What causes leakage in electronic light boxes and what are the solutions?
Check whether the lamp pins touch the aluminum-plastic plate and whether there is a short circuit between the lamp beads. Use an electronic light box tester to test it. Please refer to the official website of Jinhongfa, which contains many technical introductions to the production of electronic light boxes and conjoined lamp beads. Download

What should we do if the advertising light box in the subway station leaks and coronas passengers?
Rescue the passengers, turn off the power to all advertising light boxes, investigate and find the reasons, compensate the passengers, find the quality reasons, and ask the product manufacturer if there are product defects or problems. Take certain responsibilities