BoilerFaultCodes HE High
Boiler Fault Code HE
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code HE appears across 2 boiler brands and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected that the water inside it is getting too hot, causing it to shut down for safety. (As reported on Ideal Esprit HE)
Pick your boiler brand for the HE fix
Source
Information for the HE 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 7 July 2026