What does the Ideal Mexico HE F80 fault code mean?
The F80 fault code on the Ideal Mexico HE boiler indicates a communication fault within the central heating (CH) system. This typically means that the boiler is unable to receive or send signals to the heating controls or components.
Common Causes
- Faulty Wiring: Damaged or loose wiring connections can disrupt communication between the boiler and the heating controls.
- Defective PCB: A malfunctioning printed circuit board (PCB) may fail to process signals properly, leading to communication errors.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and potential safety risks. Attempting to fix it yourself could lead to further complications or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F80 fault could range from £150 to £300, depending on whether wiring repairs or a PCB replacement is needed. The PCB replacement is typically the more expensive part of the repair.