Viessmann Vitoconnect 100 Installation And Service Instructions For Contractors page 16

Troubleshooting
Troubleshooting measures
Faults on the Vitoconnect 100 are signalled by various
LED indicators (see page 13).
Faults with LED indication
LED
Flashes red.
LED
Flashes red.
LED and LED
LED flashes red
LED pulsates yellow
LED
Flashes red.
Pulsates red.
Flashes yellow.
Flashes green.
Faults without LED indicator
Fault
All indicators on the
Vitoconnect 100 are off.
16
Type of fault and measures
No connection to the heat source
Check the plug-in connections (Optolink, USB).
■
Check the connecting lead.
■
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.
No connection to the internet
WLAN password of the home network is incorrect. Repeat entry.
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
Access point mode fault
Reset the network settings, see page 17
■
Maintenance mode (no data transfer)
Deactivate maintenance mode, see page 17
■
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.
Steps
Check the power supply and plug-in power supply unit of the Vitoconnect 100.