BoilerFaultCodes C7214 High
Boiler Fault Code C7214
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code C7214 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's air fan is failing to start up, which means the system cannot safely clear the combustion chamber to begin the heating process. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the C7214 fix
Source
Information for the C7214 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