What does the Glow-worm Flexicom F35 fault code mean?
The F35 fault code on a Glow-worm Flexicom boiler indicates a problem with the fan, which is crucial for proper combustion and ventilation. This fault typically arises when the fan is not operating correctly, leading to potential safety issues.
Common Causes
- Blocked Fan: Debris or obstructions may prevent the fan from spinning freely.
- Electrical Fault: Issues with wiring or connections can disrupt the fan’s operation.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer for any repairs related to the fan, as it involves gas and electrical components that require professional handling for safety reasons.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty fan on a Glow-worm Flexicom boiler is around £250 to £350. This includes the cost of the replacement fan and labour, reflecting the complexity of the repair and the need for a qualified technician.