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How do you clear fault code EPF1 on the Altivar ATV61 and ATV71 drives?

Published date: 16 October 2018

Issue:
How do you clear  fault code EPF1 on the Altivar ATV61 and ATV71 drives?

Product Line:
Altivar Process Drive

Environment:
ALL

Cause:
Wiring / Programming

Resolution:
A Power Cycle is required.  Toggling a bit over communications or a terminal input on the Drive assigned to Fault Reset will not clear EPF1, which means it's a True Safety contact.  This is clearly stated in the Programming Manual.


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