External Program" Is Displayed - Viessmann Vitotronic 200 Series Operating Instructions For The System User

Heating system with weather-compensated control unit
Table of Contents

Advertisement

What to do if...

"External program" is displayed

Cause
The operating program set at the control unit was
changed over by the Vitocom communication interface.
40
Remedy
You can change the operating program.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents