BoilerFaultCodesYour boiler is attempting to start but cannot successfully light or detect a steady flame, so it has shut down for safety.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Ignition, pilot or flame proving fault
What causes this fault?
This fault occurs when the boiler cannot establish a stable flame to begin the heating process after several attempts. It is usually caused by a blocked pilot light injector, a faulty electronic ignition component, or a gas valve that is failing to release gas to the burner.
DIY fix possible
Check that your gas emergency control valve is open and other gas appliances are working.Press the reset button on the front control panel.Ensure your decorative fireplace or external flue is not blocked by debris or ice.
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
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