BoilerFaultCodes A14 Emergency
Boiler Fault Code A14
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code A14 appears across 2 boiler brands and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has shut down because it has detected a problem with how the exhaust fumes are being cleared from the property. (As reported on Ferroli Bluehelix Tech)
Pick your boiler brand for the A14 fix
Source
Information for the A14 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 27 April 2026