10 High
Boiler Fault Code 10
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 10 appears across 26 boiler brands and 151 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 4 models Atag 10 10 models Atmos 10 3 models Baxi 10 10 models Biasi 10 6 models Chaffoteaux 10 7 models Daikin 10 1 model ECA 10 1 model Ferroli 10 1 model Glow-worm 10 4 models Grant 10 5 models Heatline 10 1 model Ideal 10 5 models Intergas 10 7 models Main 10 1 model Myson 10 1 model Potterton 10 5 models Pro 10 3 models Remeha 10 9 models Saunier Duval 10 3 models Sime 10 4 models Viessmann 10 17 models Vokera 10 13 models Warmworld 10 2 models Worcester Bosch 10 4 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 31 August 2026