What can cause an motor short circuit SCF5 on an ATV61 or ATV71 drive?
Issue:
ATV61/71 SCF5 fault.
Environment:
All
Cause:
SCF5= Motor short circuit fault = Short-circuit at drive output
Resolution:
Check the motor cables connecting the drive to the motor.
Check the motor’s insulation. Using a 1,000V Megger, test the motor for windings or insulation issues.
Recheck all motor parameters. Be sure that your parameters match the information on the motor's nameplate.
Perform tests via the [1.10 DIAGNOSTICS] menu.
Run the drive open circuit (with the motor disconnected and OPL turned off) and check the drive's output terminals for balanced voltages phase to phase
Inspect and repair the drive.
ATV61/71 SCF5 fault.
Environment:
All
Cause:
SCF5= Motor short circuit fault = Short-circuit at drive output
Resolution:
Check the motor cables connecting the drive to the motor.
Check the motor’s insulation. Using a 1,000V Megger, test the motor for windings or insulation issues.
Recheck all motor parameters. Be sure that your parameters match the information on the motor's nameplate.
Perform tests via the [1.10 DIAGNOSTICS] menu.
Run the drive open circuit (with the motor disconnected and OPL turned off) and check the drive's output terminals for balanced voltages phase to phase
Inspect and repair the drive.
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