BoilerFaultCodesYour boiler is trying to start up but cannot successfully light the gas to create 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: Ignition failure
What causes this fault?
This fault occurs when the boiler attempts to start its internal burner but fails to detect a steady flame after several tries. This is usually caused by a lack of gas reaching the unit, a worn-out spark probe that cannot ignite the fuel, or a faulty control board failing to send the correct signals.
DIY fix possible
Check that your gas supply is turned on at the meterCheck if other gas appliances in your home (like a hob) are workingPress the reset button once to see if the boiler restarts
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 Indicator sequence: Fast Flashing — no call-out fees, no surprises.
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Glow-worm Hideaway 40B 50B 60B FF 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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