23 January 2021
ATV312 drive with an IF2 (Internal Fault).Product Line
All serial numbers for ATV312Cause
IF2 is an internal fault commonly caused by an unrecognizable or incompatible HMI card in the drive.
Disconnect HMI cable from the drive
Remove all control wiring then power cycle the drive
If it still faults, then there may be some other possible internal issue with the drive.
It would be recommended to replace the drive