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This is also the case with the chandelier in my living room, the living room light has not been lit after pressing the switch, and the light in the dining room next to it has been switched on and off a few times, and the light in the living room is on. It's not a line problem.
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Call an electrician to check it, maybe there is a problem with the switch in the room, there may be a short circuit or something, if these two switches are fine, then it must be a wiring problem.
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The wiring problem is probably that the wires are connected in series.
Either the light is broken, or the switch is broken; Disassemble it first and connect it directly with a wire, if the switch is broken, change the switch yourself.
It is recommended to check the line first, and there is a possibility that if it is dual control, of course, both sides can be controlled.
Are the switches and sockets one and the same? If it is integrated, the internal contact of the switch line is poor. >>>More
There is a problem with the wires inside, the wires inside may be strung in some places, and there may be reasons why the tape is not wrapped well in the knots, find an electrician to check it
The sectionalizer is damaged, installed in the lamp, and the problem can be solved by replacing it, generally more than ten dollars.