What does the Worcester Bosch Greenstar 8000 Lifestyle E277 fault code mean?
The E277 fault code indicates a pump status error, which suggests that the heating system’s pump is not functioning correctly. This can lead to inadequate circulation of water, affecting the boiler’s performance and efficiency.
Common Causes
- Blocked Pump: Debris or scale buildup can obstruct the pump, preventing it from operating effectively.
- Electrical Fault: Issues with the pump’s electrical connections or control board may disrupt its 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 safety risks. Attempting repairs without proper training can be dangerous.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E277 fault could be around £150 to £250, primarily depending on whether the pump needs to be cleaned or replaced. This estimate includes labour and parts, reflecting the complexity of the issue.