Ⅰ、Check LED display lines usually,find the aging lines or the lines are gnawed by the mouses ,need to change in time, don’t touch the switch with wet hand, to avoid electric leakage or electric shock accidents.

Ⅱ、The steps of turn on and off LED display：

ⅰ、 Turn on the screen：turn on the video source first, after the signal is normal, then turn on the power supply of LED screen.

ⅱ、Turn off the screen: turn off the screen power supply, then turn off the video source. (If you do not turn off the display before turn off the computer, it will cause bright spots on the screen and burn down the lamp, which will burn the lamp tube and chips,causing serious consequences.)

Ⅲ、Pay attention to moisture-proof and Dehumidification 

ⅰ、We could use air conditioner to dehumidify the LED screen, or put drying agent such methods, to maintain the dryness of the screen and environment and protect the display screen from damp.

ⅱ、It is not advisable to put flower and grass around the screen. Some customers would put some flowers and grass around the screen for beautify , but it will release moisture due to the evaporation, and it will need constantly water, easily cause the LED damage, the LED display board could not be in use under this circumstance for a long time.

ⅲ、Turn on the display screen at least two times  every week and keep it on for more than two hours(especially plum rain season ) , otherwise it is long time out of opening screen, it will appear death lamp when reopen the display screen.

Ⅳ、It is recommended that the LED display screen has a daily rest time more than 2 hours , it is not recommended to open the outdoor LED display screen at  noon  in summer.

Ⅴ、Prohibit conductive material such as water, iron powder, scrap iron come into LED display screen.

Ⅵ、The screen display video content shouldn’t be in completely white and bright state for a long time, to avoid LED light tube damaged due to the electricity is too strong, it will affect the display screen life ,or even cause potential safety hazard.

Ⅶ、Cleaning:  when cleaning the indoor LED display screen, please clean it softly with a soft brush. Prohibit using any liquid material to clean.