Emergency
11 on Vokera Easi Flo LE

Your boiler is detecting a flame inside the unit even when it has been told to turn off, which means it has safely shut itself down to prevent a potential hazard.

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

parasite flame fault

From this model's manual
Verified against the Vokera Easi Flo Le installation & service manual, page 22.
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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