A.O. Smith Error Codes — Complete List
| Code | Description | Severity | Difficulty |
|---|---|---|---|
| 1 Flash | A.O. Smith Water Heater Error Code 1 Flash: How to Fix It | low | Easy |
| 10 | A.O. Smith Water Heater Error Code 10: How to Fix It | critical | Easy |
| 2 Flash | A.O. Smith Water Heater Error Code 2 Flash: How to Fix It | medium | Medium |
| 3 Flash | A.O. Smith Water Heater Error Code 3 Flash: How to Fix It | critical | Hard |
| 4 Flash | A.O. Smith Water Heater Error Code 4 Flash: How to Fix It | critical | Medium |
| 5 Flash | A.O. Smith Water Heater Error Code 5 Flash: How to Fix It | high | Hard |
| 6 Flash | A.O. Smith Water Heater Error Code 6 Flash: How to Fix It | critical | Hard |
| 7 Flash | A.O. Smith Water Heater Error Code 7 Flash: How to Fix It | high | Medium |
| 8 Flash | A.O. Smith Water Heater Error Code 8 Flash: How to Fix It | high | Easy |
Ad