Technical data

Troubleshooting and Diagnostics 4
34980A Service Guide 85
Self-Test Errors
These errors can indicate a hardware failure. The first two errors, 601 and
602, can indicate a failure of the communications board. The remaining
errors are typically caused by a failure on the internal DMM.

Error
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Description
601 "Self-test: front panel not responding"
602 "Self-test: RAM read/write"
603 "Self-test: A/D sync stuck"
604 "Self-test: A/D slope convergence"
605 "Self-test/Cal: not able to calibrate rundown gain"
606 "Self-test/Cal: rundown gain out of range"
607 "Self-test: rundown too noisy"
608 "Serial configuration readback failed"
609 "DC gain x1 failed"
610 "DC gain x10 failed"
611 "DC gain x100 failed"
612 "Ohms 500 nA source failed"
613 "Ohms 5 uA source failed"
614 "DC 1000V zero failed"
615 "Ohms 10 uA source failed"
616 "DC current sense failed"
617 "Ohms 100 uA source failed"
618 "DC high voltage attenuator failed"
619 "Ohms 1 mA source failed"
620 "AC rms zero failed"
621 "AC rms full scale failed"
622 "Frequency counter failed"
623 "Cannot calibrate precharge"
624 "Unable to sense line frequency"
625 "I/O processor does not respond"
626 "I/O processor failed self-test"