What does the Worcester Bosch Greenstar CDi F98 fault code mean?
The F98 fault code indicates a problem with the product enhancements of the Worcester Bosch Greenstar CDi boiler. This typically relates to issues with the boiler’s internal software or configuration that may affect its performance.
Common Causes
- Software Glitch: A temporary malfunction in the boiler’s software can trigger the F98 fault code.
- Configuration Error: Incorrect settings or updates to the boiler’s enhancements may lead to this fault being displayed.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it may involve complex software or internal components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F98 fault code is around £150 to £250. This includes potential software updates or configuration adjustments performed by a qualified engineer.