BoilerFaultCodes f015 High
Boiler Fault Code f015
Also written as F015 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code f015 appears across 1 boiler brand and 4 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 its internal temperature sensor is not positioned or connected correctly, preventing it from heating your home safely. (As reported on Intergas Xtreme)
Pick your boiler brand for the f015 fix
Source
Information for the f015 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 7 July 2026