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What is an INF fault on the ATV58 drive?

Issue:
What is an INF fault on the ATV58 drive?

Product Line:
Altivar 58, Econoflex, Flex58

Environment:
All

Cause:
Internal error

Resolution:
This is an internal error.  It can be caused by a fault drive or component within the drive.
This issue can also happen in the event that there is a shorting issue on the drives 24V and 10V supply. 
Check wiring to make sure nothing is pulling down these sources.
Confirm that no external communication wiring is causing issues on the drive.
If the 24V and 10V DC supplies are missing with drive powered, then this would be a drive issue.
 
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