What does the Viessmann Vitodens 050-W E297 fault code mean?
The E297 fault code indicates a problem with the system flow sensor in the Viessmann Vitodens 050-W boiler. This sensor is crucial for monitoring the flow of water through the heating system, and a fault can lead to inefficient operation or complete shutdown.
Common Causes
- Faulty Flow Sensor: The flow sensor may be defective or damaged, leading to incorrect readings.
- Wiring Issues: Damaged or loose wiring connections to the flow sensor can disrupt its functionality.
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 and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the flow sensor is around £150 to £250, including parts and labour. This cost reflects the complexity of the repair and the need for a qualified technician.