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UV2 alarm code in yaskawa E7 drive

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(@click2electro)
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Joined: 4 years ago

Cause : CTL PS Undervolt comes when control Power Supply Undervoltage of the control circuit when running or external load connected pulling down the Drive power supplies.

  1. Cycle power off and on to the Drive.
  2. Repair or replace the Power PCB/ Gate Drive PCB.
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