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Vaillant ecoTEC plus Error Codes
Verified error codes seen on this model.
Pick the code shown on your Vaillant ecoTEC plus below to see its meaning and fix steps.
See codesecoTEC plus codes
| Code | Fault | Who fixes |
|---|---|---|
| F.22 | Low water pressure | You can try this |
| F.28 | Ignition failure — no flame | Be careful |
| F.29 | Flame loss during operation | Be careful |