Emergency
POOR PILOT FLAME on Chaffoteaux Britony II 40FF

Your boiler is struggling to keep its small starter flame lit, so it has safely shut down to prevent gas from building up.

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

i) Pilot injector dirty/damaged, ii) Wrong injector (0.23 mm), iii) Pilot head blocked, iv) Faulty pilot tube

From this model's manual
Verified against the Chaffoteaux Britony Ii 30ff 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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