E108 Unknown

Boiler Fault Code E108

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E108 appears across 2 boiler brands and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Pick your boiler brand for the E108 fix

Baxi E108 1 model Main E108 1 model

Source

Information for the E108 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