EA High

Boiler Fault Code EA

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code EA appears across 3 boiler brands and 45 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has failed to light because it cannot detect a flame, which most likely means there is an issue with the gas supply or a part that ignites the fuel. (As reported on Worcester Bosch Greenstar 25HE)

Pick your boiler brand for the EA fix

Ideal EA 2 models Main EA 1 model Worcester Bosch EA 42 models

Source

Information for the EA 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