What does the Ideal Mexico HE F35 fault code mean?
The F35 fault code on the Ideal Mexico HE indicates a problem with the printed circuit board (PCB), which is crucial for the boiler’s operation. This fault can lead to the boiler failing to operate correctly or not starting at all.
Common Causes
- PCB Failure: The PCB may have developed a fault due to age, wear, or electrical issues, leading to malfunction.
- Electrical Connections: Loose or corroded connections to the PCB can cause intermittent faults or complete failure.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer to diagnose and repair the PCB issue, as working with electrical components can be dangerous and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated cost for replacing the PCB on an Ideal Mexico HE is around £250 to £350. This includes the price of the part and labour, as PCB replacement is a complex task that requires professional installation.