BoilerFaultCodes 2950 B High
Boiler Fault Code 2950 B
Also written as 2950B — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2950 B appears across 1 boiler brand and 11 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is trying to light itself but cannot detect a flame, meaning your heating and hot water will likely stop working. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 2950 B fix
Source
Information for the 2950 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