Complaints of noise High

Boiler Fault Code Complaints of noise

Also written as COMPLAINTSOFNOISE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Complaints of noise 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 is making unusual noises because of trapped air, poor water circulation, or potential issues with the gas control components. (As reported on Chaffoteaux Flexiflame 140)

Pick your boiler brand for the Complaints of noise fix

Source

Information for the Complaints of noise 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 7 July 2026