How to deal with the automatic lifting LED display half bright and half not bright?

  In the process of using automatic lifting LED display, because of improper operation and installation or other reasons, sometimes there will be automatic lifting LED display half bright half not bright situation. When this situation occurs, we must understand the specific causes of half of the LED display is not bright half bright, and then analyze the investigation through reasonable steps, from the source to solve the problem. Then you knowAutomatic lifting LED displayHalf bright half not bright how to deal with it? The following Vishay technology editorial for you:

  Possible reasons and treatment methods for the automatic lifting and lowering of the LED display screen half bright and half not bright:

  I. Loose wiring

  (1) first check to confirm whether the serial port line used to connect the controller is loose abnormal or shedding phenomenon. If the automatic lifting LED display in the beginning of the loading process has turned black, it is likely because in the communication process due to the communication line is loose and interrupted, so the screen turns black, do not mistakenly think that the screen body does not move, the line can not be loose, please do it first check, however, this is very important to quickly solve the problem.

  (2) Check and confirm whether the HUB distribution board connecting the auto-lift LED display and the main control card is tightly connected and plugged in backwards.

  II. Power supply issues

  Please make sure that all the hardware, including the control system, has been properly powered up. The power supply light is not flashing, the power supply is not faulty, it is worth noting that the use of poor-quality power supply, usually leads to automatic lifting LED display is prone to half bright half does not light this phenomenon.

  Third, LED unit board connection problems

  (1) Several consecutive boards in the longitudinal direction do not light, check whether the power supply of this column is normal.

  (2) Several consecutive boards in the horizontal direction does not light, check whether the normal unit board and the abnormal unit board between the line connection is connected; or chip 245 is normal.

  IV. Software settings or lamp problems

  If there is a clear demarcation between the software settings or the lamp of the auto lifting LED display, the software or settings cause a high possibility. If there is an even transition between the two, it may be a lamp problem.

  In summary, is the automatic lifting LED display half bright half not bright possible reasons and processing methods, when this situation occurs, we should be from the possibility of a greater number of reasons for one by one investigation, rapid positioning. If it is because of hardware failure or unable to confirm the problem, please contact the manufacturer for after-sales service to get better technical support.