落地灯箱广告牌专用灯管

The advertising light box industry will all encounter this problem: What are the reasons why the light box suddenly stops lighting? How to maintain tests? However, lab light boxes are generally large in size, and maintenance requires a lot of manpower and material resources. In fact, these problems are also very simple. It is not necessary to seek help from the manufacturer every time you have a problem. Generally, manufacturers will not provide door-to-door service every time.
Here, Tianlang Logo will introduce to you what we should do when the light box suddenly does not light up.
The first situation is that all the light boxes do not light up; first of all, think back to why the light box suddenly does not light up. Is it because you are directly connected to a 220V voltage power supply? Or did you get the wrong power supply?
Then comes the self-test. First check whether the direct connection between the power supply and the light box is loose or disconnected. Then check the current ampere of the power supply and see if the power supply is burned out? Finally, check whether there is a short circuit in the LED light source of the lab light box.
Finally, consult the manufacturer. Generally, regular manufacturers will have a certain period of warranty for the light source. Report the situation to the manufacturer truthfully, and the manufacturer will make the most reasonable decision based on your situation. of. Generally, most of the problems that do not light up are caused by direct contact with the 220V power supply, causing the power supply to burn out. There is almost no problem with the light box itself.
The second situation is that the light box part does not light up. When encountering this situation, you must first check whether there is a loose circuit in the single power supply control part, or the power supply operation indicator light is abnormal. In addition, you can also use troubleshooting There is no way to replace the power supply for testing. If the power supply is damaged, just replace it.

Features of the light guide plate: it can be cut to the required size or spliced ​​together for use. The process is simple and easy to make; the light conversion rate is high (more than 30% higher than the traditional plate), and the light Uniform and long life, it can be used normally indoors for more than 8 years. It is safe, environmentally friendly, durable and reliable. It can be used indoors and outdoors. It has high luminous efficiency and low power consumption under the same area of ​​​​luminous brightness. It can be made into special shapes, such as circles and ellipses. , arc, triangle, etc.; under the same brightness, thinner products can be used to save costs; any light source, point line light source can be used for surface light source conversion, the light source includes LEDCCFL (cold cathode lamp), fluorescent tube wait. Brightness: Change the linear light source to a surface light source, the illumination is more uniform, softer, and more comfortable for vision; Easy to install: Quick-open design makes it easier and faster to replace the lamp, and you can replace it yourself within five minutes; Patented light guide Technical design: Its principle and effect are comparable to the LCD display of a laptop computer.