What does the Worcester Bosch Greenstar 8000 Lifestyle E231 fault code mean?
The E231 fault code indicates a pump communication error, which means that the boiler’s control system is unable to communicate with the pump. This can lead to issues with water circulation and heating efficiency.
Common Causes
- Faulty Pump: The pump may be malfunctioning or completely failed, preventing proper communication.
- Wiring Issues: Damaged or loose wiring connections between the pump and the control board can disrupt communication.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair 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 E231 fault code is around £150 to £250, primarily due to the potential need for a new pump or wiring repairs, which can be labour-intensive.