High
PILOT FLAME DOES NOT LIGHT on Chaffoteaux Britony II 40FF

Your boiler is failing to ignite because it cannot start the small flame needed to safely light the main burner.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

What the manual says

Manufacturer manual

i) Gas service tap closed, ii) Air in pipe, iii) Pilot injector blocked, iv) No ignition spark

From this model's manual
Verified against the Chaffoteaux Boiler Corvec Britony Ii 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 high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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