Emergency
8.10 on Chaffoteaux Britony II 50FF

Your boiler is failing to shut off the flame when it should, which means it will continue to heat your water or radiators indefinitely.

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.

Technical description

Burner stays on

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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