Your boiler is struggling to ignite the gas properly and has locked itself out for safety after several failed attempts.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Gas valve error due to opening period without flame – try resetting the boiler.
What causes this fault?
This fault occurs when the boiler's control system attempts to light the gas multiple times but fails to detect a sustained flame. The most common reasons are a faulty gas valve that isn't releasing fuel correctly, or a worn ignition electrode that is unable to produce the spark needed to start the combustion process.
DIY fix possible
Check that your gas emergency control valve is open and you have credit on your gas meterPress and hold the 'R' or 'Reset' button on the boiler control panel for 3 secondsWait for the boiler to complete its restart sequence to see if the flame generates
Find a Gas Safe engineer
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Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like rE44 — no call-out fees, no surprises.
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Could it be time for a new boiler?
If repair costs are adding up, a new energy-efficient boiler could be the smarter long-term choice.
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