What does the Viessmann Vitodens 050-W E267 fault code mean?
The E267 fault code indicates a problem with the system mixing valve, which is responsible for regulating the temperature of the water circulating through the heating system. This fault can lead to inefficient heating and potential damage if not addressed promptly.
Common Causes
- Faulty Mixing Valve: The mixing valve may be stuck or malfunctioning, preventing it from properly adjusting the water temperature.
- Electrical Issues: There could be a wiring fault or a problem with the control board that affects the operation of the mixing valve.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that require professional expertise to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty mixing valve on a Viessmann Vitodens 050-W is approximately £250 to £350. This includes the cost of the part and labour, reflecting the complexity of the repair and the need for a qualified technician.