Viessmann Vitodens 111-W Error 574: Room temperature sensor for heating circuit 1 not available

Viessmann Vitodens 111-W water heater · taken from the manufacturer’s manual, pages cited

Fault code574

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

  1. 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.