LED displays the general fault diagnosis Frequently Asked Questions
01. Load may not be what causes it?
Load is not possible due to several causes, depending on your actions listed were compared:
A. Ensure control of the system hardware has been correctly powered up. (+5 V)
B. Check and confirm the serial cable for connecting the controller for the straight line, rather than the cross-line.
C. Check and confirm that the serial cable is intact and that there is no loose or fall off at both ends of the phenomenon.
D. Control LED display control software and their own use of control cards to select the correct product model, the correct transfer mode, the correct serial number, the correct baud rate and control the software provided by the DIP switch diagram control system hardware is set correctly address spaces and the baud rate.
E. Show jumper cap is loose or fall off; if there is no jumper cap loosening, make sure the jumper caps in the right direction.
F. If, after the above checks and are not loaded after correction still occurs, please use multimeter measure if this is connected to a computer or control system hardware serial port were damaged. To confirm whether it should return the computer will control the system hardware manufacturers or the return of detection.
02. Communication is not what might be the causes?
Communication is not with the load on the reasons for non-or less the same, may be due to several causes, depending on your actions listed were compared:
A. Ensure control of the system hardware has been correctly powered up. (+5 V)
B. Check and confirm the serial cable for connecting the controller for the straight line, rather than the cross-line.
C. Check and confirm that the serial cable is intact and that there is no loose or fall off at both ends of the phenomenon.
D. Control LED display control software and their own use of control cards to select the correct product model, the correct transfer mode, the correct serial number, the correct baud rate and control the software provided by the DIP switch diagram control system hardware is set correctly address spaces and the baud rate.
E. Show jumper cap is loose or fall off; if there is no jumper cap loosening, make sure the jumper caps in the right direction.
F. If, after the above checks and are not loaded after correction still occurs, please use multimeter measure if this is connected to a computer or control system hardware serial port were damaged. To confirm whether it should return the computer will control the system hardware manufacturers or the return of detection.
03. Why you may be prompted to "Please connect LED display controller," the word?
Many of our customers friends from the company's Web site's "Download Center" where the direct download to be "LED display control system", the installation will be run after 20 minutes after a "connect the LED display controller," the words prompt, which is due to system In the test of time was not detected Yi accommodate a wide control system hardware.
At this point, please send your purchase of the LED display control system hardware at one end connected to the computer and the other end with the HUB connected to the distribution board, HUB distribution board cable socket with LED display some of the various units connected to the interface.
After connecting, you can enter the "Settings" within the "Set screen parameters" provision of the relevant parameters, after close and reopen the software, the software will appear above the "Connect success" word. At this point, the system has detected that the display control system hardware, will be no time limits to normal use.
04. Why LED display control system power-on hardware-in-time just a few seconds will appear bright line or "花屏"?
The display controller and the computer and HUB distribution panels and screens to connect properly, you need to provide +5 V power supply to the controller to make them work (At this point, do not connect directly with the 220V voltage). Instantaneous power, the display will appear a few seconds of bright lines or "Huaping," the bright line or "花屏" are a normal phenomenon of the test to alert the user display is about to begin work.
2 seconds, automatically eliminate this phenomenon, the display into normal working condition.
05. Automatic or manual brightness adjustment mean?
Brightness adjustment is shown in the screen can light the darkest and most made between the adjustments. Rather than the light-sensitive regulation.
Automatic brightness adjustment is based on different time periods appear to be different brightness by Yi wide LED display control system automatically adjusts the brightness to a certain book.
Manual brightness adjustment refers to the end user through the Yi wide LED display control operation of the system to achieve a specified Ershi LED display brightness.
06. Why does everything a normal controller when the screen above does not show that?
Controller settings and connection cable to connect the proper circumstances, sometimes also appear on the LED display screen does not show the situation is generally caused by one of the following reasons, please control check:
A. Power-on LED display is normal.
B. HUB distribution plate and the screen connection is reversed.
C. The edit and send the program is empty.
07. Cell plate appears the entire screen is not bright, dark light.
A. Visual power cable, cell plate 26P between the cable and power supply module lights are normal.
B. Whether to use a normal multimeter voltage measurement unit board, and then measuring the output voltage of power supply module is normal, if not, then judged as a bad power supply module.
C. Measurement of low voltage power supply module to regulate the fine-tuning (power module near the lamp at fine-tuning) to enable the voltage up to standard.
08. LED display screen goes black what causes it?
Control system used in the process, we occasionally encounter the phenomenon of LED display black screen appears. The same phenomenon may be caused by a variety of different causes, and even the black screen may vary depending on the course of operation or due to different circumstance. For example it may be a moment of power is black, in the loading process may also be black, may also be sent after the dark and so on. Please note that this phenomenon may be encountered in the light of the following aspects to determine the "failure":
A. Make sure you include all the hardware, including control systems have all the correct power. (+5 V, not to take anti-, then the wrong)
B. Check and have repeatedly confirmed that serial cable for connecting the controller whether there is loose or fall off the phenomenon. (If the loading process in the dark, probably because the reasons that in the communication process was interrupted due to communication lines loose and therefore I screen black. Do not think that display body did not move, the line can not be loose, please hands-on check, which you want to quickly resolve the issue is very important.)
C. Check and confirm the connection LED display and with the main control card connected to the distribution board if HUB tight junction, is inserted counter.
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