BoilerFaultCodes Fan hunts High
Boiler Fault Code Fan hunts
Also written as FANHUNTS — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Fan hunts 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 is struggling to maintain a steady fan speed, which is preventing it from completing its startup sequence and heating your home. (As reported on Glow-worm Ultimate3)
Pick your boiler brand for the Fan hunts fix
Source
Information for the Fan hunts 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