Fault Finding Codes
Fault finding codes for the Xtramax HE range
Fault finding codes for the Xtramax HE range
| Codes | Description |
|---|---|
| F1 | Ignition fault |
| F2 | Fan |
| F3 | Fan |
| F4 | Ignition fault |
| F5 | Overheat Fault |
| F6 | Central heating flow thermistor |
| F7 | Domestic hot water thermistor |
| F8 | Tank thermistor |
| F9 | Water pressure sensor fault (please contact GW technical department for further information) |
| F10 | Central return flow thermistor |
| F11 | Main board connection fault |
| F12 | User interface connection fault |
| F13 | PCB memory or sensing fault |
| F14 | Gas valve control defective |
| F16 | Flame detection fault |
| F17 | Power supply is less than 170v |
| F18 | User interface fault |
| F19 | Central heating thermistor unplugged |
| F20 | Software incompatibility |
| F23 | Water circulation fault |
| F24 | Cental heating return temperature > 90 degrees |
| F25 | Maximum temperature rise slope |
| F26 | Maximum delta temperature |