How to fix Ideal Mexico HE fault code F49

What does the Ideal Mexico HE F49 fault code mean?

The F49 fault code on the Ideal Mexico HE indicates an electrical fault within the boiler’s system. This could be related to issues with the wiring, control board, or other electrical components.

Common Causes

  • Wiring Issues: Damaged or loose wiring connections can disrupt the electrical flow, triggering the F49 fault code.
  • Control Board Failure: A malfunctioning control board may fail to communicate properly with other components, leading to this error code.

Can I fix it myself? (DIY)

It is highly recommended to call a Gas Safe Engineer for any electrical issues, as working with gas appliances can be dangerous. Attempting DIY repairs without proper knowledge can lead to further complications.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for resolving an F49 fault could range from £150 to £300, depending on whether wiring repairs or a control board replacement is necessary. The cost reflects the complexity of diagnosing and fixing electrical faults in boilers.