BoilerFaultCodesYour boiler has stopped working because it failed to light properly or cannot detect a flame.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Lockout after ignition failure or sensing/spark electrode fault
What causes this fault?
This fault occurs when the boiler tries to start up but cannot successfully establish or detect a flame. The most common reasons are a lack of gas reaching the burner, a dirty electrode that can no longer create a spark, or a sensor that fails to tell the boiler the fire has actually lit.
This issue can occur more frequently during the first cold snap of autumn when internal components that have been idle all summer suddenly struggle to operate or become stuck.
DIY fix possible
Check that your gas emergency control valve is open and your gas meter has creditPress the 'Reset' button or turn the mode selector dial to the 'R' position for a few secondsIf the light stays red after three reset attempts, turn the boiler off and call an engineer
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 RED LED LIGHT — no call-out fees, no surprises.
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Vokera Compact HE 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.
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