BoilerFaultCodes E093 High
Boiler Fault Code E093
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E093 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 tried and failed to automatically adjust its internal settings too many times and has now locked itself out for safety. (As reported on Vokera Pinnacle Combi)
Pick your boiler brand for the E093 fix
Source
Information for the E093 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