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What does the fault code LFF2 fault mean on the Altivar drives?

Published date: 14 May 2019

Issue:
What does the fault code LFF2 fault mean on the ATV61 or ATV71 drives?

Product Line:
Altivar ATV61 and ATV71

Environment:
All

Cause:
The drive is powering up with a LFF2 fault.

Resolution:
LFF2 LFF3 and LFF4 are all 4 to 20mA loss of follower faults.
Check your programing in the 1.8 Fault Management menu under 4 to 20mA Loss.  Turn this fuction off if you are not using it.
Check your analog signal to see if the drive is getting a 4mA min signal.

 

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