What does the Worcester Bosch Greenstar i F26 fault code mean?
The F26 fault code on the Worcester Bosch Greenstar i indicates a malfunction with the temperature sensor, which is responsible for monitoring the water temperature within the system. This issue can lead to improper heating performance and may require immediate attention to ensure safe operation.
Common Causes
- Faulty Temperature Sensor: The sensor may be damaged or malfunctioning, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the temperature 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 for this issue, as it involves electrical components and potential safety risks. Attempting to fix it yourself could lead to further complications or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty temperature sensor on a Worcester Bosch Greenstar i is around £150 to £200. This includes the cost of the part and labour, reflecting the complexity of the repair and the expertise required.