BoilerFaultCodes Noises in CH system Medium
Boiler Fault Code Noises in CH system
Also written as NOISESINCHSYSTEM — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Noises in CH system appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your heating system is struggling due to trapped air or low water pressure, which is causing the banging or whooshing noises you are hearing. (As reported on Chaffoteaux Serelia 24 MFFI)
Pick your boiler brand for the Noises in CH system fix
Source
Information for the Noises in CH system 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