BoilerFaultCodes 214 / C7 High
Boiler Fault Code 214 / C7
Also written as 214C7 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 214 / C7 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 stopped working because the internal fan, which is responsible for safely venting exhaust gases, is failing to start. (As reported on Worcester Bosch Greenstar CDi Compact)
Pick your boiler brand for the 214 / C7 fix
Source
Information for the 214 / C7 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