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A. O. Smith water heater repair
In-home repair for A. O. Smith water heaters across Auburn, Opelika and Lee County. Below are the 5 A. O. Smith error codes we see most, with what each one means.
On the display
A. O. Smith water heater error codes
| Code | Meaning | Fix it yourself? | |
|---|---|---|---|
| 2 flashes | Low thermopile voltage | ||
| 4 flashes | Over-temperature shutdown | ||
| 5 flashes | Temperature sensor failure | ||
| 7 flashes | Gas control failure | ||
| 8 flashes | Pilot stays lit after shutdown |
What we fix
Common A. O. Smith water heater repairs
- Heating element replacement~50 min
- Thermostat replacement~40 min
- Anode rod replacement~40 min
- Thermocouple / gas valve replacement~60 min
- Tank flush and descaling~60 min
- Tankless descaling service~75 min