What does the Worcester Bosch Greenstar Ri F86 fault code mean?
The F86 fault code indicates a problem with the system history, which may suggest that the boiler has detected an issue that could affect its operation. This code typically requires further investigation to determine the underlying cause and ensure safe and efficient functioning.
Common Causes
- Faulty Sensor: A malfunctioning sensor may not provide accurate readings, leading to the F86 fault code being triggered.
- Electrical Issues: Problems with the boiler’s electrical components, such as wiring or connections, can cause the system to register faults incorrectly.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for any issues related to gas or electrical components. Attempting to fix these problems without proper training can be dangerous.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F86 fault code could range from £150 to £300, depending on whether a sensor replacement or electrical repairs are needed. This estimate reflects the cost of parts and labour for a qualified engineer.