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How to maintain lamps?
First of all, the owner needs to replace the aging lamp tube in time according to the light source parameters provided by the sign. when it is found that the lamp tube is red, the lamp tube is black or has black shadows, and the lamp tube does not light up, the lamp tube should be replaced in time to prevent unsafe phenomena such as burning the ballast. when cleaning, try to be careful not to change the structure of the lamp, nor do you want to casually...
