Boiler Fault Code Complaints of noise (7)

Also written as COMPLAINTSOFNOISE7 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code Complaints of noise (7) 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 push water through its internal pipes, which is causing it to make loud, rattling or banging noises as it tries to operate. (As reported on Chaffoteaux Flexiflame 140)