What does the Worcester Bosch Greenstar Si F62 fault code mean?
The F62 fault code on the Worcester Bosch Greenstar Si indicates an issue with the service mode, which may prevent the boiler from operating correctly. This fault typically arises when the boiler is unable to enter or exit service mode as intended.
Common Causes
- Faulty Control Board: A malfunctioning control board may fail to manage the service mode properly, leading to the F62 error.
- Wiring Issues: Damaged or loose wiring connections can disrupt communication between components, causing the boiler to register a service mode fault.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this issue, as it may involve complex electrical components and safety risks associated with gas appliances.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F62 fault could be around £150 to £250, primarily due to potential replacement of the control board or repair of wiring issues, which require professional expertise.