What does the Viessmann Vitodens 100-W F68 fault code mean?
The F68 fault code indicates that the service interval for the Viessmann Vitodens 100-W boiler has been exceeded. This means that the boiler requires a service to ensure it operates safely and efficiently.
Common Causes
- Exceeded Service Interval: The boiler has not been serviced within the recommended timeframe, which can lead to performance issues.
- Lack of Maintenance: Regular maintenance is essential for optimal operation; neglecting this can trigger the fault code.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer to address this fault, as it involves servicing the boiler and ensuring it meets safety standards. Attempting to reset or service the boiler without proper training can be dangerous.
Estimated Repair Cost (2026 UK Prices)
The estimated cost for a service to resolve the F68 fault code is approximately £100 to £150. This includes a thorough inspection and maintenance of the boiler to ensure it is functioning correctly.