What does the Ideal Logic Max F47 fault code mean?
The F47 fault code indicates a malfunction with the domestic hot water (DHW) temperature sensor in the Ideal Logic Max boiler. This fault can prevent the boiler from accurately measuring the water temperature, leading to issues with hot water supply.
Common Causes
- Faulty Temperature Sensor: The sensor may be damaged or malfunctioning, causing incorrect readings.
- Wiring Issues: Damaged or loose wiring connections to the sensor can disrupt communication between the sensor and the boiler’s control board.
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 and safety risks. Attempting to fix it yourself could lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the DHW temperature sensor is around £150 to £200, which includes the cost of the part and labour. This is based on typical service rates and part prices in the UK.