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What can cause an CRF fault on the ATV31 and ATV312 drives?

Published date: 11 January 2019

Issue:
CRF fault on the ATV31 and ATV312 drives?

Product Line:
Altivar ATV31 and ATV312

Environment:
All

Cause:
Powered down the drive and when they powered it back up it tripped on CRF and will no clear.

Resolution:
CRF is an internal precharge fault.  Power cycle if the fault does not clear you will need to replace the drive.

 

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