How to fix Worcester Bosch Greenstar 8000 Lifestyle fault code E239

What does the Worcester Bosch Greenstar 8000 Lifestyle E239 fault code mean?

The E239 fault code indicates a pump monitoring error, which suggests that the boiler’s pump is not operating correctly or is failing to circulate water as intended. This can lead to overheating and potential damage if not addressed promptly.

Common Causes

  • Faulty Pump: The pump may have failed due to wear and tear or electrical issues, preventing it from circulating water effectively.
  • Blocked System: A blockage in the heating system can restrict water flow, causing the pump to struggle and trigger the error code.

Can I fix it myself? (DIY)

It is recommended to call a Gas Safe Engineer to diagnose and repair the issue, as working on gas appliances can be dangerous and requires professional expertise.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for addressing the E239 fault code is approximately £250 to £400, depending on whether the pump needs to be replaced or if the issue is due to a blockage that can be cleared.