Worcester Bosch error codes and what they mean · Lithuania
All 6 Worcester Bosch fault codes in one table: what each one means, how serious it is and when to call a pro.
| Code | Appliance | What it means |
|---|---|---|
| 6A | gas boiler | The boiler failed to ignite (no flame was detected) and has locked out. |
| A7 | gas boiler | The hot water temperature sensor is faulty or disconnected. |
| C6 | gas boiler | The fan is faulty or is not reaching the correct speed. |
| E2 | gas boiler | A flow or return temperature sensor is faulty or disconnected. |
| E9 | gas boiler | The boiler overheated and the safety thermostat cut it out. |
| EA | gas boiler | The flame went out during operation, or the flame sensor signal is faulty. |
Appliance fault codes by brand
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