E01 High
Your boiler has tried to light itself several times without success, meaning your heating and hot water will not work until it is reset or repaired.
Technical description: Ignition failure – the boiler has attempted to light 5 times and not succeeded – check the gas supply is on
Typical repair cost: £100-350 (including labour)
DIY fix possible
Check that your gas emergency control valve is in the open positionCheck if other gas appliances in your home, such as a hob, are working correctlyPress and hold the 'Reset' button for three seconds to clear the faultEnsure your prepaid gas meter (if applicable) has sufficient credit
Protect yourself from future repair bills
A boiler cover plan would cover faults like E01 — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition Electrode
- Gas Valve
- PCB (Printed Circuit Board)
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