French customers visit Ruiguan to learn about LED display screens and showcase machine maintenance techniques (B)
May .21.2026
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On the first day of training, Mr. Zhang, the after-sales technical manager of Ruiguan, took out a P3 outdoor module of an LED display screen machine that had dead lights during aging testing.
We compressed the theoretical course on LED display screen machines to half a day, and the remaining four and a half days were all practiced on stage. ”Mr. Zhang introduced.
During the training period, the French team, under the guidance of engineers, completed a total of:
52 complete LED display screen machine module disassembly and wiring tests;
Diagnosis and repair of 17 LED display screen machine fault modules, including various typical problems such as power board short circuit, IC chip virtual soldering, and signal cable damage;
A 3-hour specialized maintenance drill for COB LED display screen machines, as the customer's project involves a nearly 50 square meter COB LED display screen machine with a spacing of only 1.5 millimeters, requiring zero error in maintenance;
A 'Extreme Challenge': In a test box simulating a high salt spray environment along the coast, the customer personally disassembled and resealed an LED display screen machine box.
The test results showed that the protection level of the LED display screen machine box repaired by them still reached IP65 standard.
I used to only know that Ruiguan's LED display screen machines shipped quickly, but now I know that their training is also real.
”Marc Dupont densely wrote down the parameters and operating points of the LED display screen machine on his notebook.
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