What does the Worcester Bosch Greenstar Ri F73 fault code mean?
The F73 fault code indicates that there are faulty system settings within the boiler. This can prevent the boiler from operating correctly and may require adjustments to restore functionality.
Common Causes
- Incorrect Configuration: The boiler settings may have been altered inadvertently, leading to operational issues.
- Software Glitch: A temporary software issue or bug could cause the system to misinterpret its settings.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this fault, as incorrect adjustments can lead to safety hazards or further damage to the boiler.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F73 fault could be around £150 to £250, primarily depending on whether a software reset or reconfiguration is needed, along with any potential service fees.