Technical FAQs

Ask a Question

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

The secondary fuse of the control transformer is blowing.

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

All models and serial numbers

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

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

Was this helpful?
What can we do to improve the information ?