BoilerFaultCodes F031 High
Boiler Fault Code F031
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F031 appears across 1 boiler brand and 5 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 one of its internal temperature sensors is providing an incorrect reading or has failed. (As reported on Intergas Xtreme)
Pick your boiler brand for the F031 fix
Source
Information for the F031 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