F0 280 High
Your boiler's main internal computer has developed a serious fault and is unable to safely control the flame.
Technical description: The burner control unit is faulty
Typical repair cost: £350-£650 (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 F0 280 — no call-out fees, no surprises.
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Parts commonly replaced
- Burner Control Unit (PCB)
- Internal Ribbon Cables
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