How much does it cost to fix boiler error code Does fan Hunt? (YES)?

Typical repair cost for the boiler Does fan Hunt? (YES) fault is £250-450 including labour.

Does fan Hunt? (YES) High

Boiler Fault Code Does fan Hunt? (YES)

Also written as DOESFANHUNTYES — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Does fan Hunt? (YES) 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 keep the air extraction fan running steadily, which is usually caused by an internal electronic brain failure. (As reported on Saunier Duval Xeon 120 FF)

Pick your boiler brand for the Does fan Hunt? (YES) fix

Saunier Duval Does fan Hunt? (YES) 2 models

Source

Information for the Does fan Hunt? (YES) 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