BoilerFaultCodes F000 High
Boiler Fault Code F000
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F000 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 sensors is sending an incorrect signals or has disconnected, preventing it from heating your water safely. (As reported on Intergas Xtreme / Xclusive)
Pick your boiler brand for the F000 fix
Source
Information for the F000 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