Keysight Technologies 34980A Service Manual page 77

Error Description
722 "Cal: RES offset out of range"
723 "Cal: FRES offset out of range"
724 "Cal: extended resistance self cal failed"
725 "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"
Keysight 34980A Service Guide
Troubleshooting and Diagnostics 4
77