F0C Medium

Boiler Fault Code F0C

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F0C appears across 2 boiler brands and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's hot water sensor is not working correctly, meaning your taps might not get hot or the temperature could be inconsistent. (As reported on Ideal i-mini2 C24)

Pick your boiler brand for the F0C fix

Source

Information for the F0C 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