Tesla Powerwall › internal inverter and control board
Powerwall 2 shows Fault Detected, breaker won't reset
reported more than once
Symptoms
- One Powerwall of several stops charging and discharging
- Its breaker trips and will not hold
- App shows 'Fault Detected' or the unit vanishes from graphs
- Sometimes preceded by capacity loss
Alerts and codes
Powerwall Disabled - Service Required - Fault Detected
The cause and the fix
Subscribers see the cause, the fixes that worked and who did them, part numbers and recent prices when a part is involved, and the field reports behind this entry.