What does the Ideal Mexico HE F37 fault code mean?
The F37 fault code indicates a fault with the central heating (CH) sensor in the Ideal Mexico HE boiler. This typically means that the sensor is either malfunctioning or has failed, which can affect the boiler’s ability to regulate heating properly.
Common Causes
- Faulty CH Sensor: The sensor may have developed a fault due to wear and tear or electrical issues, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the CH 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 to address this issue, as it involves gas and electrical components that require professional expertise for safety and compliance.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the CH sensor is approximately £150 to £200, which includes parts and labour. This cost reflects the price of the sensor itself and the professional service required for installation.