Emergency
30 40 50 70 80 on Chaffoteaux Serelia 24 MFFI

Your boiler has detected a flame signal when it shouldn't be running, which indicates a potential internal problem with the gas safety detection system.

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

Fire detection without burner working

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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Related fault codes

30 40 50 60View →

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