What can cause a CrF1 precharge fault on the ATV61 and ATV71 drives?
Issue:
CrF1 precharge fault on the ATV61/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.
If issue persists, there is likely an internal problem.
This may require VFD replacement or repair.
CrF1 precharge fault on the ATV61/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.
If issue persists, there is likely an internal problem.
This may require VFD replacement or repair.
Released for: Schneider Electric Canada
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