| FAULT CODE |
CAUSE CODE |
POSSIBLE CAUSE |
| A1 |
281 |
Low or no water in the system – check pressure gauge and re-pressurise to 1 bar |
| C1 |
264 |
Fan stopped working |
| EA |
227 |
No flame detected – boiler will block during 4 attempts before going to a locking fault |
| EF |
349 |
Boiler operating at minimum burner load and there is a greater flow and return temperature than 18°C |
| No code |
212 or 213 |
Airlock or reduced water content – check pressure gauge and re-pressurise to 1 bar |
| No code |
260 |
Sensor disconnected or no water content – check pressure gauge and re-pressurise to 1 bar |
