Viessmann OPTO1, Installation And Service Instructions For Contractors

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Faults on the Vitoconnect 100 are signalled by various
LED indicators (see page 13).
Faults with LED indication
Type of fault and measures
LED
Flashes red. No connection to the heat source
■
Check the plug-in connections (Optolink, USB).
■
Check the connecting lead.
LED
Flashes red. No connection to the internet
■
No WLAN connection
–
Check the network settings during WLAN commissioning.
–
Check the password during WLAN commissioning.
■
WLAN signal strength insufficient
–
Change the installation location of the Vitoconnect 100, see page 10
■
WLAN connection established, but no internet connection
–
Check the internet connection with another subscriber, e.g. a laptop.
If no internet connection is possible even with another subscriber, have the
network settings checked by an IT expert.
LED and LED
LED flashes red
LED pulsates yellow No connection to the internet
WLAN password of the home network is incorrect. Repeat entry.
LED
Flashes red. Fault at the control unit of the heat source
■
Observe the message in the ViCare app or Vitotrol Plus app.
Heat source installation and service instructions
Pulsates red. Access point mode fault
■
Reset the network settings, see page 17
Flashes yellow. Maintenance mode (no data transfer)
■
Deactivate maintenance mode, see page 17
Flashes green. A new Vitoconnect 100 firmware is being installed.
!
Please note
Take care not to damage the Vitoconnect 100.
Never disconnect the Vitoconnect 100 from the power supply during
firmware installation.
Faults without LED indicator
Fault
Steps
All indicators on the
Vitoconnect 100 are off. Check the power supply and plug-in power supply unit of the Vitoconnect 100.
Troubleshooting
Troubleshooting measures
5785 665 GB
Diagnosis