Rheem XG40T06EC36U1 Gas Water Heater Error Codes
XG40T06EC36U1 Error Code Reference
Section titled “XG40T06EC36U1 Error Code Reference”Natural gas, 40 gal, EcoNet-enabled
| Error Code | Fault Description |
|---|---|
| C01 | No pilot / ignition failure (gas) |
| C7 | Flue gas sensor fault (gas models) |
| C11 | Thermistor (temperature sensor) fault |
| C13 | High-limit (ECO) safety switch tripped |