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E.V fault error code in Mitsubishi FR-XC drive

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Cause : Box-type reactor overheat protection comes when the multifunction regeneration converter stops its output if the box-type reactor overheat protection (LOH) signal is detected during operation in harmonic suppression mode.

  1. Check if any foreign matter is stuck in the cooling fan on the box-type reactor.
  2. Check the setting of Pr.416.

 

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