What does the Worcester Bosch Greenstar Ri F71 fault code mean?
The F71 fault code indicates a problem with the water quality in the Worcester Bosch Greenstar Ri boiler. This typically means that the boiler has detected impurities or issues with the water that could affect its operation and efficiency.
Common Causes
- Low Water Quality: The presence of contaminants or high levels of hardness in the water can trigger this fault.
- Incorrect Water Treatment: Failure to use appropriate water treatment methods, such as inhibitors, can lead to corrosion and scale build-up, affecting water quality.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer to address this issue, as it involves assessing water quality and potentially treating the system. DIY fixes may not resolve underlying problems and could lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F71 fault could be around £150 to £300, depending on whether water treatment is required or if components need to be replaced. This cost reflects the need for professional assessment and potential chemical treatments.