What does the Ideal Mini F27 fault code mean?
The F27 fault code on the Ideal Mini indicates a problem with the water temperature sensor, which is responsible for monitoring the temperature of the water in the system. This fault can lead to inefficient heating or the boiler shutting down to prevent damage.
Common Causes
- Faulty Water Temperature Sensor: The sensor may be malfunctioning or damaged, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the sensor can disrupt its functionality, causing the fault code to appear.
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. Attempting to fix it yourself could pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty water temperature sensor on an Ideal Mini is around £150 to £200. This includes the cost of the part and labour, as sensor replacements typically require professional installation.