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What are probable causes of SCF1 on Altivar 32 drive.

Published date: 13 May 2019

SCF1 is motor short circuit fault.

Probable cause:

Short-circuit or grounding at the drive output.

  • Check the cables connecting the drive to the motor and the motor insulation.
  • Reduce the switching frequency.
  • Connect chokes in series with the motor.
  • Check the adjustment of speed loop.

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