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Fault - 3 - OV-G-V: Over Grid Voltage


  • Inverter detects grid voltage as too high


  • Test - DC switch OFF
  • Check AC at the Inverter
  • If AC measures high, adjust upper limit with permission from utility
  • Test DC Switch On, Full Power
  • Check AC at inverter test points
  • Compare with LCD
  • If AC measures high, cables between inverter and interconnect are too small
  • Check ampacity and voltage drop calculations

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