What does the Worcester Bosch Greenstar CDi F87 fault code mean?
The F87 fault code on the Worcester Bosch Greenstar CDi indicates an issue related to the installation guide, often suggesting that the boiler has not been installed correctly or that there is a problem with the configuration settings. This fault can prevent the boiler from operating efficiently or at all.
Common Causes
- Incorrect Installation: The boiler may not have been installed according to the manufacturer’s specifications, leading to operational issues.
- Configuration Errors: Settings may not have been correctly configured during installation, causing the boiler to fail to recognize its operational parameters.
Can I fix it myself? (DIY)
It is highly recommended to call a qualified Gas Safe Engineer to address this fault, as improper handling can lead to safety hazards and further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F87 fault could be around £150 to £250, primarily due to the need for a professional assessment and potential reconfiguration of the boiler settings.