Emergency
14 on Potterton Statesman

Your boiler is struggling to burn fuel properly, which is causing fumes, strange smells, or a thumping sound because the internal airflow is blocked by dust or debris.

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

Burner Runs But Smoke, and or Smell, and or Pulsation - Dirt collecting on fan

From this model's manual
Verified against the Potterton Statesman 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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