How to Solve the Sudden Failure of Full Color LED Display?

Publisher: Supplier of LED Display Time: 2016-11-07 Views: 1314

The full-color LED display is widely used in advertising, and its visual publicity effect is relatively good, which is widely loved by the business community. However, there are also many problems in the use of full-color LED displays. Nowadays, only the installation and maintenance technology of full-color LED display is the only way to install the full-color LED display. No matter which LED display manufacturer it is, it is impossible for the customer to come to the site for the first time when the fault occurs. technical support. So how should users solve the sudden failure faced by the full-color LED display? The following is a detailed introduction from Shenzhen LED display manufacturer Liancheng to users:


Sudden failure phenomenon of full-color LED display screen 1: it does not work, and the green light of the sending card flashes.


Causes of failure: 1. The screen is not powered 2. The network cable is not connected well 3. The receiving card has no power supply or the power supply voltage is too low 4. The sending card is broken 5. The signal transmission intermediate equipment is connected or faulty (such as: function card, relay device)


Solution: 1. Check and confirm that the power supply of the screen is normal 2. Check and reconnect the network cable 3. Ensure that the DC output power supply of the power supply is 5-5.2V 4. Replace the sending card 5. Check the connection or replace the function card (repeater)


Sudden failure phenomenon of full-color LED display screen 2: prompt "big screen system not found" when starting?


Failure reasons: 1. The serial port or USB cable is not connected to the sending card 2. The COM or USB port of the computer is broken 3. The serial port or USB cable is broken 4. The sending card is broken 5. The USB driver is not installed


Solution: 1. Confirm and connect the serial cable 2. Replace the computer 3. Replace the serial cable 4. Replace the sending card 5. Install the new version of the software or install the USB driver separately


Sudden failure phenomenon of full-color LED display screen 3: The strip with the same height as the light board does not display?


Causes of failure: 1. The flat cable is not in good contact or disconnected 2. There is a problem with the output of the former or the input of the latter of the display panel at the junction


Solution: 1. Re-plug or replace the cable 2. First determine which display module is faulty and then replace it for maintenance


Sudden failure phenomenon of full-color LED display screen four: 3 to 6 blocks in some modules do not display?


Failure reasons: 1. Power protection or damage 2. The AC power cord is not in good contact


Solution: 1. Check and confirm that the power supply is normal 2. Reconnect the power cord


Full-color LED display sudden failure phenomenon five: the whole box does not display?


Causes of failure: 1. The 220V power supply line is not properly connected 2. There is a problem with the transmission of the network cable 3. The receiving card is damaged 4. The HUB board is inserted in the wrong place


Solution: 1. Check the power supply cable 2. Confirm the replacement of the network cable 3. Replace the receiving card 4. Re-insert the HUB


Sudden failure phenomenon of full-color LED display screen five: the whole screen is dotted, and the picture and shadow move?


Failure reasons: 1. The driver loading program is incorrect 2. The network cable between the computer and the screen is too long or the quality is not good 3. The sending card is broken


Solution: 1. Re-operate and load the receiving card file 2. Shorten the length of the network cable or replace it 3. Replace the sending card


Shenzhen LED display manufacturer LCF issued a reminder: the above are just a few of the common problems in the sudden failure of full-color LED display, the cause of the failure and the solution are mentioned. Several sudden failures can be used to eliminate and solve problems. Products need to be maintained during use, and it is obvious that the full-color LED display is no exception. The daily cleaning and maintenance of the full-color LED display must be essential.