There was an error connecting the consumer machine to the computer... 5

Generally 485 communication, consumption opportunities and a manager-like device are connected or directly through the 485 to 232 converter and computer com

port connection, through the consumer software side configuration of the consumer machine, generally by the machine number to distinguish, such as 001, 002, generally the same road can not repeat the machine number, as you described, either the two ends of the communication line AB are reversed, or there is no duplicate machine number, or the software side is not configured to cause no communication.

To reset the communication address of the consumer machine and the computer, @@熙南科技消费机连接电脑可以直接在电脑上查看消费数据这些的.

1. What brand of rice vending machine do you use, and what model do you use? According to your description, reinstall the system, can the software still open, if it can't be opened, the database is not installed, if it can be opened, it is not a problem with the converter, a problem with wiring, a problem with the crystal head, a problem with the search machine number.

Shenzhen Yihechuang Electronics, canteen card machine manufacturers remind you to reinstall the system, your communication serial cup has been restored to the default, to choose again, thank you! It is estimated that your problem must be solved, and if you have any questions in the future, please feel free to ask.

Chengdu Ecos: It may be a problem with the system settings. First, if the consumer machine is used for the first time, it is likely to be a problem with the system settings, and you can consult the after-sales service of the pants and ask them to help adjust the settings.

Second, if Hu Ming has been using it for a period of time before he is cautious, it may be that there is a problem with the transmission line, either there is a problem with the computer system, or there is a problem with the consumer machine.

In a word, after the purchase of ** and the after-sales of **, let them solve it.

If your database type is SQL, you go to the enterprise manager, find the corresponding database file, open the data table in it to modify, not a professional, I suggest you do not change, otherwise, it will cause the system to be paralyzed! It's best to make a database backup before modifying!

If the consumer machine is used for the first time, it is likely to be a system setting problem, you can consult the product's after-sales service and ask them to help adjust the settings.

If this situation occurs after using it for a period of time, it may be that there is a problem with the transmission line, either there is a problem with the computer system, or there is a problem with the consumer machine.

In a word, after the purchase of ** and the after-sales of **, let them solve it.

Shenzhen Yihechuang Electronics reminds you that it will upload records if you want to collect data, thank you.