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.

Complaints of noise (1) Emergency

Chaffoteaux Complaints of noise (1) Fault Code

Q: 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.

Also written as COMPLAINTSOFNOISE1 — same fault.

The Chaffoteaux Complaints of noise (1) fault code means: your boiler is receiving too much gas, which is causing it to run inefficiently and create unusual, loud noises.. It appears on 2 Chaffoteaux models in our database.

Technical description: Over-gassed.

Typical repair cost £150-300 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Chaffoteaux models that show the Complaints of noise (1) fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Chaffoteaux Complaints of noise (1) fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

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