The serial port is often used to open the serial port failed, and then restart the computer and the instrument connected to the serial port can again!

As long as the instrument can send data, we can judge that there is no problem with the instrument, the computer can also receive the data, the computer's serial port should also be fine, the data line can be tested under the access situation.

Once in a while, if you fail to open, it may be caused by unstable data transmission from the serial port. Generally use the USB to serial port data cable is prone to this situation, it is recommended that the serial port driver uninstalled, reinstalled to try.

Zeyn Weighing Software hopes to help you.