E033 High

Boiler Fault Code E033

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E033 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 The fan that moves air through your boiler has stopped spinning or is damaged, which means the boiler cannot safely operate and has shut down. (As reported on Vokera Pinnacle Combi)

Pick your boiler brand for the E033 fix

Source

Information for the E033 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