What does the Worcester Bosch Greenstar 8000 Lifestyle E253 fault code mean?
The E253 fault code indicates a pump performance issue within the Worcester Bosch Greenstar 8000 Lifestyle boiler. This typically means that the pump is either not circulating water effectively or has failed altogether, which can lead to overheating and system inefficiency.
Common Causes
- Blocked or Dirty Pump: Debris or sediment can accumulate in the pump, hindering its performance.
- Electrical Fault: Issues with the pump’s electrical connections or control board can prevent it from operating correctly.
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 E253 fault is around £250 to £400. This includes the cost of a new pump and labour, as pump replacement is a common and necessary repair for this fault.