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Fault - 1 - No info


  • Input voltage low/missing
  • Polarity reversed
  • Main Board Damaged


  • Test- DC switch OFF
  • Check PV connections
  • Check polarity
  • Check voltage >120V Single, >350V three
  • Test- DC Switch ON
  • Check voltage >120V Single, >350V three
  • If DC voltage is “ 0” replace inverter

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