How much does it cost to fix Chaffoteaux error code Complaints of noise (6)?

Typical repair cost for the Chaffoteaux Complaints of noise (6) fault is £150-250 including labour.

Complaints of noise (6) Emergency

Chaffoteaux Complaints of noise (6) Fault Code

Q: What does the Chaffoteaux Complaints of noise (6) fault code mean?

Debris has likely entered your boiler's internal gas supply component, causing it to vibrate or whistle while the system is running.

Also written as COMPLAINTSOFNOISE6 — same fault.

The Chaffoteaux Complaints of noise (6) fault code means: debris has likely entered your boiler's internal gas supply component, causing it to vibrate or whistle while the system is running.. It appears on 2 Chaffoteaux models in our database.

Technical description: Dirt/swarfon gas valve facing.

Typical repair cost £150-250 (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 (6) fault code

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

Source

Chaffoteaux Complaints of noise (6) 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