F.83 High
Your boiler's computer memory has developed a technical error, meaning the internal control system cannot process instructions correctly.
Technical description: EEPROM fault – electronics defective
Typical repair cost: £250-£450 (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 F.83 — no call-out fees, no surprises.
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Parts commonly replaced
- Printed Circuit Board (PCB)
- Control Box
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