What does the Worcester Bosch Greenstar CDi F94 fault code mean?
The F94 fault code on the Worcester Bosch Greenstar CDi indicates an issue with the service contracts associated with the boiler. This typically means that the boiler has not been serviced within the required timeframe or that there is a problem with the service history being recorded.
Common Causes
- Expired Service Contract: The boiler may not have been serviced as per the manufacturer’s recommendations, leading to the fault code being triggered.
- Service History Error: There may be a discrepancy or error in the recorded service history, causing the boiler to believe it is overdue for maintenance.
Can I fix it myself? (DIY)
It is recommended to contact a qualified Gas Safe Engineer to resolve this issue, as it involves service contracts and may require access to the boiler’s internal settings or records.
Estimated Repair Cost (2026 UK Prices)
The estimated cost for addressing the F94 fault code could range around £100 to £150, primarily for the service visit and any necessary documentation updates. This cost reflects the typical charges for a qualified engineer to review and rectify service contract issues.