Why 3 lamps and a hood in a bathroom do not work?
So, in my apartment there is a double switch with a diode, one key is responsible for the light in the hallway, the second for the bathroom, in the bathroom there are 3 lamps and an extractor fan. The problem is this: in the hallway the light turns on, in the bathroom the light does not turn on and the hood does not turn on, what could be?
Hello, as I understand the hood is powered from the same line as the lamp? And by "diode" do you mean backlight?
First you need to check the wires in the switch, if the core that goes to the bathroom is normally clamped. If everything is fine, we check whether the switch works, that is, turn on the key and watch with an indicator screwdriver or with a multimeter whether the voltage appears on the "output" terminal of the switch. If it does not appear, replace the switch (or apply voltage to the wire “directly” bypassing the switch button.
If the switch is working, then check how things are with the lamps and the hood, you need to check whether their lampholders have both PHASE and ZERO when the switch is on. If something is missing, look for the problem in the junction boxes.
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