Step by step guide
Once you have added the device into the Remote Configurator you should be able to connect to your device however it might happen that you won't be able to connect. This is usually caused by the invalid VPN certificates in your intercom. To fix this and load a new certificates you have to go to the detail of the device:
Figure 1: Intercom setting details
In the settings you have to click on the button called "Renew device service settings" located at the bottom of the page in the section called "Remote configuration service".
Figure 2: Remote configuration service renewal
Alternatively you can try to delete the device from your account and try to add it again.