BoilerFaultCodes EE0055 High
Boiler Fault Code EE0055
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EE0055 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's hot water sensor has failed, meaning it can no longer accurately measure how hot your water is and has stopped heating it as a safety precaution. (As reported on Ariston Genus Premium)
Pick your boiler brand for the EE0055 fix
Source
Information for the EE0055 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