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Some common failure phenomena and analysis solutions of LED pixel lights

source:Industry News Popular:Silicone Neon release time:2021-05-12 Article author:sznbone

  Fault I: After power on, the controller fault light (ERROR) flashes, the point light source is off, and there is no animation effect output? (SVBOO)

  Answer: This situation is generally because the controller does not read the card correctly and does not output a valid control program. The reasons may be:

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  (1). The SD card is empty and there is no effect file

  (2). The program file name in the SD card is wrong

  (3). The SD card is not formatted as required before copying the effect file

  (4). The effect file in the SD card does not match the lamp chip and controller model, please contact the manufacturer to recreate the effect file

  (5). Test after replacing the new SD card to rule out the possibility of SD card damage

  Fault Ⅱ: After power on, the controller indicator is normal and there is signal output, but the point light source has no effect change? (SVBOO)

  Answer: There are usually the following reasons for this situation:

  (1). Check whether the signal line of the lamp and the controller are properly connected

  (2). The signal of the external control lamp has an in/out direction, check whether the control signal enters from the signal terminal of the first lamp

  (3). Check whether the selected model when making the effect file *.led in the SD card is consistent with the chip used by the current lamp

  (4). The lamp and the controller must share the same ground, that is, the GND of the lamp and the GND of the controller must be connected together

  Fault Ⅲ: After the controller is connected to the lamp, the effect changes, but the lamp flickers, and the controller indicator shows normal? (SVBOO)

  Answer: (1). The ground wire between the controller and the lamp is not connected

  (2). The power supply voltage of the lamp is insufficient

  (3). The effect made in the SD card is wrong, and the lamp chip selected when making the effect does not match the chip of the actual lamp

  (4). The distance between the controller and the headlight is long (distance> 10 meters), and the signal transmission is unstable

  Fault Ⅳ: After power-on, the controller and the front part of the lamps are working normally, starting from a certain lamp, the rear lamps are abnormal? (SVBOO)

  Answer: In this case, the latter part of the lamps fails to receive the signal normally, and the reasons are usually as follows:

  (1). Individual lamp IC is faulty or the signal line before and after the lamp is damaged, generally replace the first non-lighting lamp in the abnormal position or the lamp in front of it

  (2). When writing the program, the number of point light sources has been written less (for example, 9,000 are actually used, and only 8,000 are written in the program), so the latter part has no animation effect, and you need to contact the manufacturer to rewrite the program

  Fault Ⅴ: After power on, the controller works normally, and the lamp changes position abnormally, which is different from the designed video effect? (SVBOO)

  Answer: This situation is caused by the inconsistency between the order of installation of lights and the designed wiring diagram. It is necessary to adjust the order and position of the installation of lights according to the designed wiring diagram, or input the actual arrangement of lights. Reprogram the program on the computer

  Fault Ⅵ: After power-on, the point light sources can change normally, but there are a few point light sources whose colors are different from others? (SVBOO)

  Answer: In this case, one of the three R, G, and B chips of the lamp bead is damaged, which causes the display to lack color. You only need to replace the problematic point light source.

  Fault Ⅶ: SD card cannot be formatted when copying programs? (SVBOO)

  Answer: (1). First confirm whether the protection switch on the side of the SD card has been unlocked, and the direction of unlocking is the gold needle end of the SD card

  (2). The protection lock has been opened as required, but it still cannot be formatted. In this case, the SD card reader is mostly broken. Please replace the SD card reader

  (3). If the above operation still does not solve the formatting problem, please replace the SD card and retest


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