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What is an IF3 fault on an ATV312 drive?

Issue:
What is an IF3 fault on an ATV312 drive? 

Product Line:
ALTIVAR 312

Environment:
All

Cause:
IF3 Eeprom issue

Resolution:
This is an internal issue with the drive. 
Power the drive down. 
Once the display is blank power the drive back up. 
If the drive faults on IF3 a factory reset can be done by going to DRC menu and set FCS to INI (hold for 2 seconds). 
Power cycle the drive.
If this does not fix issue it is recommended that the drive be replaced.
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