Keysight 3458A - Self-Test Error Messages and Probable Causes

4 Assembly Level Troubleshooting
126 Keysight 3458A Assembly-Level Repair Manual
Table 4-2 Self-test error messages and probable causes
Error
number
Error message Probable cause
Ref
desig.
Assembly part
number
200 Isolator (Recovered)
A/D Converter and Inguard
Logic
A3 03458-66503
Outguard Controller A5 03458-66505
A5 03458-66515
200 Isolator Does Not Respond
A/D Converter and Inguard
Logic
A3 03458-66503
Outguard Logic A5 03458-66505
A5 03458-66515
200
Unexpected Slave Processor
Reset
A/D Converter and Inguard
Logic
A3 03458-66503
201 Nonvolatile RAM DTACK Outguard Controller A5 03458-66505
A5 03458-66515
201 HPIB DTACK Outguard Controller A5 03458-66505
A5 03458-66515
201 Timer DTACK Outguard Controller A5 03458-66505
A5 03458-66515
201 Isolator DTACK Outguard Controller A5 03458-66505
A5 03458-66515
202 Slave Self Test
A/D Converter and Inguard
Logic
A3 03458-66503
202 Salve Test: Isolator Date
A/D Converter and Inguard
Logic
A3 03458-66503
202 Slave Test: Intr Data AC Converter A2 03458-66502
202 Slave Test: DC Board DC Circuitry A1 03458-66501
202 Slave Test: AC Board AC Converter A2 03458-66502
202 Slave Test: Overload DC Circuitry A1 03458-66501