In order to improve the working life and maintenance of the LED display, customers should pay attention to the following aspects:

1. The power supply must be stable and the ground protection should be good;

2. Do not use the LED display in a bad weather; (for example storm, thunder, etc.)

3. Water flooding and conductive metal object (such as iron powder) into the LED display is strictly prohibited;

4. If there is a case of water flooding into the screen, please cut off the power immediately and stop using it until the interior display boards are dry;

5. The sequence of switching on/off the LED display:

A: First start the control PC, then switch on the LED display;

B: Switch off the LED display first, then shut down the control PC.

6. Do not play incessantly a content of full white, full red, full green and full blue, which will exceed the rated current, fever the power cable, damage LED lamp and finally affect the working life of the LED display;

7. It is suggested that the daily working time of the LED display should not exceed 12 hours;

8. Periodically check the cooling fans to see if they are working correctly, otherwise change it in time; and repaire or replace the damaged wires if there are any;

9. Check to see if the screen is leaking in a rainy day. Amending it in time if any leakage found.