BoilerFaultCodesYour boiler has stopped working for safety reasons and needs to be reset manually to try and restart the system.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Lockout
What causes this fault?
This fault occurs when the boiler has tried to ignite several times but failed to detect a flame, causing the system to shut down for safety. The most common reasons are a lack of gas reaching the burner, a worn-out ignition spark, or the boiler's internal sensor not recognising that the flame has lit.
DIY fix possible
Locate the reset button on the control panelPress the reset button once and release itWait up to 5 minutes to see if the boiler fires up and the status lights remain steady
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 LED2 — no call-out fees, no surprises.
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