The appliance has to have Internet access to Cloud, firewall rules has to allow the appliance to access api.iqcloud.iquate.net.
Following commands can help troubleshooting the access to the Cloud:
Access successful to the cloud
curl -i -N https://api.iqcloud.iquate.net/communication/scan-data
...
The ERROR 500 means the Cloud received and processed the message just sent.
Access denied
curl -i -N https://api.iqcloud.iquate.net/communication/scan-data
...
The ERROR 403 means that the Cloud received the message but it was rejected for security, most like the Customer public was nit added to the white list on Cloude side.
No Access
curl -i -N https://api.iqcloud.iquate.net/communication/scan-data
...