Solis
E021

Battery Over-Voltage

Battery pack voltage has exceeded safe upper limit.

BMS fault on batteryIncorrect charge voltage set in inverterBattery fault
STEP 1
Check inverter battery charge voltage setting matches battery specification. Dyness Powerbox G2: max charge 58.4V. Fogstar Drift 16kWh: max charge 58.4V
STEP 2
Power cycle battery (BMS breaker OFF 30 seconds, then ON). Check for BMS fault lights on battery
Charge voltage correct and fault persists — internal BMS fault, contact battery manufacturer
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E001
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E002
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E003
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E005
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