Making The Settings For Operation With External Extension - Viessmann Vitodens 100 Series Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
2. Press MODE within 5 seconds until
the following display appears:
3. until P06 is displayed.
4. OK to confirm
5. / for ON.
Symbol is displayed.
6. OK to confirm
7. MODE, to exit the settings mode.
Fault messages during activation
( and flashing)
■ H01: Internal error
■ H02: Internal error
■ H03: Excess temperature WLAN
module

Making the settings for operation with external extension

If an external extension has been con-
nected to the control unit:
Set the function at the control unit.
42
Connecting the heating system to
WLAN and the Viessmann server
Register the heating system on the
Viessmann server via the relevant app.
Display shows:
■ The message "COnn" is displayed
while the connection is being estab-
lished
■ If the WLAN module fails to register
on the router, "FAIL" is displayed.
■ When the WLAN module registers
successfully on the router, "PASS" is
displayed.
■ If the WLAN module is active in
access point mode, "AP" is dis-
played.
Faults during operation
and flash and "FAC" is displayed:
Connection fault between WLAN mod-
ule and control unit.
If faults occur when connecting to the
internet, and
For more information, see mes-
sages in the app.
01. Hold down MODE and
neously for approx. 5 s.
(cont.)
flash together.
simulta-