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Fault - 5 - OV-G-F: Over Grid Frequency

Cause-

  • Inverter detects grid Frequency as too high


Solution-

  • Test- DC switch OFF
  • Check frequency at the inverter test points
  • If Frequency measures high, adjust upper limit with permission from utility
  • Check LCD reading, may be a bad measurement circuit
  • ┬áTest- DC Switch ON
  • Check grid standard
  • Replace inverter

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