| Error Code | Description |
|---|---|
| b1 | Code plug not detected |
| C6 | Fan speed to low |
| E9 | Safety temp. Limiter in CH flow has tripped. |
| EA |
“Flame not detected. If it safe to do so, check for:
|
| F0 | Internal error. |
| f7 | Flame detected even though boiler switched off. |
| FA | Flame detected after gas shut off. |
| Fd | Reset button pressed by mistake. |
Worcester Bosch Greenstar 30-40 CDi Classic Boiler Error Codes
Worcester Bosch Greenstar 30-40 CDi Boiler Error Codes