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What are possible causes of SCF1 motor short circuit faults on the ATV61 and ATV71?

ATV71 What are possible causes of motor short circuit faults SCF1?

Product Line:

ATV71 Altivar 71


SCF1 fault


SCF1 [Motor short circuit]     Short-circuit at drive output
• Check the cables connecting the drive to the motor, and the motor’s insulation
• Perform tests via the [1.10 DIAGNOSTICS] menu.
• Inspect/repair the drive  by doing a diode check between UWV and PA+ PC-  and L1 L2 L3 and PA+ and PC- 
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