28
Appendix
Ⅱ
Failure Analysis and Troubleshooting
1.If you are prompted that IP connection failed, please check whether the IP of
network port set correctly and network cable is workable and the controller IP and the
computer IP are in the same LAN network.
2. If you are prompted that serial port send / read failed, please check whether the
COM port of the control software you selected is the same as the control computer’s
COM port, check whether baud rate is 57600 and whether you have installed the USB
driver correctly.
3. When you are sending parameters, the screen is controlled but it shows a strange
lines or splash of colour, please check whether DVI has been connected correctly,
whether the resolution of the display card has been set into a common resolution
which is above 1280*1024. Furthermore, make sure product type is selected correctly.
Select the right product type before sending parameters as the following picture.
4. If the LED screen image has no response when you are adjusting the address, check
whether the COM port is connected and been set correctly, and check whether the
ports of the controller and signal divider be selected correctly. Generally speaking,
you will see images of LED screen will change follow the change of address setting in
real time. You will see the images of LED screen vary with the changes of address
setting in real time
5. If USB communication port cannot be found in the Device Manager of the
