BoilerFaultCodes E93 High
Boiler Fault Code E93
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E93 appears across 2 boiler brands and 2 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 control its flame correctly and has shut down as a safety precaution. (As reported on Warmhaus Enerwa)
Pick your boiler brand for the E93 fix
Source
Information for the E93 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