What does the Glow-worm Energy F67 fault code mean?
The F67 fault code on the Glow-worm Energy boiler indicates a problem with the domestic hot water (DHW) temperature switch. This fault suggests that the boiler is unable to accurately detect or regulate the temperature of the hot water being produced.
Common Causes
- Faulty Temperature Switch: The temperature switch may be malfunctioning or damaged, leading to incorrect readings.
- Wiring Issues: Damaged or loose wiring connections to the temperature switch can disrupt its functionality and cause the fault code to appear.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair this issue, as it involves gas and electrical components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for fixing the F67 fault code is around £150 to £250, which includes the replacement of the temperature switch and any necessary wiring repairs. This cost reflects the complexity of the repair and the need for a qualified technician.