What does the Glow-worm Flexicom F83 fault code mean?
The F83 fault code on the Glow-worm Flexicom indicates a problem with the system diagnostics, suggesting that the boiler’s internal monitoring system has detected an issue that prevents it from operating correctly. This may be related to sensor failures or communication errors within the boiler’s components.
Common Causes
- Sensor Malfunction: A faulty temperature or pressure sensor can lead to incorrect readings, triggering the F83 fault code.
- Wiring Issues: Damaged or loose wiring connections within the boiler can disrupt communication between components, resulting in diagnostic faults.
Can I fix it myself? (DIY)
It is recommended to call a qualified Gas Safe Engineer to diagnose and repair the F83 fault, as it involves electrical and gas components that require professional expertise for safety and compliance.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F83 fault could range from £150 to £300, depending on whether a sensor replacement or wiring repair is needed. This cost reflects the complexity of diagnosing and fixing internal boiler issues.