What does the Worcester Bosch Greenstar Si F50 fault code mean?
The F50 fault code on the Worcester Bosch Greenstar Si indicates a problem with the system control, which may affect the boiler’s ability to operate correctly. This fault typically suggests that there is an issue with the electronic control board or its connections.
Common Causes
- Faulty Control Board: The electronic control board may have failed or developed a fault, preventing proper communication within the system.
- Loose Connections: Poor or loose electrical connections to the control board can disrupt signals, leading to the F50 fault code being displayed.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and safety risks. Attempting to fix it yourself could lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F50 fault code is around £250 to £350. This includes the potential replacement of the control board and labour costs, which are necessary for ensuring safe and proper operation of the boiler.