What Should We Do If The LED Display Control Card Is Not Detected?
Jun 10, 2021
We can see the importance of the LED display control card from the word "core component".
Methods as below:
1. Confirm that the control card is compatible with the software.
2. Check whether the connection line is off or loose. Check and confirm that the serial line used to connect the control card is matched with the control card. Some control cards use straight-through (2-2, 3-3, 5-5) and some control Card use (2-3, 3-2, 5-5).
3. Ensure that the control system hardware has been powered on correctly.
4. Compare the control card software and the control card you choose to select the correct product model, correct transmission method, correct serial port number, correct baud rate, and correctly set the control system hardware according to the DIP switch diagram provided in the software The address bit and baud rate on the
5. If the loading still fails 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.
6. If the fifth step is not convenient, please contact the manufacturer for technical support.
