What does the Worcester Bosch Greenstar 8000 Lifestyle E203 fault code mean?
The E203 fault code indicates a pump speed fault, which means the boiler’s pump is not operating at the required speed for efficient heating. This can lead to inadequate heating performance and potential system damage if not addressed promptly.
Common Causes
- Faulty Pump: The pump may be malfunctioning or have internal damage, preventing it from operating correctly.
- Electrical Issue: There could be a problem with the wiring or connections to the pump, affecting its ability to receive power.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for any repairs related to the pump or electrical components, as these can pose safety risks. Attempting DIY repairs could void your warranty or lead to further issues.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty pump on a Worcester Bosch Greenstar 8000 Lifestyle is around £300 to £400, which includes parts and labour. This estimate reflects the cost of a replacement pump and the expertise required for installation.