Error Error Message
605
606
701
702
703
704
705
706
707
708
709
720
721
722 [1]
723 [1]
725 [2]
730
731
732
733
734
735
736 [2]
740 [3]
741 [3]
742 [3]
743 [3]
744 [3]
745 [3]
746 [3]
747 [3]
748 [3]
Cannot calibrate rundown gain
Rundown gain out of range
Cal security disabled by jumper
Cal secured
Invalid secure code
Secure code too long
Cal aborted
Cal value out of range
Cal signal measurement out of range
Cal signal frequency out of range
No cal for this function or range
Cal DCV offset out of range
Cal DCI offset out of range
Cal RES offset out of range
Cal FRES offset out of range
500V DC correction out of range
Precharge DAC convergence failed
A/D turnover correction out of range
AC flatness DAC convergence failed
AC low frequency convergence failed
AC low frequency correction out of range
AC rms converter noise correction out of range
AC rms 100th scale linearity correction out of range
Cal checksum failed, secure state
Cal checksum failed, string data
Cal checksum failed, DCV corrections
Cal checksum failed, DCI corrections
Cal checksum failed, RES corrections
Cal checksum failed, FRES corrections
Cal checksum failed, AC corrections
Cal checksum failed, GPIB address
Cal checksum failed, internal data
Calibration Error Messages
[1] RES is the 2-wire ohms function. FRES is the 4-wire ohms function.
[2] Available starting with firmware Revision 2 (REV 02-01-01).
[3] This error may be generated if you turn off the power during a calibration.
Recalibration is required to clear the error. If the error persists
,
a hardware failure of U505 may have occurred.
Chapter 4 Calibration Procedures
Error Messages
90
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