When using an outdoor LED display, it often fails to load. Knowing the common sense of multi-point LED display can make us more comfortable when using LED display.
Several aspects to analyze the phenomenon of why the LED display can not be loaded.
1. Check whether the jumper cap is loose or falling off; if the jumper cap is not loose, make sure that the direction of the jumper cap is correct.
2. Check and confirm that the serial cable used to connect to the controller is a straight-through cable, not a crossover cable.
3. Check and confirm that the serial port cable is intact and there is no looseness or fall off at both ends.
4. Select the correct product model, correct transmission method, correct serial port number, correct serial transmission rate according to the LED display control software and the control card you choose, and set it correctly according to the dial switch diagram provided in the software Control the address bits and serial transmission rate on the hardware of the system.
5. Make sure that the control system hardware has been powered on correctly.
6. If it still fails to load after the above inspection and calibration, please use a multimeter to measure whether the serial port of the connected computer or control system hardware is damaged. To confirm whether it should be returned to the computer manufacturer or the control system hardware for testing.
In short, the reason for the abnormal loading of the LED display may be the product itself, or it may be caused by your improper operation during use. As long as you think carefully or ask the manufacturer, it is easy to find the source of the problem.
