Viessmann Vitodens 111-W Error 160: Burner in a fault state

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

Fault code160

Fault 160 indicates the burner is in a fault state due to a communication error on the CAN bus. The manual's first action is: “Check connection to CAN bus subscribers (INR, HBMU). Check connections to external CAN bus subscribers.”

Model
Viessmann Vitodens 111-W
Display shows
Burner in a fault state (160)
Type
Fault code
Source
Manual p. 72

What 160 means

Burner in a fault state p. 72

Common causes

  • Communication error, CAN bus p. 72

What to do

  1. Check connection to CAN bus subscribers (INR, HBMU). Check connections to external CAN bus subscribers. p. 72

If 160 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 160; 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.