Frequently asked questions
What can cause the secondary control power transformer fuse to blow on an enclosed drive?
FA176033
17 May 2022
Issue:
The secondary fuse of the control transformer is blowing.
Product Line:
All enclosed drives
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.