BoilerFaultCodes 281 High
Boiler Fault Code 281
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 281 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 pump is unable to move water because it is jammed or contains trapped air, stopping your heating from working. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 281 fix
Source
Information for the 281 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