Room temperature sensor for heating circuit 1 is unavailable, which may be normal operation without room influence. The manual's first action is: “Check external room temperature sensor in heating circuit or room temperature sensor on remote control unit”
- Model
- Viessmann Vitodens 111-W
- Display shows
- Room temperature sensor for heating circuit 1 not available (574)
- Type
- Fault code
- Source
- Manual p. 82
What 574 means
Room temperature sensor for heating circuit 1 not available p. 82
Common causes
- Normal operation without room influence p. 82
What to do
- Check external room temperature sensor in heating circuit or room temperature sensor on remote control unit p. 82
If 574 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Viessmann service.
This page summarises what the manufacturer’s manual says about 574; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Viessmann. Found a mistake? Report an error.
