...
This error is due to a connection problem between the ROOMZ server and your booking system. Please check the error message in the portal under “booking system” and follow the guide Bookingsystem
...
Pixel / Bars
If your display shows pixel or bars its possible that its just a software or battery issue. Please try the steps under https://roomzio.atlassian.net/wiki/spaces/SUP/pages/611188763/Display#Not-refreshing-%2F-showing-old-information
...