2955 High
Boiler Fault Code 2955
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2955 appears across 1 boiler brand and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler’s internal computer has been given instructions that it doesn't recognize or that don't match how the unit is physically built. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 2955 fix
Source
Information for the 2955 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