What does the Ideal Mexico HE F46 fault code mean?
The F46 fault code on the Ideal Mexico HE boiler indicates a flue gas fault, which suggests that the boiler is unable to properly vent exhaust gases. This can lead to unsafe operating conditions and requires immediate attention.
Common Causes
- Blocked Flue: A blockage in the flue system can prevent the safe expulsion of flue gases, triggering the fault code.
- Flue Installation Issues: Incorrect installation or positioning of the flue can lead to inadequate ventilation and cause the boiler to shut down.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer to diagnose and repair this issue, as working with gas appliances can be dangerous and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving a flue gas fault like F46 is around £150 to £300, depending on whether the issue is a simple blockage or requires more extensive repairs to the flue system.