What does the Worcester Bosch Greenstar CDi F30 fault code mean?
The F30 fault code on the Worcester Bosch Greenstar CDi indicates a problem with the gas valve, which is responsible for regulating the flow of gas to the burner. This issue can prevent the boiler from igniting or operating efficiently.
Common Causes
- Faulty Gas Valve: The gas valve may be malfunctioning or completely failed, leading to an inability to control gas flow.
- Electrical Issues: Problems with the wiring or connections to the gas valve can disrupt its operation, causing the fault code to appear.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer for any issues related to the gas valve, as working with gas appliances can be dangerous. Attempting to fix it yourself may pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty gas valve on a Worcester Bosch Greenstar CDi is approximately £350. This includes the cost of the part and labour, as gas valves can be expensive and require professional installation.