Tesla Powerwall › solar inverter (1538000)
Powerwall+ solar drops to zero repeatedly on sunny days
reported in the field
Symptoms
- Solar and battery discharge drop to zero for 10 to 20 minutes on sunny days at random times
- Diagnostics log PVS_a050 / PVAC_a028 / PVAC_a036
Alerts and codes
PVS_a050_RelayCoilIrrationalWarningPVAC_a028_inv_K2_relay_weldedPVAC_a036_inv_lost_iL_control
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.