Generac PWRcell › inverter Mod. Settings (ATS / generator configuration)
Inverter displays fault code State 0x7721
reported more than once
Symptoms
- Inverter shows the undocumented-looking fault code 'State 0x7721'
- Generac phone support wait times make it hard to get an answer
Alerts and codes
0X7721
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.