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Troubleshooting
5.
/
until AP is displayed.
Faults during operation
flashes and "FAC" is displayed: Con-
nection error between the WiFi module
and the control unit.
Reinstating the delivered condition
Resetting the WiFi module
Note
Only possible if the WiFi module is acti-
vated.
Press the following buttons:
1. Press MODE and
and hold for at least 5 seconds until
the following display appears:
(cont.)
simultaneously
6. OK to confirm
7. MODE, to exit the settings mode.
8. Start configuration via the
Viessmann app.
For more information, see mes-
sages in the app.
2. Press MODE within 5 seconds until
the following display appears:
3.
until P06 is displayed.
4. OK to confirm
5.
/
until rES appears.
6. OK to confirm
15
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