BoilerFaultCodes 2955 B High
Boiler Fault Code 2955 B
Also written as 2955B — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2955 B 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 is struggling to keep a flame going even though it is trying to run at full power, meaning it cannot provide heating or hot water until the issue is resolved. (As reported on Worcester Bosch Greenstar 2000)
Pick your boiler brand for the 2955 B fix
Source
Information for the 2955 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