BoilerFaultCodes Fan turns High
Boiler Fault Code Fan turns
Also written as FANTURNS — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Fan turns appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's fan is running, but the system is failing to spark the burner, meaning you will have no heating or hot water until it is repaired. (As reported on Biasi Riva Compact 24S)
Pick your boiler brand for the Fan turns fix
Source
Information for the Fan turns 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