BoilerFaultCodes.com
0A1 High

Your boiler has tried to light several times but has been unable to create a flame, meaning you will not have any heating or hot water.

Technical description: Ignition failure
Typical repair cost: £100-350 (including labour)

DIY fix possible

Check if other gas appliances, like a cooker, are working to ensure gas is reaching the propertyCheck if your gas meter has creditPress the reset button on the boiler control panel

Get professional help

Find a Gas Safe registered engineer in your area.

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Protect yourself from future repair bills

A boiler cover plan would cover faults like 0A1 — no call-out fees, no surprises.

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Parts commonly replaced

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