Viessmann Vitodens 111-W Error 182: No DHW heating

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

Fault code182

Fault 182 means no DHW heating because there is a short circuit in the outlet temperature sensor (if installed). The manual's first action is: “Check outlet temperature sensor (plug X7, cores 3 and 4). Measure sensor input on HBMU heat management unit. Set value: 3.3 V– with sensor disconnected”

Model
Viessmann Vitodens 111-W
Display shows
No DHW heating (182)
Type
Fault code
Source
Manual p. 72

What 182 means

No DHW heating p. 72

Common causes

  • Short circuit, outlet temperature sensor (if installed) p. 72

What to do

  1. Check outlet temperature sensor (plug X7, cores 3 and 4). Measure sensor input on HBMU heat management unit. Set value: 3.3 V– with sensor disconnected p. 72

If 182 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 182; 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.