What does the Ideal Logic Max F65 fault code mean?
The F65 fault code indicates a malfunction of the domestic hot water (DHW) flow switch in the Ideal Logic Max boiler. This issue prevents the boiler from detecting water flow, which can disrupt hot water supply.
Common Causes
- Blocked Flow Switch: Debris or limescale buildup can obstruct the flow switch, preventing it from functioning correctly.
- Electrical Fault: A wiring issue or a faulty connection can lead to the flow switch not sending the correct signals to the boiler.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that require professional expertise to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for fixing the F65 fault code is around £150 to £250. This includes the cost of a new flow switch and labour, as the part itself typically ranges from £50 to £100.