Language
| Blind LED, controller problems, some rows or columns out of control, image disorderly, etc. | ||
| Phenomena | Analysis | Solution |
| 1.Whole screen does not show any image | a. AC power not connected well | Check main power source and power cable, test the AC voltage on power supply |
| b. Power supply is not working | a. Check the switch is on the right position | |
| b. Check the cable connected with the power supply is loosen or not | ||
| c. Check if there is DC output of the power supply, otherwise changed a power supply. | ||
| c. Computer can’t start | a. Check the right voltage of the country: 220V, 110V. | |
| b. Check and re-install system of computer: driver for graphic card; sending card; and other software conflict with system. | ||
| d. No DVI output signal(from computer):the green lamp of sending card is not flashing | Change display mode into CLONE mode in graphic card setting | |
| e. Main UTP cable is broken.(after the above steps, the green lamps in the first cabinet still not flashing) | Replace a new UTP cable from sending card to first cabinet | |
| 2.Whole screen display abnormal color | a. DVI port is broken | a. Change graphic card of computer |
| b. RJ45 connector is broken | b. Replace a new RJ45 connector | |
| c. Sending card is broken | c. Change a new sending card | |
| 3.When starting LED studio, a window reminds :LED screen system not found | a. The RS232 Cable is not well connected b. the COM port of the computer is broken. | Reconnect the RS232 cable between the COM Port in computer and sending card. |
| 4.Can not set up RCG file | RS232 cable is broken | Change a new COM cable |
| 5.Whole screen blinking with high brightness and abnormal image | RCG file is not well set | Reload the correct RCG file in “software setup” of LED studio and save in receiving card |
| 6, Each cabinet shows the same image | CON file is not set | Reload the CON file and save on the receiving card |
| 7, The image on the led display is showed in a confused order | The CON file is not set correct according to the data cable connection of the display | Reset the display connection page the same with the data cable connection mode when viewing from the front of the display. |
| 8, The brightness of led screen is low and cannot changed | Sending cards is not stable | Replace a sending card |
| 9, The picture on part of whole display is flashing | Data cable is loosen | Reconnect the UTP cable or re-insert the cable in the receiving card from the first cabinet where start flashing |
| 10 .One cabinet does not work | a. No power input | a. Check power input |
| b. No signal input | b. Check UTP input cable or the output of previous output UTP cable | |
| c. Receiving card is broken (For b & c, green lamps on receiving card is not flashing) | c. Replace receiving card with new one | |
| 11.One cabinet display different color with other cabinet | a. Receiving card is loaded with wrong RCG file or broken | a. Set RCG file again or replace a new one |
| b. Hub board is broken | b. Replace a hub board | |
| c. Power supply broken | c. check the power supply and change a new one | |
| 12.One module does not work | a. No power input | a. Check if the module connected with DC power |
| b .No signal input | b. Check input flat cable or the output flat cable of previous module | |
| c. Module is broken | c. Replace with new one | |
| 13.One module shows abnormal picture | Some IC are broken or not soldered well | Replace a new module |
| 14. LED is lighting constantly or fade | LED Lamp is broken | Replace a new module |
