Explain how load is present not connected to Grid and Growatt spf 8000 dual mppt showing load in off position. Can only charge in stand by. Load showing at 8pm to 7am. Inverter in solar,battery only. Unit powered down no lights. This morning powered up in stand by. Battery was not low. Do I have a load from my panels?? I use a transfer switch to determine my loads power choice. If load powered by Grid or load powered by inverter. Switch was in nuetral position. No load.
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