Outdoor LED large screens are also like traditional electronic products. In the process of use, not only the method needs to be paid attention to, but also the maintenance of the large screen should be diligent. If there is a problem, please contact a professional in time to overhaul your equipment, so as to keep the display effect bright and prolong the life of the outdoor LED large screen. 1. Keep the outdoor LED large screen use environment as dry as possible. When your screen is in a high humidity environment for a long time, moisture will enter your large LED screen. At this time, powering on the large outdoor LED screen with high humidity will cause corrosion of parts and cause permanent damage. 2. We recommend that you add passive protection and active protection to your screen, try to keep the screen away from corrosive liquids, hard and heavy objects, etc. At the same time, when cleaning the screen, try to be gentle and wipe gently. Avoid all possible damages. 3. Clean your screen regularly. The outdoor large screen is exposed to the outdoor environment for a long time, and it experiences wind, sun, dust, etc. After a period of time, the screen will be covered with dust, and some small dirty things will be blown into the box by the wind, so the screen needs to be cleaned regularly. To prevent dust from covering the box for a long time, it will affect the function and viewing effect of the large screen. It can be hedged with cleaning solution first, then rinsed with clean water and air-dried before use. 4. The large LED screen is a display hardware with precise workmanship. It requires a stable power supply and good grounding protection. Special attention should be paid to the fact that under harsh natural conditions, especially in strong lightning weather, do not use large LED screens. 5. Water, iron powder and other metal objects that are easy to conduct electricity are strictly prohibited from entering the screen. Outdoor LED screens should be placed in a low-dust environment as much as possible. Large dust will affect the display effect, and too much dust will damage the circuit. If water enters due to various reasons, please cut off the power immediately and contact the maintenance personnel, and the display board in the screen can be used after drying. 6. The switching sequence of the outdoor LED large screen also needs attention. When it is turned on, first turn on the control computer to make it work normally, and then turn on the outdoor LED screen; when it is off, first turn off the outdoor LED screen, and then turn off the computer. 7. It is recommended that the outdoor LED large screen rest for more than 2 hours a day, and the outdoor LED large screen should be used at least once a week during the rainy season. Generally, turn on the screen at least once a month, and it is advisable to light it for more than 2 hours. 8. The outdoor LED large screen needs to be regularly checked whether it is working normally and whether the circuit is damaged. If it does not work, it should be replaced in time. If the circuit is damaged, it should be repaired or replaced in time. 9. Do not stay in full-white, full-red, full-green, full-blue and other full-brightness screens for a long time during playback, so as not to cause excessive current and overheating of the power cord, resulting in damage to the LED light. Seriously affect the service life of the large screen. Do not disassemble or splice the screen without the guidance of professionals. 10. If your large screen needs to be connected to the host, then the host computer and other related equipment should be placed in an air-conditioned, dusty room to ensure the ventilation and heat dissipation of the computer and stable work. 11. Non-professionals are prohibited from touching the internal circuit of the outdoor LED large screen to avoid electric shock or damage to the circuit; if there is a problem, please contact a professional to overhaul it. .