What does the Viessmann Vitodens 050-W E341 fault code mean?
The E341 fault code indicates a malfunction with the system temperature sensor in the Viessmann Vitodens 050-W boiler. This issue can lead to incorrect temperature readings, affecting the boiler’s efficiency and performance.
Common Causes
- Faulty Temperature Sensor: The sensor may be damaged or malfunctioning, leading to inaccurate temperature measurements.
- Wiring Issues: Damaged or loose wiring connections to the sensor can cause communication failures, resulting in the fault code.
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 system temperature sensor is around £150 to £250, depending on the specific sensor and labour costs involved in the repair.