What does the Ideal Mexico HE F87 fault code mean?
The F87 fault code on the Ideal Mexico HE indicates a domestic hot water (DHW) configuration fault. This typically means there is an issue with the boiler’s settings or components related to the hot water supply.
Common Causes
- Incorrect DHW settings: The boiler’s configuration for hot water may not be set correctly, leading to operational issues.
- Faulty temperature sensor: A malfunctioning temperature sensor can cause the boiler to misread the water temperature, triggering the fault code.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer for this issue, as it may involve complex settings or electrical components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F87 fault could be around £150 to £250, primarily depending on whether a sensor replacement or reconfiguration is needed, which involves both parts and labour.