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What is a CrF1 fault on the ATV320 drive?

Published date: 28 February 2019

 Issue:
What is a CrF1 fault on the ATV320 drive?

Product Line:
 ATV320 drives

Environment:
 CrF1 faults

Cause:
 Charging relay control detected fault or charging resistor damaged.

Resolution:
Turn the drive off and then back on again.
Check all the internal connections.
Perform static checks on the inputs.
Measure the DC bus.

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