E2222 High

Boiler Fault Code E2222

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E2222 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has stopped working because its internal thermometer has developed an electrical fault and can no longer tell how hot the water is. (As reported on Worcester Bosch GB162)

Pick your boiler brand for the E2222 fix

Source

Information for the E2222 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