What does the Ideal Logic Plus F31 fault code mean?
The F31 fault code on the Ideal Logic Plus indicates a malfunction with the pressure sensor, which is responsible for monitoring the system’s water pressure. This issue can prevent the boiler from operating correctly, leading to heating and hot water supply problems.
Common Causes
- Blocked Pressure Sensor: Debris or scale buildup can obstruct the sensor, causing inaccurate readings.
- Electrical Fault: Issues with wiring or connections to the pressure sensor can lead to failure in communication with the boiler’s control board.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer for this issue, as working with gas appliances can be dangerous. Attempting to fix electrical or gas-related problems without proper training can lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty pressure sensor on an Ideal Logic Plus boiler is around £150 to £200. This includes the cost of the part and labour, as pressure sensors typically range from £50 to £100, and professional installation is necessary for safety and compliance.