What does the Viessmann Vitodens 050-W E247 fault code mean?
The E247 fault code indicates a problem with the air vent in the Viessmann Vitodens 050-W boiler. This issue can prevent the boiler from operating efficiently, potentially leading to further complications if not addressed promptly.
Common Causes
- Blocked Air Vent: Debris or obstructions may be preventing proper airflow, causing the fault code to trigger.
- Faulty Air Pressure Switch: A malfunctioning air pressure switch may not detect the correct airflow, leading to the E247 error.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair the issue, as working with gas appliances can be dangerous without proper training.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the E247 fault code is around £150-£250. This includes the cost of a technician’s visit and potential replacement of the air vent or pressure switch, which are common components that may need servicing.