BoilerFaultCodes ERROR High
Boiler Fault Code ERROR
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code ERROR 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 electronic brain is missing a crucial identification chip that tells it how to operate, so it has safely shut itself down until the part is properly installed. (As reported on Worcester Bosch Greenstar i Junior)
Pick your boiler brand for the ERROR fix
Source
Information for the ERROR 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