BoilerFaultCodes 10 High
Boiler Fault Code 10
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 10 appears across 18 boiler brands and 113 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because a sensor that monitors the temperature of the water returning from your radiators has developed a fault. (As reported on Glow-worm 30ci Plus)
Pick your boiler brand for the 10 fix
Alpha 10 24 models Ariston 10 6 models Atag 10 5 models Baxi 10 2 models Biasi 10 4 models Chaffoteaux 10 9 models Ferroli 10 3 models Glow-worm 10 4 models Grant 10 11 models Ideal 10 1 model Intergas 10 10 models Main 10 1 model Potterton 10 4 models Remeha 10 2 models Saunier Duval 10 4 models Viessmann 10 9 models Vokera 10 11 models Worcester Bosch 10 3 models
Source
Information for the 10 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