BoilerFaultCodes F.353 Medium
Boiler Fault Code F.353
Also written as F353 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.353 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected an issue with the combustion process and is temporarily turning itself off to ensure your safety before automatically trying to restart. (As reported on Viessmann Vitodens 200-W B2KF Combi)
Pick your boiler brand for the F.353 fix
Source
Information for the F.353 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026