0A2 High
Your boiler is struggling to detect a flame, which means it cannot fire up to provide heating or hot water.
Technical description: Flame detection fault
Typical repair cost: £100-280 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 0A2 — no call-out fees, no surprises.
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Parts commonly replaced
- Ionisation electrode
- Ignition lead
- Gas valve
- Printed Circuit Board (PCB)
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