.P4 outdoor LED display.Cleaning of outdoor LED display screens

　　Cleaning inside the box

　　For display screens with lower protection levels, especially outdoor screens, dust in the atmosphere enters the equipment through ventilation holes, which can accelerate wear and even damage fans and other equipment. Dust can also fall on the surface of control devices inside the display screen, reducing thermal conductivity and insulation performance. When encountering humid weather, dust can absorb moisture in the air, leading to short circuits and long-term mold damage to PCB boards and electronic components, resulting in a decrease in the technical performance of the equipment, Due to a malfunction, cleaning the display screen equipment may seem simple, but it is actually an important way of maintenance and upkeep. When cleaning the dust inside the display screen, be sure to disconnect the power and operate with caution.

　　Screen surface cleaning

　　After long-term use, it is necessary to clean the dust and impurities accumulated on the surface of the LED display screen. Firstly, consider purchasing a high-quality cleaning kit. The cost of cleaning solution generally includes electrolyte, high-purity distilled water, anti-static liquid, etc., which can effectively clean dust and other stains on LED screens. Some netizens believe that clean water is also acceptable and will not affect outdoor LED displays. However, the cleaning effect of clean water is relatively poor, and after cleaning, dust will adhere again. At the same time, it should be noted that water should not be sprayed on the screen. Instead, a small amount of cleaning solution should be sprayed on the cleaning cloth and gently wiped in the same direction. Before cleaning, the power cord needs to be unplugged. Finally, use a vacuum cleaner to dry the water droplets and marks left after wet cleaning, ensuring that the display screen cover is clean and dust-free.

　　Tightening of outdoor LED display screens

　　Large scale LED display screens belong to high power consuming devices. After running for a considerable period of time, due to multiple starts, stops, and operations, the wiring terminals of the power supply part may become loose due to cold and hot conditions, and may not be firmly connected. In severe cases, they may heat up and ignite the plastic components next to them. The signal wiring terminals may also become loose due to changes in environmental temperature, and moisture erosion may cause poor contact, leading to equipment failures, Therefore, it is necessary to regularly check the tightness of the connectors in the equipment. When adjusting the fasteners, the force should be evenly and appropriately applied to ensure firmness and effectiveness.

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