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What can cause a LCF fault on the ATV61 and ATV71 drives?

Issue:
What can cause a LCF fault on the ATV61 and ATV71 drives?

Product Line:
Altivar ATV61 and ATV71

Environment:
All 

Cause:
Monitoring time for closing of line contactor. If once this time has elapsed, there is no voltage on the drive
power circuit, the drive will lock with an input contactor LCF fault.

Resolution:
Check to make sure the Line contactor is closing when they give the drive a run command. 

Programming Application function: Line contactor command
Check your(LCT) Mains V Time out setting.  If there is a timing issue, try increasing this value.  The LCT Mains V Time out is factory set to 5 seconds. 

 
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