Emergency
4.4 on Ideal LOGIC+ COMBI2

Your boiler has detected a flame when it shouldn't be there, which usually means a internal component is stuck open or there is a fault with the electronics.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Flame On Before Gas Valve On

Shared across the Logic+ COMBI2 range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s 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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Related fault codes

L2View →F2View →L1View →

All 15 fault codes on the LOGIC+ COMBI2

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

4.24.34.54.64.74.84.94.104.114.124.134.14Ignition LockoutToo Many Restarts

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