07 High

Boiler Fault Code 07

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 07 appears across 10 boiler brands and 52 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 a general internal fault that prevents it from starting safely, requiring a professional engineer to diagnose the specific root cause. (As reported on Vokera Syntesi E)

Pick your boiler brand for the 07 fix

Alpha 07 7 models Baxi 07 3 models Chaffoteaux 07 5 models Glow-worm 07 5 models Ideal 07 2 models Remeha 07 1 model Saunier Duval 07 6 models Sime 07 5 models Viessmann 07 4 models Vokera 07 14 models

Source

Information for the 07 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