How to fix Glow-worm Flexicom fault code F70

What does the Glow-worm Flexicom F70 fault code mean?

The F70 fault code on the Glow-worm Flexicom indicates a malfunction in the user interface, which may prevent the boiler from operating correctly. This issue can stem from a faulty display or control panel, affecting user interaction with the system.

Common Causes

  • Faulty Control Panel: The control panel may have developed a fault, leading to incorrect readings or unresponsive buttons.
  • Wiring Issues: Damaged or loose wiring connections between the control panel and the boiler can disrupt communication, triggering the F70 fault code.

Can I fix it myself? (DIY)

It is recommended to call a Gas Safe Engineer to diagnose and repair the issue, as working with gas appliances can be dangerous. Attempting to fix electrical components without proper training may lead to further complications.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for the F70 fault code is around £150 to £250, primarily due to the need for a replacement control panel or repairs to wiring. This cost reflects the complexity of the issue and the expertise required for safe resolution.