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The varplus logic displays "PFC ALARM".What action to be taken?

This alarm may be due  to permanent over compensation or Permanent under compensation.

The action to be taken:
  • In case of permanent over compensation: Check settings (possibly step with step type "FON") and Check contactors, contactor contact may bonded.
  • In case of Permanent under compensation: Check capacitors and fuses and dimensioning of the system examined.
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