012.07.25 |
| N9100A | Modification Recommended | N9100A-02 | Industrial PC requires SATA power conversion cable to replace | 2014.03.13 |
| N9100A | Modification Recommended | N9100A-03 | Industrial PC requires SATA digital cable and DVI extension cable to replace | 2014.03.13 |
| N9100A | Modification Recommended | N9100A-04 | E4980A cannot power on due to PSU malfunction | 2019.04.02 |
| N9100A2B | Modification Recommended | N9100A2B-01 | E4980A cannot power on due to PSU malfunction | 2019.04.02 |
| N9100AU | Modification Recommended | N9100AU-01 | E4980A cannot power on due to PSU malfunction | 2019.04.02 |
| N9100E | Modification Recommended | N9100E-01 | E4980A cannot power on due to PSU malfunction | 2019.04.02 |
| N9320A | Modification Recommended | N9320A-01 | Possible Internal Screws Loosen | 2008.11.26 |
| N9912A | Modification Available | N9912A-01 | Unit may sometimes revert to a zero serial number on boot up. | 2009.08.19 |
| N9912A | Modification Available | N9912A-02 | Old versions of the System Board (N9912-60004) and the RF assembly (N9912-60002) must both be replaced when either assembly is replaced. | 2009.08.19 |
| N9912A | Modification Recommended | N9912A-03A | Replace or modify the System Board (N9912-60004) to prevent power up problem. | 2012.08.08 |
| N9912A | Modification Recommended | N9912A-04A | Potential frequency accuracy shifted when restarting N9912A from standby mode. | 2010.08.26 |
| N9912A | Modification Recommended | N9912A-05 | FieldFox N9912A firmware versions earlier than A.05.34 may cause the battery to charge incorrectly. | 2011.08.16 |
| N9912A | Modification Recommended | N9912A-09A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9912A | Modification Recommended | N9912A-10 | The Fieldfox unit might not boot up properly after insert battery and connect to AC/DC power adapter. | 2020.09.10 |
| N9913A | Modification Recommended | N9913A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9913A | Modification Recommended | N9913A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9913A | Modification Recommended | N9913A-03 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9913A | Modification Recommended | N9913A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9913A | Modification Recommended | N9913A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9913A | Modification Recommended | N9913A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9913A | Modification Recommended | N9913A-07 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9913B | Modification Recommended | N9913B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9914A | Modification Recommended | N9914A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9914A | Modification Recommended | N9914A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9914A | Modification Recommended | N9914A-03 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9914A | Modification Recommended | N9914A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9914A | Modification Recommended | N9914A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9914A | Modification Recommended | N9914A-07 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9914B | Modification Recommended | N9914B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9915A | Modification Recommended | N9915A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9915A | Modification Recommended | N9915A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9915A | Modification Recommended | N9915A-03 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9915A | Modification Recommended | N9915A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9915A | Modification Recommended | N9915A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9915A | Modification Recommended | N9915A-07 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9915B | Modification Recommended | N9915B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9916A | Modification Recommended | N9916A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9916A | Modification Recommended | N9916A-03A | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2014.05.14 |
| N9916A | Modification Recommended | N9916A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9916A | Modification Recommended | N9916A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9916B | Modification Recommended | N9916B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9917A | Modification Recommended | N9917A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9917A | Modification Recommended | N9917A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9917A | Modification Recommended | N9917A-03A | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2014.05.14 |
| N9917A | Modification Recommended | N9917A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9917A | Modification Recommended | N9917A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9917A | Modification Recommended | N9917A-07 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9917B | Modification Recommended | N9917B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9918A | Modification Recommended | N9918A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9918A | Modification Recommended | N9918A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9918A | Modification Recommended | N9918A-03 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9918A | Modification Recommended | N9918A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9918A | Modification Recommended | N9918A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9918B | Modification Recommended | N9918B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9923A | Modification Recommended | N9923A-01A | A potential reliability problem with the System Board has been identified. After an indefinite time of use, the instrument may exhibit an ADC Overload Error. | 2012.11.19 |
| N9923A | Modification Recommended | N9923A-02 | FieldFox N9923A firmware versions earlier than A.05.34 may cause the battery to charge incorrectly. | 2011.08.16 |
| N9923A | Modification Recommended | N9923A-05A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9923A | Modification Recommended | N9923A-06 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9923A | Modification Recommended | N9923A-07 | The Fieldfox unit might not boot up properly after insert battery and connect to AC/DC power adapter. | 2020.09.10 |
| N9925A | Modification Recommended | N9925A-03A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9925A | Modification Recommended | N9925A-03B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9926A | Modification Recommended | N9926A-03A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9926A | Modification Recommended | N9926A-03B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9927A | Modification Recommended | N9927A-03A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9928A | Modification Recommended | N9928A-03A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9928A | Modification Recommended | N9928A-03B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9933B | Modification Recommended | N9933B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9934B | Modification Recommended | N9934B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9935A | Modification Recommended | N9935A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9935A | Modification Recommended | N9935A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9935A | Modification Recommended | N9935A-03 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9935A | Modification Recommended | N9935A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9935A | Modification Recommended | N9935A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9935B | Modification Recommended | N9935B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9936A | Modification Recommended | N9936A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9936A | Modification Recommended | N9936A-02 | FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. | 2013.04.11 |
| N9936A | Modification Recommended | N9936A-03A | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2014.05.14 |
| N9936A | Modification Recommended | N9936A-06A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9936A | Modification Recommended | N9936A-06B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9936A | Modification Recommended | N9936A-07 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9936B | Modification Recommended | N9936B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9937A | Modification Recommended | N9937A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9937A | Modification Recommended | N9937A-02 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9937A | Modification Recommended | N9937A-05A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9937A | Modification Recommended | N9937A-05B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9937B | Modification Recommended | N9937B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9938A | Modification Recommended | N9938A-01 | FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. | 2013.03.20 |
| N9938A | Modification Recommended | N9938A-02 | FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. | 2013.08.01 |
| N9938A | Modification Recommended | N9938A-05A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9938A | Modification Recommended | N9938A-05B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2023.06.29 |
| N9938B | Modification Recommended | N9938B-01 | The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. | 2020.06.23 |
| N9950A | Modification Recommended | N9950A-01A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9951A | Modification Recommended | N9951A-01A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9952A | Modification Recommended | N9952A-01B | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.15 |
| N9960A | Modification Recommended | N9960A-01A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9961A | Modification Recommended | N9961A-01A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N9962A | Modification Recommended | N9962A-01A | The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. | 2020.07.13 |
| N69172A | Modification Recommended | N69172A-01 | Incorrect label of “Float Voltage Rating”. | 2023.07.16 |
| NCM346A | Modification Recommended | NCM346A-01A-RECALL | NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. | 2010.12.20 |
| NCM346B | Modification Recommended | NCM346B-01A-RECALL | NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. | 2010.12.20 |
| NCMC346A | Modification Recommended | NCMC346A-01A-RECALL | NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. | 2010.12.20 |
| NCMC346B | Modification Recommended | NCMC346B-01A-RECALL | NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. | 2010.12.20 |
| NCMC346D | Modification Recommended | NCMC346D-01A-RECALL | NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. | 2010.12.20 |
| P5000A | Information Only | P5000A-04 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5000A | Modification Recommended | P5000A-05 | Potential lifted front panel overlay | 2023.08.14 |
| P5000B | Modification Recommended | P5000B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P5001A | Information Only | P5001A-04 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5001A | Modification Recommended | P5001A-05 | Potential lifted front panel overlay | 2023.08.14 |
| P5001B | Modification Recommended | P5001B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P5002A | Information Only | P5002A-04 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5002A | Modification Recommended | P5002A-05 | Potential lifted front panel overlay | 2023.08.14 |
| P5002B | Modification Recommended | P5002B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P5003A | Information Only | P5003A-04 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5003A | Modification Recommended | P5003A-05 | Potential lifted front panel overlay | 2023.08.14 |
| P5003B | Modification Recommended | P5003B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P5004A | Information Only | P5004A-04 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5004A | Modification Recommended | P5004A-05 | Potential lifted front panel overlay | 2023.08.14 |
| P5004B | Modification Recommended | P5004B-01 | Potential lifted front panel overlay | 2023.08.14 |
| P5005A | Information Only | P5005A-03 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5005A | Modification Recommended | P5005A-04 | Potential lifted front panel overlay | 2023.08.14 |
| P5005B | Modification Recommended | P5005B-03 | Potential lifted front panel overlay | 2023.08.14 |
| P5006A | Information Only | P5006A-03 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5006A | Modification Recommended | P5006A-04 | Potential lifted front panel overlay | 2023.08.14 |
| P5006B | Modification Recommended | P5006B-03 | Potential lifted front panel overlay | 2023.08.14 |
| P5007A | Information Only | P5007A-03 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5007A | Modification Recommended | P5007A-04 | Potential lifted front panel overlay | 2023.08.14 |
| P5007B | Modification Recommended | P5007B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P5008A | Information Only | P5008A-03 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5008A | Modification Recommended | P5008A-04 | Potential lifted front panel overlay | 2023.08.14 |
| P5008B | Modification Recommended | P5008B-01 | Potential lifted front panel overlay | 2023.08.14 |
| P5020A | Safety | P5020A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5020A | Information Only | P5020A-05 | Firmware update requirement to A.15.60.08 or newer for P5020A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5020A | Information Only | P5020A-05A | Firmware update requirement to A.15.60.08 or newer for P5020A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5020A | Information Only | P5020A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5021A | Safety | P5021A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5021A | Information Only | P5021A-05 | Firmware update requirement to A.15.60.08 or newer for P5021A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5021A | Information Only | P5021A-05A | Firmware update requirement to A.15.60.08 or newer for P5021A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5021A | Information Only | P5021A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5022A | Safety | P5022A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5022A | Information Only | P5022A-05 | Firmware update requirement to A.15.60.08 or newer for P5022A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5022A | Information Only | P5022A-05A | Firmware update requirement to A.15.60.08 or newer for P5022A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5022A | Information Only | P5022A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5023A | Safety | P5023A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5023A | Information Only | P5023A-05 | Firmware update requirement to A.15.60.08 or newer for P5023A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5023A | Information Only | P5023A-05A | Firmware update requirement to A.15.60.08 or newer for P5023A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5023A | Information Only | P5023A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5024A | Safety | P5024A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5024A | Information Only | P5024A-05 | Firmware update requirement to A.15.60.08 or newer for P5024A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5024A | Information Only | P5024A-05A | Firmware update requirement to A.15.60.08 or newer for P5024A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5024A | Information Only | P5024A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5025A | Safety | P5025A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5025A | Information Only | P5025A-05 | Firmware update requirement to A.15.60.08 or newer for P5025A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5025A | Information Only | P5025A-05A | Firmware update requirement to A.15.60.08 or newer for P5025A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5025A | Information Only | P5025A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5026A | Safety | P5026A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5026A | Information Only | P5026A-05 | Firmware update requirement to A.15.60.08 or newer for P5026A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5026A | Information Only | P5026A-05A | Firmware update requirement to A.15.60.08 or newer for P5026A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5026A | Information Only | P5026A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5027A | Safety | P5027A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5027A | Information Only | P5027A-05 | Firmware update requirement to A.15.60.08 or newer for P5027A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5027A | Information Only | P5027A-05A | Firmware update requirement to A.15.60.08 or newer for P5027A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5027A | Information Only | P5027A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P5028A | Safety | P5028A-03B-S | Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. | 2022.05.27 |
| P5028A | Information Only | P5028A-05 | Firmware update requirement to A.15.60.08 or newer for P5028A with MY582, SG582 serial prefix. | 2022.04.04 |
| P5028A | Information Only | P5028A-05A | Firmware update requirement to A.15.60.08 or newer for P5028A with MY582, SG582 serial prefix. | 2022.12.01 |
| P5028A | Information Only | P5028A-06 | How to handle optional licenses which customers purchased in return to factory (RTF) process. | 2023.03.30 |
| P9001A | Modification Recommended | P9001A-01 | Industrial PC requires SATA power conversion cable to replace | 2014.03.14 |
| P9001A | Modification Recommended | P9001A-02 | Industrial PC requires SATA digital cable and DVI extension cable to replace | 2014.03.14 |
| P9001A | Modification Recommended | P9001A-03 | E4980A cannot power on due to PSU malfunction | 2019.04.03 |
| P9370A | Information Only | P9370A-03 | Firmware update requirement to A.15.75.22 or newer for P9370A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9370B | Modification Recommended | P9370B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P9371A | Information Only | P9371A-03 | Firmware update requirement to A.15.75.22 or newer for P9371A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9371B | Modification Recommended | P9371B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P9372A | Information Only | P9372A-03 | Firmware update requirement to A.15.75.22 or newer for P9372A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9372B | Modification Recommended | P9372B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P9373A | Information Only | P9373A-03 | Firmware update requirement to A.15.75.22 or newer for P9373A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9373B | Modification Recommended | P9373B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P9374A | Information Only | P9374A-03 | Firmware update requirement to A.15.75.22 or newer for P9374A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9374B | Modification Recommended | P9374B-01 | Potential lifted front panel overlay | 2023.08.14 |
| P9375A | Information Only | P9375A-02 | Firmware update requirement to A.15.75.22 or newer for P9375A with MY573, SG573 serial prefix. | 2022.09.12 |
| P9375B | Modification Recommended | P9375B-02 | Potential lifted front panel overlay | 2023.08.14 |
| P9377B | Modification Recommended | P9377B-02 | Potential lifted front panel overlay | 2023.08.14 |
| Q347B | Modification Recommended | Q347B-02A | Repair strategy change for R347B Noise source | 2019.03.10 |
| Q3000A | Information Only | Q3000A-01 | Keysight CCL License patch update version 5.5.1 release | 2023.05.10 |
| R347B | Modification Recommended | R347B-02A | Repair strategy change for R347B Noise source | 2019.04.10 |
| RP7972A | Modification Recommended | RP7972A-01 | Incorrect label of “Float Voltage Rating”. | 2023.07.16 |
| RP7982A | Modification Recommended | RP7982A-01 | Incorrect label of “Float Voltage Rating”. | 2023.07.16 |
| S9130A | Modification Recommended | S9130A-01 | Some S9130A need to be returned to Keysight for modification and recalibration to enhance performance and improve reliability. | 2021.03.16 |
| SL1047A | Modification Recommended | SL1047A-01 | Sealing of coolant circuit in cooling module (SL1048A-CU1) is not confirmed to be resistant to cooling liquid. | 2022.03.17 |
| SL1047A | Safety | SL1047A-02-S | Inserting a separately sold Plug-in Adapter CEE-Inlet, PN: A06-100015954 (Option Number: SL1040A-107 or SL1049A-107) will potentially expose the user to live parts in the system. | 2022.08.03 |
| SR101EDUA | Information Only | SR101EDUA-01 | SR101EDUA Digital Learning Suite application is unable to start after re-booting its pre-configured virtual machine. | 2023.12.03 |
| T1250A | Modification Recommended | T1250A-01 | T1250A amplifier issue, firmware fix | 2013.10.28 |
| T1250A | Modification Recommended | T1250A-02 | Low frequency spurious generated by Power Supply Unit; removed with proper filtering and grounding of power lines. | 2016.03.14 |
| T1250A | Modification Recommended | T1250A-03 | A radiofrequency performance issue was found. The T4010S test system (this is the RF switch for T4010S) RF paths compensation routines directly tied to the YIG filter performance (CAL001 for RFSC YIG filter, CAL002 for RFSD YIG filter) showed unexpected RF losses. Typically, the mentioned RF path compensation scripts fail due to excessive RF losses. | 2016.04.18 |
| T1250A | Modification Recommended | T1250A-04 | Power on issues (unit unable to power on, or many attempts to power on needed to switch on the unit) and sudden switch off issues were found on this model. Internal control cables, and DC power cables, supplier changed, due to this quality issue. | 2016.04.18 |
| T1255A | Modification Recommended | T1255A-01 | Internal RF switch (model: N1810TL) unable to switch. User calibration fails. | 2017.09.20 |
| T2010A | Modification Recommended | T2010A-01 | The embedded PC was modified to improve boot up reliability. | 2016.01.28 |
| U1180A | Modification Recommended | U1180A-01 | U1180A thermocouple adapter and lead set could have a faulty temperature probe adapter. | 2020.06.28 |
| U1181A | Modification Recommended | U1181A-01 | U1181A immersion temperature probe could have a faulty temperature probe adapter. | 2020.06.28 |
| U1182A | Modification Recommended | U1182A-01 | U1182A industrial surface temperature probe could have a faulty temperature probe adapter. | 2020.06.28 |
| U1183A | Modification Recommended | U1183A-01 | U1183A air temperature probe could have a faulty temperature probe adapter. | 2020.06.28 |
| U1184A | Modification Recommended | U1184A-01 | Faulty temperature probe adapter will cause meter to show “OL” when plugged into the input jacks of a handheld meter. | 2020.07.01 |
| U1185A | Modification Recommended | U1185A-01 | U1185A J-type thermocouple and temperature probe adapter set could have a faulty temperature probe adapter. | 2020.06.28 |
| U1186A | Modification Recommended | U1186A-01 | U1186A K-type thermocouple and temperature probe adapter set could have a faulty temperature probe adapter. | 2020.06.28 |
| U1211A | Modification Recommended | U1211A-01 | U1211A unit missing calibration traceability | 2013.11.05 |
| U1212A | Modification Recommended | U1212A-01 | U1212A unit missing calibration traceability | 2013.11.05 |
| U1213A | Modification Recommended | U1213A-01 | U1213A unit missing calibration traceability | 2013.11.05 |
| U1231A | Modification Recommended | U1231A-01 | U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) | 2013.09.02 |
| U1232A | Modification Recommended | U1232A-01 | U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) | 2013.09.02 |
| U1233A | Modification Recommended | U1233A-01 | U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) | 2013.09.02 |
| U1241A | Modification Recommended | U1241A-05 | U1241A unit missing calibration traceability | 2013.11.05 |
| U1241B | Information Only | U1241B-02 | Changes on display backlight color | 2022.06.29 |
| U1242B | Information Only | U1242B-02 | Changes on display backlight color | 2022.06.29 |
| U1251A | Modification Recommended | U1251A-05 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1251B | Modification Recommended | U1251B-04 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1251B | Modification Recommended | U1251B-05 | Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source | 2013.12.02 |
| U1251B | Modification Recommended | U1251B-06 | Capacitance measurement may be out of specification at 100nF range and below | 2016.04.24 |
| U1251B | Information Only | U1251B-08 | Changes on display backlight color | 2022.06.29 |
| U1252A | Modification Recommended | U1252A-06 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1252A | Modification Recommended | U1252A-07 | Capacitance measurement may be out of specification at 100nF range and below | 2016.04.24 |
| U1252B | Modification Recommended | U1252B-04 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1252B | Modification Recommended | U1252B-05 | Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source | 2013.12.02 |
| U1252B | Modification Recommended | U1252B-06 | apacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1252B | Modification Recommended | U1252B-08A | Incorrect readings or error code displayed during Radiated Immunity test | 2017.02.12 |
| U1252B | Modification Recommended | U1252B-09A | Incorrect current offset reading (~0.35mA) when knob is set to mA/A current range. | 2019.09.23 |
| U1252B | Information Only | U1252B-10 | Changes on display backlight color | 2022.06.29 |
| U1253A | Modification Recommended | U1253A-07 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1253B | Modification Available | U1253B-05 | Battery life after first full charge | 2012.10.24 |
| U1253B | Modification Recommended | U1253B-06 | A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. | 2013.11.05 |
| U1253B | Modification Recommended | U1253B-07 | Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source | 2013.12.02 |
| U1253B | Modification Recommended | U1253B-08 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1253B | Information Only | U1253B-11 | Changes on display backlight color | 2022.06.29 |
| U1271A | Safety | U1271A-02F-S | Incorrect reading displayed after rapid turning of the rotary switch | 2013.11.19 |
| U1271A | Safety | U1271A-03-S | Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source | 2013.11.05 |
| U1271A | Modification Recommended | U1271A-04 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1271A | Safety | U1271A-05-S | Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. | 2016.04.26 |
| U1271A | Modification Recommended | U1271A-07A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1271A | Modification Recommended | U1271A-08 | Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). | 2020.06.29 |
| U1272A | Safety | U1272A-02F-S | Incorrect reading displayed after rapid turning of the rotary switch | 2013.11.19 |
| U1272A | Safety | U1272A-03-S | Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source | 2013.11.05 |
| U1272A | Modification Recommended | U1272A-04 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1272A | Safety | U1272A-05-S | Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. | 2016.04.26 |
| U1272A | Modification Recommended | U1272A-07A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1272A | Modification Recommended | U1272A-08 | Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). | 2020.06.29 |
| U1273A | Safety | U1273A-01-S | Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source | 2013.11.05 |
| U1273A | Modification Recommended | U1273A-02 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1273A | Safety | U1273A-03-S | Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. | 2016.04.26 |
| U1273A | Modification Recommended | U1273A-05A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1273A | Modification Recommended | U1273A-07 | Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). | 2020.06.29 |
| U1273A | Modification Available | U1273A-08 | MY60360009 | 2021.03.14 |
| U1273AX | Safety | U1273AX-01-S | Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source | 2013.11.05 |
| U1273AX | Modification Recommended | U1273AX-02 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1273AX | Safety | U1273AX-03-S | Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. | 2016.04.26 |
| U1273AX | Modification Recommended | U1273AX-05A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1273AX | Modification Recommended | U1273AX-07 | Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). | 2020.06.29 |
| U1273AX | Modification Available | U1273AX-08 | Digital multimeter with firmware version 3.01 or 4.0 will show incorrect DCI measurement value when using the average measurement mode. | 2021.03.14 |
| U1281A | Modification Recommended | U1281A-01 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1281A | Modification Recommended | U1281A-02A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1282A | Modification Recommended | U1282A-01 | Capacitance measurement may be out of specification at 100nF range and below. | 2016.04.24 |
| U1282A | Modification Recommended | U1282A-02A | Interference observed in the DC current measurement below 80MHz environment | 2017.02.12 |
| U1401B | Modification Recommended | U1401B-02A | Constant current output may be out of specification | 2015.03.15 |
| U1461A | Modification Recommended | U1461A-01 | Handheld insulation meter with specific serial numbers could have a faulty temperature probe adapter (U1184A). | 2020.06.29 |
| U1602A | Modification Available | U1602A-01C | Firmware Upgrade (Version 2.5.9): Performance Enhancement | 2007.11.26 |
| U1602A | Modification Recommended | U1602A-03 | BNC cable cannot secure oscilloscope input channel | 2010.09.26 |
| U1602B | Modification Recommended | U1602B-01 | BNC cable cannot secure oscilloscope input channel | 2010.09.26 |
| U1602B | Modification Available | U1602B-03 | Firmware upgrade to resolve wrong vertical scale displays after autoscaling | 2012.10.24 |
| U1604A | Modification Available | U1604A-01C | Firmware Upgrade (Version 2.5.7): Enchancements and Fixes | 2007.08.06 |
| U1604A | Modification Recommended | U1604A-03 | BNC cable cannot secure oscilloscope input channel | 2010.09.26 |
| U1604B | Modification Recommended | U1604B-01 | BNC cable cannot secure oscilloscope input channel | 2010.09.26 |
| U1604B | Modification Available | U1604B-03 | Firmware upgrade to resolve wrong vertical scale displays after autoscaling | 2012.10.24 |
| U1731C | Modification Recommended | U1731C-01 | Units may show out-of-specification issues in specific measurements and parameters. | 2023.09.13 |
| U1732C | Modification Recommended | U1732C-01 | Units may show out-of-specification issues in specific measurements and parameters. | 2023.09.13 |
| U1733C | Modification Available | U1733C-01 | LCR meter with firmware rev 3.06 shows incorrect resistance value when measuring below 7Megohm on 20Megohm range. | 2020.06.28 |
| U1733C | Modification Recommended | U1733C-02 | Units may show out-of-specification issues in specific measurements and parameters. | 2023.09.13 |
| U2000A | Modification Available | U2000A-02A | USB Sensor Range | 2011.06.01 |
| U2000A | Modification Recommended | U2000A-03 | Difficulty to attach USB power sensor cable to power sensor unit. | 2008.03.20 |
| U2000B | Modification Recommended | U2000B-01 | USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. | 2010.10.04 |
| U2000H | Modification Recommended | U2000H-01 | USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. | 2010.10.04 |
| U2001A | Modification Available | U2001A-02A | USB Sensor Range | 2011.06.01 |
| U2001A | Modification Recommended | U2001A-03 | Difficulty to attach USB power sensor cable to power sensor unit. | 2008.03.20 |
| U2001B | Modification Recommended | U2001B-01 | USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. | 2010.10.04 |
| U2001H | Modification Recommended | U2001H-01 | USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. | 2010.10.04 |
| U2002A | Modification Available | U2002A-02A | USB Sensor Range | 2011.06.01 |
| U2002A | Modification Recommended | U2002A-03 | Difficulty to attach USB power sensor cable to power sensor unit. | 2008.03.20 |
| U2002H | Modification Recommended | U2002H-01 | USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. | 2010.10.04 |
| U2004A | Modification Available | U2004A-02A | USB Sensor Range | 2011.06.01 |
| U2004A | Modification Recommended | U2004A-03 | Difficulty to attach USB power sensor cable to power sensor unit. | 2008.03.20 |
| U3401A | Modification Recommended | U3401A-01 | Resistance measurement out-of-specification at 500 Ohm range | 2012.12.06 |
| U3402A | Safety | U3402A-01-S | U3402A displaying intermittent reading when is subjected with over range voltage. | 2012.04.09 |
| U3606A | Modification Recommended | U3606A-02 | U3606A unit missing calibration traceability | 2013.11.05 |
| U3606B | Modification Recommended | U3606B-01 | U3606B unit missing calibration traceability | 2013.11.05 |
| U3800A | Modification Recommended | U3800A-02 | USB connector may lift off with cable insertion/removal | 2019.08.28 |
| U7179 | Modification Recommended | U7179-81000-01 | Wrong hardware ID detection on U7179A load card by System Configuration Editor (SCE) software when there are 10 or more cards in the E6198B SLU and it happens only on the left most slot of U7179A card | 2023.09.07 |
| U7179 | Modification Recommended | U7179-81000-01A | Wrong hardware ID detection on U7179A load card by System Configuration Editor (SCE) software when there are 10 or more cards in the E6198B SLU and it happens only on the left most slot of U7179A card. | 2024.01.30 |
| U8032A | Modification Recommended | U8032A-01 | U8032A’s Voltage Programming Speed drifts out of warranted specification within the product’s calibration period | 2012.06.27 |
| U8481A | Modification Recommended | U8481A-01 | 0.6dB offset on power measurement | 2019.12.05 |
| U8485A | Modification Recommended | U8485A-01 | 0.6dB offset on power measurement | 2019.12.05 |
| U8487A | Modification Recommended | U8487A-01 | 6dB offset on power measurement | 2019.12.05 |
| U8488A | Modification Recommended | U8488A-01 | 0.6dB offset on power measurement | 2019.12.05 |
| U8489A | Modification Recommended | U8489A-01A | U8489A Power Sensor was incorrectly calibrated | 2018.07.18 |
| U8903A | Modification Available | U8903A-01 | EMI shield soldering improvement | 2011.03.28 |
| U8903A | Modification Available | U8903A-04 | Improve the BNC Connector’s tightness at U8903A front panel | 2011.10.23 |
| U8903A | Modification Available | U8903A-10 | Resolving unit hang during boot/start-up sequence | 2013.09.30 |
| U8903B | Modification Recommended | U8903B-01 | Analog Analyzer not able to perform measurement or providing incorrect measurement | 2017.07.05 |
| U9401B | Modification Recommended | U9401B-01 | Current Digital card firmware version 06 does not support i2C/SPI “Read to File” function. | 2014.03.03 |
| U9403A | Information Only | U9403A-01 | The controller’s serial ports are not supported in Mini ICT system (U9403A) | 2022.06.30 |
| U9405A | Modification Recommended | U9405A-01 | Change in Fixture position sensor and brackets to prevent cable damages. | 2014.02.20 |
| U9405A | Modification Recommended | U9405A-02 | Current Digital card firmware version 06 does not support i2C/SPI “Read to File” function. | 2014.03.03 |
| U9405A | Modification Recommended | U9405A-05 | i1000 software cannot detect Fixture Control Board sensors states | 2021.08.12 |
| U9405B | Modification Recommended | U9405B-02 | Handler Control Panel cannot detect Fixture Control Board sensors states | 2021.08.12 |
| UXR0104B | Modification Recommended | UXR0104B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0134A | Modification Recommended | UXR0134A-02 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.08.05 |
| UXR0134A | Modification Recommended | UXR0134A-03 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.29 |
| UXR0164A | Modification Recommended | UXR0164A-02 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.08.05 |
| UXR0164B | Modification Recommended | UXR0164B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0204A | Modification Recommended | UXR0204A-02 | acquisition board has cracks with the P2000 connector that mates to the channel module | 2019.08.05 |
| UXR0204A | Modification Recommended | UXR0204A-03 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration | 2019.07.30 |
| UXR0204B | Modification Recommended | UXR0204B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0254A | Modification Recommended | UXR0254A-02 | acquisition board has cracks with the P2000 connector that mates to the channel module | 2019.08.05 |
| UXR0254B | Modification Recommended | UXR0254B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0334A | Modification Recommended | UXR0334A-02 | acquisition board has cracks with the P2000 connector that mates to the channel module | 2019.08.05 |
| UXR0334A | Modification Recommended | UXR0334A-03 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.30 |
| UXR0334B | Modification Recommended | UXR0334B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0402A | Modification Recommended | UXR0402A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.07.29 |
| UXR0402A | Modification Recommended | UXR0402A-02 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.29 |
| UXR0404B | Modification Recommended | UXR0404B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0504B | Modification Recommended | UXR0504B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0594AP | Modification Recommended | UXR0594AP-01 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.29 |
| UXR0594B | Modification Recommended | UXR0594B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0594BP | Modification Recommended | UXR0594BP-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0702B | Modification Recommended | UXR0702B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0704B | Modification Recommended | UXR0704B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0802A | Modification Recommended | UXR0802A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.07.29 |
| UXR0802B | Modification Recommended | UXR0802B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| UXR0804A | Modification Recommended | UXR0804A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.08.05 |
| UXR1002A | Modification Recommended | UXR1002A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.07.29 |
| UXR1004A | Modification Recommended | UXR1004A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module. | 2019.08.05 |
| UXR1102A | Modification Recommended | UXR1102A-01 | acquisition board has cracks with the P2000 connector that mates to the channel module | 2019.07.29 |
| UXR1102A | Modification Recommended | UXR1102A-02 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.29 |
| UXR1104A | Modification Recommended | UXR1104A-01 | some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. | 2019.07.29 |
| UXR1104B | Modification Recommended | UXR1104B-01 | The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. | 2023.08.22 |
| X8721A | Modification Recommended | X8721A-02 | To check on customer’s X8721A firmware and upgrade to version 0.1.0.111.3 and above before performing calibration test procedure | 2022.06.07 |
| XA8723A | Modification Recommended | XA8723A-01 | Inconclusive Pass measurement results obtained when configuring a test plan combining Active Scan and Connect Request. | 2022.02.16 |
| XA8723A | Modification Recommended | XA8723A-02 | Current verdict priority set in the XA8723A causing NaN (not a number) measurement results to be flagged as ‘Not Set’ instead of ‘Inconclusive’. | 2022.02.16 |
| Y1132A | Information Only | Y1132A-01 | New Orbital Sanded Covers for 34980A modules | 2022.06.27 |
| Y1155A | Modification Recommended | Y1155A-01 | Solder shorts between terminals on PCA | 2019.05.21 |
| Z2049A | Safety | Z2049A-01-S | When the door of the fixture closes, the user may be exposed to potential mechanical pinch hazard and could suffer from injuries due to impact from door closing force | 2008.10.07 |
| Z4215B | Modification Recommended | Z4215B-01 | Recommend replacement of cables due to improper grounding | 2003.04.14 |
| Z5623A | Safety | Z5623A-K66-01A-S | The units with the above serial numbers may have been shipped with an incorrect line module. These units should be checked and the line module replaced, if necessary. | 2006.10.20 |
