LED light is still a weak light after the switch is closed. What's the matter?
Check whether the switch is connected to the FireWire, if it is zero line, the LED light will be slightly bright, and the discomfort is to check whether the LED lights have any wires arranged and arranged on other wires. If the fire is left behind, it still turns on, and that may be caused by the induced electricity.
LED has normal light after power failure. The solution is...1, with a grounding wire, you can understand?2, test pencil, measure will be changed to FireWire, FireWire disconnection switch circuit3, in the case of unprofessional, use method 1