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What can cause a Load Slipping Fault (AnF) on a ATV320 drive?

Published date: 09 October 2018

Issue:
 What can cause a Load Slipping Fault (AnF) on a ATV320 drive? 

Product Line:
 ATV320 drive

Environment:
 AnF faults

Cause:
 The difference between the output frequency and the speed feedback is not correct.

Resolution:
Check the motor, gain and stability parameters.
Check the size of the motor /drive load.
Check the encoder’s mechanical coupling and its wiring.
Recheck all the motor parameters
May need to add a braking resistor and turn off the brA.
 
 

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