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

Published date: 15 May 2020

CRF fault on the ATV31/ATV312 drives.

Product Line:
Altivar ATV31 and ATV312


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

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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