What does the Worcester Bosch Greenstar Ri F27 fault code mean?
The F27 fault code on the Worcester Bosch Greenstar Ri indicates a problem with the pump, which is essential for circulating water throughout the heating system. This fault typically suggests that the pump is either not functioning correctly or has failed altogether.
Common Causes
- Blocked Pump: Debris or sludge may have accumulated in the pump, preventing it from operating effectively.
- Electrical Fault: Issues with the electrical supply to the pump, such as a blown fuse or faulty wiring, can also lead to this fault code.
Can I fix it myself? (DIY)
While some basic troubleshooting can be attempted, such as checking for blockages or ensuring the power supply is intact, it is strongly advised to call a Gas Safe Engineer for any repairs related to gas or electrical components to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F27 fault code is around £150 to £250, depending on whether the pump needs to be replaced or simply repaired. This estimate includes parts and labour, reflecting the typical costs associated with Worcester Bosch components.