E011 High
Boiler Fault Code E011
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E011 appears across 1 boiler brand and 4 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 a flame when there shouldn't be one, or the sensor incorrectly thinks a fire is lit, causing it to shut down for safety. (As reported on Vokera Evolve)
Pick your boiler brand for the E011 fix
Source
Information for the E011 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