Remote Control" Is Displayed; Ext. Control" Is Displayed; Ext. Program" Is Displayed; Ext.room T.setpt." Is Displayed - Viessmann VITODENS Operating Instructions Manual

"Remote control" is displayed

Cause
A remote control is connected to the
heating circuit

"Ext. control" is displayed

Cause
The heating program set at the control
unit was changed over by an external
device (e.g. connection extension).

"Ext. program" is displayed

Cause
The heating program set at the control
unit was changed over by the Vitocom
100 communication interface.

"Ext.room t.setpt." is displayed

Cause
A set room temperature has been
hooked up via the communication in-
terface.
Remedy
Make adjustments or carry out scans
at the remote control (see separate op-
erating instructions).
Remedy
No action required. The heating pro-
gram changeover was manually se-
lected.
Remedy
No action required. The heating pro-
gram changeover was manually se-
lected.
Remedy
No action required. The hook-up was
manually selected.
What to do if...
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