BoilerFaultCodes E94 High
Boiler Fault Code E94
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E94 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 is struggling to maintain a steady flame because it either isn't receiving enough gas or it is drawing in its own exhaust fumes. (As reported on Warmhaus Enerwa)
Pick your boiler brand for the E94 fix
Source
Information for the E94 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