BoilerFaultCodesYour boiler is working exactly as it should and is currently heating the water for your radiators or taps.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Indicates that the burner is lit and the boiler is operating normally.
What causes this fault?
This is not actually a fault, but a status indicator showing that the gas valve has opened and the burner has successfully ignited. It confirms that the internal sensors have detected a flame and the boiler is now generating heat for your central heating or hot water. If this light is on, the system is performing its primary function exactly as intended.
DIY fix possible
This fault may be fixable without an engineer. Check your manual first.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like Burner Lit LED — no call-out fees, no surprises.
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Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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