Calibration Errors - HP 34401A User Manual

Chapter 5 Error Messages

Calibration Errors

616 DC current sense failed
617 Ohms 100 uA source failed
DC high voltage attenuator failed
618
Ohms 1 mA source failed
619
620 AC rms zero failed
621 AC rms full scale failed
622 Frequency counter failed
623 Cannot calibrate precharge
Unable to sense line frequency
624
625 I/O processor does not respond
626 I/O processor failed self-test
Calibration Errors
The following errors indicate failures that may occur during a
calibration. Refer to the Service Guide for more information.
701 Cal security disabled by jumper
The calibration security feature has been disabled with a jumper inside
the multimeter. When applicable, this error will occur at power-on to
warn you that the multimeter is unsecured.
702 Cal secured
The multimeter is secured against calibration.
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