10E High

Boiler Fault Code 10E

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 10E appears across 2 boiler brands and 6 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 that the temperature of the exhaust gases leaving the unit is too high, so it has safely shut itself down to prevent damage. (As reported on Biasi Activ A)

Pick your boiler brand for the 10E fix

Source

Information for the 10E 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 31 August 2026