F027 Medium
Boiler Fault Code F027
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F027 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 is having trouble reading the outside temperature because the sensor or its wiring has developed an electrical fault. (As reported on Intergas Xclusive)
Pick your boiler brand for the F027 fix
Source
Information for the F027 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