Hotels use electronic key cards. But suddenly I found that the key card of an ordinary room can open the doors of other rooms. What happened?

There are two situations:

1, enter the software system door, if you can set parameters to modify. If you don't know much about it, contact the after-sales department and handle it remotely. The access control system is hierarchical. Tongka (general manager card) can open all the doors.

Security card (can also be forcibly opened when locking the door), foreman card (can open the designated floor); Attendant card (only responsible floor can be opened); Guest card (only the specified room number can be opened; This is set by yourself, usually when you use it. Each of these cards has a specified parameter; Your current guest card can open other doors. It is estimated that there is a problem with the parameters of the passenger card system. Please change the floor and see if it can be opened. If it can still be driven, it is too heavy according to the parameters of the card! If you can only drive on the same floor, the parameters are the same as those of the attendant card. This is the case. ...

2. Module problem in the door lock.

This is the back door deliberately left by the manufacturer, and there will be no problem within one year (because one year is the warranty period, and the door-to-door service is free); After the warranty period, such problems will occur; The specified program is set in the module; You must also ask him to brush it for you; This is not a waste of money. The cost was originally 0 yuan, but you called it maintenance. It's 35,000 yuan short, maybe 30,000 to 20,000 yuan, depending on the size of your hotel. The despicable means of commercial competition!

If there are only a few, it is to remind your store that it is time to send some small money to the factory. If it is large-scale, hehe. . . Then you really won the lottery.

I hope you are the former!