How to fix Worcester Bosch Greenstar 8000 Lifestyle fault code E238

What does the Worcester Bosch Greenstar 8000 Lifestyle E238 fault code mean?

The E238 fault code indicates a pump diagnostics error, suggesting that the boiler’s pump is not functioning correctly. This could lead to inadequate water circulation, affecting the heating efficiency of the system.

Common Causes

  • Blocked Pump: Debris or scale buildup may obstruct the pump, preventing it from operating effectively.
  • Electrical Fault: Issues with the pump’s electrical connections or control board can lead to a failure in pump operation.

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.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for addressing the E238 fault code is around £250 to £350, which includes parts and labour for replacing the pump or repairing electrical connections.