What does the Worcester Bosch Greenstar Ri F79 fault code mean?
The F79 fault code indicates that there is an issue with system compatibility, which may arise from incorrect settings or incompatible components within the heating system. This fault prevents the boiler from operating correctly, requiring attention to ensure proper functionality.
Common Causes
- Incompatible Controls: The boiler may be connected to a control system that is not compatible with its specifications.
- Incorrect Configuration: The settings on the boiler or system may not match the requirements for the specific installation, leading to compatibility issues.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this issue, as it involves system compatibility that may require professional assessment and adjustments. Attempting to fix it yourself could lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F79 fault could range from £100 to £250, depending on whether adjustments to the control settings or replacement of incompatible components are necessary. This cost reflects the need for professional expertise to ensure safety and compliance.