Viessmann VITOCONNECT 100 Installation And Service Instructions Manual 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 indication
Fault
All indicators on the
Vitoconnect 100 are off.
16
Type of fault and measures
No connection to the heat generator
Check the plug-in connections (Optolink, USB).
■
Check the connecting lead.
■
No connection to the internet
No WLAN connection
■
– Check network settings during WLAN commissioning.
– Check password during WLAN commissioning.
WLAN signal strength inadequate
■
– Change the installation location of the Vitoconnect 100, see page 10
WLAN connection established, but no internet connection
■
–
Check the internet connection with other subscriber, e.g. laptop.
If no internet connection is possible even with other subscribers, have the
network settings checked by an IT expert.
No connection to the internet
WLAN password of the home network is incorrect. Re-enter.
Fault at the control unit of the heat generator
Observe message in the ViCare app or Vitotrol Plus app.
■
Installation and service instructions of the heat generator
Fault, access point mode
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
Do not damage Vitoconnect 100.
Never disconnect the Vitoconnect 100 from the mains during firmware
installation.
Measures
Check the Vitoconnect 100 mains connection and plug-in power supply unit.