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What can cause the secondary control power transformer fuse to blow on an enclosed drive?

Published date: 14 May 2020

Issue:
The secondary fuse of the control transformer is blowing.

Product Line:
S-Flex 21, S-Flex 212, E-Flex, M-Flex

Environment:
All models and serial numbers

Cause:
Caused by short circuit to ground.  Possible loose wire or defective or damaged contactor coil.

Resolution:
Trace short circuit with ohm meter.  Replace coil if necessary.


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