BoilerFaultCodes FAIL POINT F High
Boiler Fault Code FAIL POINT F
Also written as FAILPOINTF — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code FAIL POINT F 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 is trying to run the heating even though you have turned the control knob to the off position, which usually indicates an internal electronic fault or a stuck component. (As reported on Worcester Bosch 24/28CDi II RSF)
Pick your boiler brand for the FAIL POINT F fix
Source
Information for the FAIL POINT F 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