BoilerFaultCodes EA234 High
Boiler Fault Code EA234
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EA234 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 has lost its connection to the gas valve, meaning it cannot light the flame to provide heating or hot water. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the EA234 fix
Source
Information for the EA234 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