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Uv3 fault code in yaskawa D1000 drive

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(@click2electro)
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Cause : Soft Charge Answerback Fault comes when there is damage to the relay or contactor on the soft- charge bypass relay.

  1. Re-energize the drive. 
  2. If the fault stays, replace the control board or the drive. 
  3. Monitor U4-06 [PreChargeRelayMainte] shows the performance life of the soft-charge bypass relay. If U4-06 is more than 90%, replace the board or the drive
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