What does the Viessmann Vitodens 222-F F59 fault code mean?
The F59 fault code on the Viessmann Vitodens 222-F indicates that there are faulty system settings, which may affect the boiler’s operation. This can result from incorrect configuration or parameters set within the boiler’s control system.
Common Causes
- Incorrect Installation Settings: If the boiler was not set up according to the manufacturer’s specifications, it may lead to this fault code.
- Software Issues: Outdated or corrupted software within the boiler’s control unit can also trigger the F59 fault.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to resolve this issue, as it may involve complex system settings that require professional expertise. Attempting to fix it yourself could lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F59 fault code could be around £150 to £250, primarily for a technician’s visit and potential software updates or reconfiguration of settings.