WAN Connection Drops; requires Reboot

ragnarXYZ

The last few weeks, my SG-2220 loses WAN connectivity and I have to reboot the unit; I'm doing this every 24-48 hours. It reboots and everything is fine again. I'm not sure what logs I could look at to help determine the issue, however, if the unit is running fine and then the connection drops, that seems odd to me. Any thoughts?
![Screen Shot 2018-01-21 at 8.07.56 PM.png](/public/imported_attachments/1/Screen Shot 2018-01-21 at 8.07.56 PM.png)
![Screen Shot 2018-01-21 at 8.07.56 PM.png_thumb](/public/imported_attachments/1/Screen Shot 2018-01-21 at 8.07.56 PM.png_thumb)