How much does it cost to fix boiler error code Fan (If fitted)?

Typical repair cost for the boiler Fan (If fitted) fault is £250-£450 including labour.

Fan (If fitted) High

Boiler Fault Code Fan (If fitted)

Also written as FANIFFITTED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fan (If fitted) 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 internal air system is failing to move waste gases out of the flue, which is preventing the unit from firing up safely. (As reported on Ideal Concord CXA 40-120)

Pick your boiler brand for the Fan (If fitted) fix

Ideal Fan (If fitted) 1 model

Source

Information for the Fan (If fitted) 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