Tizen Samsung Smart Signage can't download files

Hello, I have recently set up a Tizen Signage and connected it to our CMS. It is registered and currently still has a test licence.

Now the problem is that it is giving error messages that it cannot download various files. Here are two of the error messages, they all have the same structure: Download failed for file bundle.min.js. Error:{“code”:-1,“name”:“UnknownError”,“message”:“Connection timed out”} or Download failed for file 26.xlf. Error:{“code”:-1,“name”:“UnknownError”,“message”:“Connection timed out”}

The screen is a Samsung Smart Signage LH32QMCEPGCXEN. I currently have CMS version 4.2.0 installed. The Xibo Player version R405 is installed on the Tizen screen. The firmware currently installed on the Samsung Smart Signage is 1100.

Hello everyone,
I have now been able to solve the problem.
In my Apache2 Virtualhost file I had only stored SSLCertificateFile and SSLCertificateKeyFile. This also worked with the Windows screens. However, this does not seem to be sufficient for the Tizen screen. For the Tizen screen, I still had to store the SSLCertificateChainFile.
Now everything works perfectly.