88 34980A Service Guide
4 Troubleshooting and Diagnostics
Calibration Errors
The following errors indicate failures that may occur during a calibration. Often,
performing the calibration again will clear these errors.
Error
Description
701 "Cal security disabled by jumper"
702 "Cal: secured"
703 "Cal: invalid secure code"
704 "Cal: secure code too long"
705 "Cal: aborted"
706 "Cal: value out of range"
707 "Cal: signal measurement out of range"
708 "Cal: signal frequency out of range"
709 "Cal: no cal for this function or range"
710 "Cal: full scale correction out of range"
711 "Cal: cal string too long"
720 "Cal: DCV offset out of range"
721 "Cal: DCI offset out of range"
722 "Cal: RES offset out of range"
723
724
725
"Cal: FRES offset out of range"
"Cal: extended resistance self cal failed"
"Cal: 300V DC correction out of range"
730 "Cal: precharge DAC convergence failed"
731 "Cal: A/D turnover correction out of range"
732 "Cal: AC flatness DAC convergence failed"
733 "Cal: AC low frequency convergence failed"
734 "Cal: AC low frequency correction out of range"
735 "Cal: AC rms converter noise correction out of range"
736 "Cal: AC rms 100th scale correction out of range"
740 "Cal data lost: secure state"
741 "Cal data lost: string data"
742 "Cal data lost: DCV corrections"
743 "Cal data lost: DCI corrections"
744 "Cal data lost: RES corrections"
745 "Cal data lost: FRES corrections"
746 "Cal data lost: AC corrections"
747 "Calibration failed"
747 "Cal checksum failed, GPIB address"
748 "Cal checksum failed, internal data"
748 "Cal: mainframe cal memory write failure"
748 "Cal: invalid while cal in progress"
748 "Firmware and FPGA revision mismatch"
748 "Cal: no cal in progress"
749 "DMM relay count data lost"
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