07 High

Boiler Fault Code 07

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 07 appears across 7 boiler brands and 45 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 sequence error or a flame signal where there shouldn't be one, causing the burner to shut down completely for safety. (As reported on Viessmann Vitodens 200)

Pick your boiler brand for the 07 fix

Alpha 07 6 models Chaffoteaux 07 6 models Glow-worm 07 6 models Ideal 07 1 model Saunier Duval 07 6 models Viessmann 07 7 models Vokera 07 13 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 27 April 2026