What if the digital hotel management system can't read cards?

It may be a network problem. If it is a network problem, just wait patiently. If it is not a network problem, I suggest you contact after-sales service to help you solve the problem.

Card reader can't read it. The solution is as follows:

There are many reasons why the card reader can't read it, but we can solve it by exclusion.

First, check whether it is a card reader problem, that is, insert the card into the card reader before inserting it into the computer. If the front interface doesn't respond, plug in the back interface. If the back interface is still unreadable, plug it into another computer. If it is normal, it means the original computer. If it's not normal, it's the card reader.