M4000 Insulation Analyzer User Guide
72A-1230 Rev. F 4-19
July 22, 2005
53 One or Both Low
Voltage Leads
Disconnected
1. If this error is displayed during
Calibration Verification, rerun the test at
a temperature above freezing.
2. Clean all cable terminations.
3. If the problem persists, replace the
Guard Front Panel Board (see
”Replacing the Guard Front Panel
Board” on page 4-61).
54 Overcurrent
Occurred
Input current is excessive.
1. Try a 240 V AC power source instead of
a 120 V source.
2. Check the HV Pothead guide for
internal separation or tracking.
56 Input Current Peak
Maximum
Exceeded
Input current is excessive.
1. Try a 240 V AC power source instead of
a 120 V source.
2. Check the HV Pothead guide for
internal separation or tracking.
57 Transformer
Overtemperature
Occurred
Wait several minutes and repeat the test,
leaving the test set on until the fan turns on
to cool it. If the fan does not eventually turn
on, see ”Fan Operation” on page 4-50.
63 Voltage Input
Saturated
Replace the Guard Board (see ”Replacing
the Guard Board” on page 4-76).
64 Requested
Maximum Voltage
Exceeded
Replace the Guard Board (see ”Replacing
the Guard Board” on page 4-76).
Table 4.5 Error Messages (Continued)
# Error Message Suggested Action
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