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Breanna EnglishJul 27, 2025
Why does my Viessmann Boiler display show 'E'?
- CcandacenelsonJul 27, 2025
When a fault in the burner control unit occurs in Viessmann Boiler, the display will show 'E'.
Why does my Viessmann Boiler display show 'E'?
When a fault in the burner control unit occurs in Viessmann Boiler, the display will show 'E'.
Why does the fault message reappear on my Viessmann Vitoladens 300-C Boiler?
If an acknowledged fault in Viessmann Boiler isn't resolved, the fault message will reappear the next day at 07:00 h.
General| Type | Condensing boiler |
|---|---|
| Fuel Type | Oil |
| Control | Vitotronic control unit |
| Max. Operating Pressure | 3 bar |
| Max. Flow Temperature | 85 °C |
| Efficiency | 98% |
| Installation | Floor-standing |
| Modulation Range | 1:3 |
| NOx Emissions | Class 5 |
