E07 High

Boiler Fault Code E07

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E07 appears across 10 boiler brands and 47 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 the internal exhaust gases are getting too hot, which is usually caused by a circulation problem or a buildup of debris inside the main heating component. (As reported on Keston C36)

Pick your boiler brand for the E07 fix

Alpha E07 1 model Ariston E07 3 models Baxi E07 2 models Biasi E07 12 models Johnson Starley E07 2 models Keston E07 9 models Potterton E07 3 models Remeha E07 8 models Viessmann E07 1 model Vokera E07 6 models

Source

Information for the E07 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