DESS sometimes is taking power from grid instead of battery, while enough SOC is available. Today 6:00-7:00 and 8:00-9:00. Active SOC is 25%.
(Dashboard id 442946)
Update.
Inverter on L1 has “low battery warning”, perhaps this is related to consumption from grid. SOC is 45% now, voltages on DC bus are equal everywhere.
And related with this topic: