BoilerFaultCodesYour boiler is operating normally 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: Burner On
What causes this fault?
This is not a fault, but rather a status notification indicating that the boiler has successfully ignited and is currently generating heat. It confirms that the internal sequence of checks is complete and the burner is actively firing to meet your heating or hot water demands. No action is required as this shows your appliance is working 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 6 — no call-out fees, no surprises.
Affiliate links — we may earn a commission at no extra cost to you.
Potterton Envoy Plus is discontinued — time for a new one?
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.
Affiliate links — we may earn a commission at no extra cost to you.