How to fix Worcester Bosch Greenstar 8000 Lifestyle fault code E222

What does the Worcester Bosch Greenstar 8000 Lifestyle E222 fault code mean?

The E222 fault code indicates a pump feedback fault, which suggests that the boiler is not receiving the expected signal from the pump. This can lead to inadequate circulation of water, potentially causing overheating or other operational issues.

Common Causes

  • Faulty Pump: The pump may be malfunctioning or completely failed, preventing proper water circulation.
  • Electrical Connection Issues: Loose or damaged wiring connections between the pump and the control board can disrupt feedback signals.

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 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 resolving an E222 fault could be around £150 to £250, primarily depending on whether the pump needs to be replaced or if it’s a simpler electrical connection issue.