BoilerFaultCodes fan/flue problem High
Boiler Fault Code fan/flue problem
Also written as FANFLUEPROBLEM — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code fan/flue problem appears across 1 boiler brand and 1 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 system that removes waste gases, meaning it has safely shut down to prevent the release of fumes into your home. (As reported on Vokera Compact HE)
Pick your boiler brand for the fan/flue problem fix
Source
Information for the fan/flue problem 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