What does the Worcester Bosch Greenstar 8000 Lifestyle E255 fault code mean?
The E255 fault code indicates a pump service fault, which suggests that the heating pump is either malfunctioning or has failed to operate correctly. This can lead to inadequate heating and potential system damage if not addressed promptly.
Common Causes
- Blocked Pump: Debris or sludge may be obstructing the pump, preventing it from circulating water effectively.
- Electrical Fault: Issues with the electrical connections or the pump’s motor can cause it to fail to start or operate properly.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and potential gas 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 addressing the E255 fault could range from £150 to £300, depending on whether the pump needs cleaning or replacement. Replacement parts for the pump can be expensive, and professional labour costs will also contribute to the total.