UA-67 High
Your boiler is unable to start because it cannot detect its internal memory chip, which contains the essential programming it needs to operate.
Technical description: Boiler chip card (BCC) is missing
Typical repair cost: £120-250 (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 UA-67 — no call-out fees, no surprises.
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Parts commonly replaced
- Boiler Chip Card (BCC)
- Main PCB (Printed Circuit Board)
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