Emergency
2918 on Worcester Bosch Greenstar 8000

Your boiler has detected an issue with the way it is burning gas and has shut itself down to ensure your safety.

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

Fault in combustion control

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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