What does the Glow-worm Flexicom F76 fault code mean?
The F76 fault code on the Glow-worm Flexicom indicates a communication error between the boiler’s components, which can prevent it from operating correctly. This issue often arises from problems with the wiring or the control board.
Common Causes
- Wiring Issues: Damaged or loose connections in the wiring can disrupt communication between components.
- Faulty Control Board: A malfunctioning control board may fail to send or receive signals properly, leading to the F76 error.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and gas safety regulations. Attempting to fix it yourself may pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F76 fault could range from £150 to £300, depending on whether the issue is with wiring repairs or a replacement control board, which can be costly.