Emergency
EXPLOSIVE IGNITION on Chaffoteaux Britony Duo 55

Your boiler is struggling to light smoothly, causing a small 'pop' or bang sound when it tries to start instead of igniting quietly.

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

I) Pilot; II) Slow ignition device stuck or wrongly adjusted

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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