Emergency
2926 on Worcester Bosch Greenstar 8000 Style

Your boiler has detected an issue with the valve that controls the gas flow, and for your safety, it has shut itself down to prevent it from operating incorrectly.

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

Too high feedback from the modulating/ current controlled gas valve

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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