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What is an INF7 fault on the ATV61 and ATV71 drives and how to remedy issue?

Published date: 21 November 2019

Issue:
What is an INF7 fault on the ATV61 and ATV71 drives and how to remedy issue?

Product Line:
Alitvar ATV61 and ATV71

Environment:
All

Cause:
Internal hard initialize fault

Resolution:
INF7 is a EEPROM initialization fault on the main control board of the VFD.  Attempt a full power cycle to clear fault.
If fault does not clear, VFD control board or the VFD itself may need to be replaced/repaired.

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