229 High

Boiler Fault Code 229

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 229 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 started to heat up but the flame went out unexpectedly, causing the system to shut down for safety. (As reported on Worcester Bosch Greenstar 8000 Life/Style)

Pick your boiler brand for the 229 fix

Source

Information for the 229 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