What does the Glow-worm Ultimate F62 fault code mean?
The F62 fault code on a Glow-worm Ultimate boiler indicates a malfunction with the domestic hot water (DHW) valve. This issue can prevent the boiler from properly supplying hot water, affecting the overall performance of the heating system.
Common Causes
- Faulty DHW Valve: The valve may be stuck or damaged, preventing it from opening or closing correctly.
- Electrical Issues: Problems with the wiring or connections to the DHW valve can lead to communication failures, causing the fault code to trigger.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that require professional handling. Attempting to fix it yourself could pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for the F62 fault code is around £150 to £250. This includes the cost of replacing the DHW valve and any necessary labour charges, reflecting the complexity of the repair.