What does the Viessmann Vitodens 050-W E369 fault code mean?
The E369 fault code on the Viessmann Vitodens 050-W indicates a problem with the exhaust system, which can affect the boiler’s ability to vent gases safely. This fault may arise from blockages or issues with the flue, leading to potential safety hazards.
Common Causes
- Blocked Flue: Debris or obstructions in the flue can prevent proper exhaust gas ventilation.
- Faulty Flue Sensor: A malfunctioning sensor may incorrectly detect issues within the exhaust system, triggering the fault code.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer to address this issue, as it involves gas and exhaust systems that require professional handling for safety reasons.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E369 fault could range from £150 to £300, depending on whether the issue is a simple blockage or requires replacement of components like the flue sensor.