Frequently asked questions
What is an INF7 fault on the ATV61 and ATV71 drives and how to remedy issue?
FA177804
28 September 2021
Issue:INF7 fault on the ATV61 and ATV71 drives
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.