How to fix Worcester Bosch Greenstar 8000 Lifestyle fault code E290

What does the Worcester Bosch Greenstar 8000 Lifestyle E290 fault code mean?

The E290 fault code indicates a pump efficiency fault, suggesting that the pump is not operating at the expected performance level. This can lead to inadequate circulation of water within the heating system, potentially causing overheating or insufficient heating.

Common Causes

  • Blocked Pump Impeller: Debris or scale buildup can obstruct the impeller, reducing its efficiency.
  • Electrical Fault: Issues with the pump’s electrical connections or control board can prevent it from receiving the necessary power to operate effectively.

Can I fix it myself? (DIY)

It is advisable 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 complications or safety hazards.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for addressing the E290 fault could be around £150 to £250, primarily due to the need for a professional diagnosis and possible replacement of the pump or electrical components.