1.Is there any interference at the site? Is there proper grounding?
Test in a different environment. If interference disappears, the customer must implement anti-interference measures on-site or ground the equipment.
2.EDP display cables have poor interference resistance.
Conductive fabric + Acetate adhesive tape
3.The screen settings are incorrect.
Refresh Screen Thumb
4.High-voltage strip issue
Replace the high-voltage strip
5.LCD screen issues
Replace LCD screen
