What does the Worcester Bosch Greenstar 8000 Lifestyle E157 fault code mean?
The E157 fault code indicates a malfunction with the water temperature sensor in the Worcester Bosch Greenstar 8000 Lifestyle boiler. This issue can prevent the boiler from operating efficiently, potentially leading to heating and hot water supply problems.
Common Causes
- Faulty Water Temperature Sensor: The sensor may be damaged or malfunctioning, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the sensor can disrupt its functionality, causing the fault code to appear.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair this issue, as it involves electrical components and gas safety regulations. Attempting DIY repairs could pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the water temperature sensor is around £150 to £200, including parts and labour. This cost reflects the need for a qualified engineer to ensure safe and proper installation.