What does the Ideal Logic Max F64 fault code mean?
The F64 fault code indicates a short circuit in the central heating (CH) flow switch of the Ideal Logic Max boiler. This issue can prevent the boiler from operating correctly, leading to heating failures.
Common Causes
- Wiring Issues: Damaged or frayed wiring connected to the flow switch can cause a short circuit.
- Faulty Flow Switch: A malfunctioning flow switch itself may be the source of the short circuit, requiring replacement.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair this issue, as it involves electrical components that can be dangerous if handled improperly.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for the F64 fault code is around £150 to £250, primarily for the replacement of the flow switch and associated labour costs.