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LED Fault - 3 - RUN is off


The inverter is not in the grid connection state.First check all the AC and DC cables are connected correctly.Use multimeter to measure the DC input voltage and to make sure the DC input voltage exceeds the start voltage of the inverter. Make sure the power supply and parameters of the inverter comply with the specifications. If all the conditions mentioned above are OK and this LCD is not on yet, please contact Sungrow.

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