What would cause an Internal Link Error (ILF) on the ATV630 and ATV930 Process Drives?

Issue:
ATV630/ATV930 ILF fault cause

Product Line:
ATV630 and ATV930 Process drives

Environment:
All

Cause:
Communication interruption

Resolution:
Communication interruption between option module and the drive.
Check your option board connections by removing the option cards and reinstalling the option cards.

Released for: Schneider Electric Philippines