BoilerFaultCodes 2947 R High
Boiler Fault Code 2947 R
Also written as 2947R — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2947 R 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’s internal computer chip is giving an incorrect signal, which means the system doesn't know which specific model it is supposed to be. (As reported on Worcester Bosch Greenstar 2000)
Pick your boiler brand for the 2947 R fix
Source
Information for the 2947 R 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