Emergency
Complaints of noise (1) on Chaffoteaux Flexiflame 140

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

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Over-gassed.

From this model's manual
Verified against the Chaffoteaux Flexiflame 140 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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