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What does the OC2P fault mean on the ATV21 and ATV212 drives?

Published date: 06 June 2019

Issue:
What does the OC2P fault mean on the ATV21 and ATV212 drives?

Product Line:
Altivar ATV21 and ATV212

Environment:
All

Cause:
Short circuit or grounding fault during deceleration

Resolution:
The fault means: Short circuit or grounding fault during deceleration
Drop the motor leads and Megger out the motor and cables with a 1KV Megger.
Run drive with no motor connected: Set 605 to 0 and measure voltage coming out of the drive at 20/40/60 hz intervals phase to phase voltage measurement.
Check for proper grounding at the motor and drive.


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