What does the Chaffoteaux Complaints of noise (1) fault code mean?

Your boiler is receiving too much gas, which is causing it to run inefficiently and create unusual, loud noises.

How much does it cost to fix Chaffoteaux error code Complaints of noise (1)?

Typical repair cost for the Chaffoteaux Complaints of noise (1) fault is £150-300 including labour.

Over-gassed.

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Each noise points to a different fault.

Older boilers — thermocouple, draught, gas supply.

7 signs repair isn't worth it anymore.