What does the Viessmann Vitodens 222-F F87 fault code mean?
The F87 fault code on the Viessmann Vitodens 222-F indicates a maintenance issue within the heating system. This typically suggests that the system requires servicing or that there are operational anomalies that need addressing.
Common Causes
- Inadequate Maintenance: Regular servicing may have been neglected, leading to performance issues.
- Component Failure: A specific component, such as the pump or heat exchanger, may be malfunctioning, affecting overall system efficiency.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and resolve the issue, as it may involve gas or electrical components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F87 fault could range from £150 to £300, depending on whether a simple maintenance service is required or if specific components need replacement.