How much does it cost to fix Chaffoteaux error code Complaints of noise - 8?

Typical repair cost for the Chaffoteaux Complaints of noise - 8 fault is £150-350 including labour.

Complaints of noise - 8 Medium

Chaffoteaux Complaints of noise - 8 Fault Code

Q: What does the Chaffoteaux Complaints of noise - 8 fault code mean?

Your boiler is making loud vibrating or banging noises, which usually suggests air is trapped in the system or the internal water pump is struggling to circulate water effectively.

Also written as COMPLAINTSOFNOISE8 — same fault.

The Chaffoteaux Complaints of noise - 8 fault code means: your boiler is making loud vibrating or banging noises, which usually suggests air is trapped in the system or the internal water pump is struggling to circulate water effectively.. It appears on 2 Chaffoteaux models in our database.

Technical description: Pump noise or vibrating.

Typical repair cost £150-350 (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 - 8 fault code

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

Source

Chaffoteaux Complaints of noise - 8 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