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Combi Boiler Error Codes
Choose your brand or find the code on your screen below. Each code has its own page with meaning, causes and safe steps.
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Other Combi Boiler brands with repair services:
All Combi Boiler error codes
| Code | Brand | Fault | Who fixes |
|---|---|---|---|
| F20 | Demirdöküm | Overheating — safety thermostat tripped | Be careful |
| F22 | Demirdöküm | Low water pressure | You can try this |
| F28 | Demirdöküm | Ignition failure — no flame | Be careful |
| F29 | Demirdöküm | Flame loss during operation | Be careful |
| F.22 | Vaillant | Low water pressure | You can try this |
| F.28 | Vaillant | Ignition failure — no flame | Be careful |
| F.29 | Vaillant | Flame loss during operation | Be careful |
| E01 | Arçelik | Ignition failure — no flame | Be careful |
| E02 | Arçelik | Overheating — safety thermostat tripped | Be careful |
| E04 | Arçelik | Low water pressure | You can try this |
| E16 | Arçelik | Fan fault | Technician only |
| E01 | Baymak | Ignition failure — no flame | Be careful |
| E10 | Baymak | Low water pressure | You can try this |
| E25 | Baymak | Possible pump blockage | Be careful |
| E1 | E.C.A. | Ignition failure — no flame | Be careful |
| P1 | E.C.A. | Low water pressure | You can try this |
| C6 | Bosch | Fan fault | Technician only |