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What can cause an SCF4 fault on the Altivar ATV12 drives?

Issue:
What can cause an SCF4 fault on the Altivar ATV12 drives?

Product Line:
Altivar ATV12

Environment:
All

Cause:
ATV12 drive is powering up with an SCF4 fault.

Resolution:
SCF4 means IGBT short circuit fault.
Possible issues: Internal power component short circuit detected at power on.  The drive may need to be replaced if the fault is coming up on power up.
 
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