BoilerFaultCodes 2926 High
Boiler Fault Code 2926
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2926 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 computer has detected a general electrical communication error and has shut down as a safety precaution. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 2926 fix
Source
Information for the 2926 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