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Viessmann Vitoconnect OT2 User Manual

Viessmann Vitoconnect OT2
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26
Internet connection interrupted
If the internet connection is interrupted, you will no lon-
ger be able to make settings via the ViCare app.
Only in conjunction with Vitoconnect, type OT2
The previously set time programs for central heating
and DHW heating are active.
You can change the set room temperature via the
Vitotrol 100, type OT1.
You can switch on "Comfort mode" via the Vitocon-
nect: See page 24.
Only in conjunction with Vitoconnect, type OPTO2
You can change all settings on the control unit of the
heat generator.
Operating instructions for the heat generator
Fault display on the Vitoconnect
Faults on the Vitoconnect are signalled by various LED
indicators: See page 19.
Faults with LED Type of fault and measures
Pulsates yellow. Attempt to connect Vitoconnect to WiFi router failed
Check the password during WiFi commissioning.
Check the connection to the WiFi router.
Restart the Vitoconnect: See page 27.
Illuminates yellow.
Or
Illuminates red.
No connection to the internet or No connection to the Viessmann server
No WiFi connection
Check the network setting during WiFi commissioning.
Check the password during WiFi commissioning.
WiFi signal strength too low
Change the installation location of the Vitoconnect: See page 11.
WiFi connection is present but there is no internet connection.
Check the internet connection with another device, e.g. a laptop.
If you are unable to connect to the internet from other devices, have your
network settings checked by an IT expert.
Restart the Vitoconnect: See page 27.
Flashes red quickly. Software error or hardware fault
Restart the Vitoconnect: See page 27.
If necessary, replace the Vitoconnect.
Faults with LED Type of fault and measures
Flashes yellow. Communication error with the Vitotrol 100, type OT1
Check the OpenTherm connecting cable to the Vitotrol 100, type OT1: See
page 17.
Restart the Vitoconnect: See page 27.
Flashes yellow quickly. No connection to the heat generator
Check the plug-in connections (Optolink, USB).
Check the connecting cables (OpenTherm, Optolink).
Restart the Vitoconnect: See page 27.
Flashes red quickly. Software error or hardware fault
Restart the Vitoconnect: See page 27.
If necessary, replace the Vitoconnect.
Illuminates red. Fault in the heat generator control unit
Note the message in the ViCare app.
Troubleshooting:
Installation and service instructions for the heat generator
What to do?
Measures for troubleshooting
5813605
Diagnosis

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Viessmann Vitoconnect OT2 Specifications

General IconGeneral
BrandViessmann
ModelVitoconnect OT2
CategoryControl Unit
LanguageEnglish

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