What does the Glow-worm Flexicom F51 fault code mean?
The F51 fault code on a Glow-worm Flexicom boiler indicates a problem with the burner, which may prevent the boiler from igniting or operating correctly. This issue can lead to a lack of heating and hot water, requiring immediate attention.
Common Causes
- Blocked Burner: Debris or soot accumulation can obstruct the burner, affecting its performance.
- Faulty Ignition Electrode: If the ignition electrode is damaged or malfunctioning, it may fail to ignite the gas properly.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any issues related to the burner, as working with gas appliances can be dangerous. Attempting DIY repairs without proper qualifications can lead to serious safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F51 fault could be around £150 to £250, depending on whether the burner needs cleaning or replacement. This cost reflects the complexity of the repair and the need for professional expertise.