-
Remove the lamp wire of switch 3 and put it on the binding post of switch 1 or 2, if the lamp can be used normally, it is a switch failure. After changing the position, the fault is not solved, which is a problem with the lamp.
-
There is no problem with the main line.
Try to change the lamp, and if it still flashes, fix the two buckles.
That's a few LED lamp beads burned out, and there are two reasons: >>>More
If it is with a splitter, you check whether the splitter is broken. Drop the line and try it to find out. If it is controlled by independent entries. >>>More
At the output end of the ballast, you use a multimeter to measure whether there is a short circuit
There is a problem with the bathroom lamp, and the zero line of the fire wire is connected wrong, open the junction box to see and separate the zero line.
Is there a wrong wiring, the high-current equipment is turned on, causing the lighting line to be overloaded, and whether the heater is connected to the lighting line?