Emergency
94 on Alpha E-Tec Plus

Your boiler has detected an issue with the air or exhaust flow, meaning it cannot safely burn gas, so it has shut down to protect your home.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Fan anomaly due to combustion issues - The anomaly is reported due to issues in the combustion circuit

From this model's manual
Verified against the Alpha E Tec Plus 28 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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Avoid the next call-out bill

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