3 Red Flashes High
Your boiler has tried to light itself several times but cannot create a flame, meaning you will not have any heating or hot water until it is reset or repaired.
Technical description: Ignition fault. Boiler has attempted to light 5 times and failed
Typical repair cost: £90-280 (including labour)
DIY fix possible
Check that your gas emergency control valve is open and you have credit on your gas meterTurn the selector switch to the 'R' (Reset) position for at least five secondsRelease the switch and see if the boiler initiates a successful ignition sequence
Protect yourself from future repair bills
A boiler cover plan would cover faults like 3 Red Flashes — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition Electrode
- Gas Valve
- Flame Sensing Probe
- Ignition Lead
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