How to fix Worcester Bosch Greenstar 8000 Lifestyle fault code E220

What does the Worcester Bosch Greenstar 8000 Lifestyle E220 fault code mean?

The E220 fault code indicates a pump diagnostics fault, which suggests that the boiler’s pump is not functioning correctly or is experiencing issues with its operation. This can lead to inadequate circulation of water within the heating system, potentially causing overheating or system failure.

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 motor itself can lead to a failure in operation.

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 E220 fault could range from £150 to £300, depending on whether the pump needs cleaning, repair, or replacement. This cost reflects the complexity of the work and the need for a qualified engineer to ensure safety and compliance.