BoilerFaultCodes 2911 High
Boiler Fault Code 2911
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2911 appears across 1 boiler brand and 2 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 failed to automatically adjust its settings to ensure it burns gas safely and efficiently. (As reported on Worcester Bosch Greenstar 27CDi)
Pick your boiler brand for the 2911 fix
Source
Information for the 2911 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 7 July 2026