Fault 184 means the burner is in a fault state because of a short circuit in the flow temperature sensor or high limit safety cut-out. The manual's first action is: “Check the flow temperature sensor/high limit safety cut-out. Check sensor lead. Replace faulty component if required. Reset the appliance.”
- Model
- Viessmann Vitodens 111-W
- Display shows
- Burner in a fault state (184)
- Type
- Fault code
- Source
- Manual p. 72
What 184 means
Burner in a fault state p. 72
Common causes
- Short circuit, flow temperature sensor/high limit safety cut-out p. 72
What to do
- Check the flow temperature sensor/high limit safety cut-out. Check sensor lead. Replace faulty component if required. Reset the appliance. p. 72
If 184 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 184; 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.