2949 High

Boiler Fault Code 2949

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 2949 appears across 1 boiler brand and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is failing to detect a flame when it tries to work at a high power level, causing it to shut down for safety. (As reported on Worcester Bosch Greenstar 8000 Life/Style)

Pick your boiler brand for the 2949 fix

Source

Information for the 2949 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