Viessmann Vitodens 111-W Error 185: Burner in a fault state

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

Fault code185

The burner is in a fault state due to a lead break or flow temperature sensor/high limit safety cut-out issue. The manual's first action is: “Check the flow temperature sensor/high limit safety cut-out. Replace faulty component if required. Reset the appliance.”

Model
Viessmann Vitodens 111-W
Display shows
Burner in a fault state (185)
Type
Fault code
Source
Manual p. 72

What 185 means

Burner in a fault state p. 72

Common causes

  • Lead break, flow temperature sensor/high limit safety cut-out p. 72

What to do

  1. Check the flow temperature sensor/high limit safety cut-out. Replace faulty component if required. Reset the appliance. p. 72

If 185 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Viessmann service.

Open the manual at page 72 All Vitodens 111-W error codes Manual details & download

This page summarises what the manufacturer’s manual says about 185; 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.