BoilerFaultCodes EE0033 High
Boiler Fault Code EE0033
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EE0033 appears across 1 boiler brand and 3 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 an unusually high temperature reading even though it should be resting, which usually suggests a faulty sensor or a circulation problem. (As reported on Ariston Genus 27)
Pick your boiler brand for the EE0033 fix
Source
Information for the EE0033 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