What does the Ideal Mexico HE F31 fault code mean?
The F31 fault code on the Ideal Mexico HE indicates a gas valve fault, which means the boiler is unable to regulate the gas supply properly. This can lead to issues with heating and hot water production.
Common Causes
- Faulty Gas Valve: The gas valve may be malfunctioning or completely failed, preventing it from opening or closing as needed.
- Electrical Connection Issues: Loose or damaged wiring to the gas valve can disrupt its operation, leading to the fault code being displayed.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any issues related to the gas valve, as working with gas appliances can be dangerous. Attempting to fix it yourself could pose serious safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a gas valve replacement on an Ideal Mexico HE is around £250 to £350. This includes the cost of the part and labour, reflecting the complexity of the work involved and the need for a qualified engineer.