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What does IF1 Fault mean on ATV312 drives and what is the remedy?

Issue:
What does IF1 Fault mean on ATV312 drives and what is the remedy?

Product Line:
ATV312

Environment:
All

Cause:
Drive will not run

Resolution:
IF1 is an Internal Fault. Remove all control wiring from the drive. Verify proper line voltage and DC Bus voltage. Check 10V and 24V power supplies. If everything checks good then replace the drive.
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