BoilerFaultCodes 2927 B High
Boiler Fault Code 2927 B
Also written as 2927B — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2927 B appears across 1 boiler brand and 10 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has lost its flame while running and has shut down for safety because it can no longer detect the fire needed to heat your water. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 2927 B fix
Source
Information for the 2927 B 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