September 20, 20241 yr 7 hours ago, wael_fathe said: sako inverter manual refers mysteriously that drive of dc to ac is the cause of 08.....how that can be is beyond my brain The inverter needs to do a quite delicate dance to keep the bus voltage within bounds while also charging the battery while loads and solar conditions are varying randomly. So I'm not surprised that a fault with the DC->AC or the DC-DC, including both their gate drivers, could cause fault code 08 (bus voltage too high).
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