BoilerFaultCodes Fan not running High
Boiler Fault Code Fan not running
Also written as FANNOTRUNNING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Fan not running appears across 1 boiler brand 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 has stopped working because the component responsible for pushing air through the system has failed to start. (As reported on Baxi 130 HE (range))
Pick your boiler brand for the Fan not running fix
Source
Information for the Fan not running 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