A06 High
Your boiler is failing to stay lit after it tries to start up, meaning it cannot provide you with heating or hot water.
Technical description: No flame after the ignition phase
Typical repair cost: £120-350 (including labour)
DIY fix possible
Check that your gas supply is turned on at the meterCheck if other gas appliances, like a hob, are working correctlyReset the boiler by pressing the 'Reset' button for 1 second
Protect yourself from future repair bills
A boiler cover plan would cover faults like A06 — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition electrode
- Gas valve
- Detection electrode
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