F52 High
Your boiler’s internal computer brain has experienced an electronic failure and can no longer control the heating process.
Technical description: Controller 041049G0 fault – controller internal error
Typical repair cost: £280-450 (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 F52 — no call-out fees, no surprises.
*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.
Parts commonly replaced
- Main Printed Circuit Board (PCB)
*Affiliate links — we may earn a commission at no extra cost to you.