2927 High
Boiler Fault Code 2927
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2927 appears across 1 boiler brand and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has attempted to light the flame but cannot detect that it has successfully ignited, so it has shut down as a safety precaution. (As reported on Worcester Bosch Greenstar 4000)
Pick your boiler brand for the 2927 fix
Source
Information for the 2927 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