Er 10 + RESET High

Boiler Fault Code Er 10 + RESET

Also written as ER10RESET — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Er 10 + RESET appears across 2 boiler brands and 12 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has shut down because it has detected that the exhaust gases are becoming dangerously hot, which is a safety feature to prevent damage to the flue system. (As reported on Biasi Advance 25C)

Pick your boiler brand for the Er 10 + RESET fix

Biasi Er 10 + RESET 11 models Johnson Starley Er 10 + RESET 1 model

Source

Information for the Er 10 + RESET 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