What do the Vitoconnect LED displays mean?

Connectivity

gray area: Actuation range of the operating button A

Vitoconnect LED House.png  current operating status

Vitoconnect LED Signal.png  connection status with WLAN router and Viessmann server

Vitoconnect LED System.png  system functions and communication status with heat generator (restart, update, error)

LED Vitoconnect LED House.png
Operating status

Meaning

Troubleshooting measures

 

Lights up white

Operation with connected heat generator:
■ Successful connection setup of the Vitoconnect to the heat generator and to the Viessmann server

Operation without connected heat generator:
■ Successful connection establishment of the Vitoconnect to the Viessmann server

 

LED Vitoconnect LED Signal.png
Communication with WiFi and Viessmann server

  

Pulsating* green
(*see explanation below)

Internet connection of the Vitoconnect via the WiFi to the Viessmann server is established 
Lights up green

■ Vitoconnect starts
or
■ access point mode is active

 
Pulses yellow

Failed to establish connection between Vitoconnect and WiFi router

■ Check the password during WiFi commissioning.
■ Check the connection to the WiFi router.
■ Restart the Vitoconnect.

Lights up redFailed to establish Vitoconnect connection to Viessmann server■ WiFi signal strength too low:
- Change the installation location of the Vitoconnect.
■ WLAN connection exists, but no internet connection:
- Check the internet connection with another participant, e.g. laptop. If no internet connection is possible with other participants either, have the network settings checked by an IT specialist.
■ Restart the Vitoconnect.

LED Vitoconnect LED System.png
System functions and communication with the heat generator

  
Lights up green

■ Vitoconnect starts
or
■ new software is installed

 
Flashes yellow quicklyNo connection to the heat generator

■ Check the plug connections (Optolink, USB).
■ Check the connection cables (Optolink, USB).
■ Restart the Vitoconnect.

Flashes red

Vitoconnect is ready to be reset to the factory settings (must be confirmed within 5 seconds of activation)

How to reset the Vitoconnect to factory settings.

 
Lights up redFault in the control of the heat generator

Observe the message in the ViCare app.
■ Troubleshooting: Installation and service instructions for the heat generator

Faults without LED indication  
All displays on the Vitoconnect are offFault in the control of the heat generator

Check the mains connection and the plug-in power supply unit of the Vitoconnect.

(*)

Pulsing: The LED darkens once per second.

Flashing: The LED lights up once per second.

Flashing (fast): The LED lights up 2 times per second.