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What can cause an CrF1 precharge fault on the ATV61 and ATV71 drives?

Issue:
What can cause an CrF1 precharge fault on the ATV61 and ATV71 drives?

Product Line:
Altivar ATV61 and ATV71

Environment:
All

Cause:
Drive is tripping on an CrF1 fault.

Resolution:
CrF1 is a precharge fault
Possible cause: Load relay control fault or charging resistor is damaged.
Remedy: Try power cycling the drive, Check the internal connections.  If needed this drive will nee to be repaired.

 
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