Emergency
Red light on Glow-worm Flexicom 56 3E

Your boiler has detected a safety issue with its burning or ventilation process and has shut itself down to prevent any risk to 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

Indicates that the pilot light is not operating correctly, the combustion products discharge safety device has been activated, or the lockout device has operated.

Community-sourced, unverified
We could not tie this code to a specific manual. Treat it as indicative only.
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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All 2 fault codes on the Flexicom 56 3E

Seeing a different code? Every code this model can display, in one place.

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