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I think it's the water vapor on the hood that flows into the switch, causing the power to connect, so the light will come on. When the switch is connected to electricity, it will generate heat, causing the water vapor to evaporate, so the light will go out.
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It may be that it has not been used for a long time, and there are more oil stains in the light button (pure oil does not conduct electricity, but the oil of the range hood is not easy to say, it may be that the oil stains cause a short circuit in the switch, which makes the bulb light up), you can wait for the daytime, take the button apart and see.
For safety reasons, remember to unplug the power of the range hood first.
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My first thought was poor contact, =
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Have you ever seen a ghost in OFFICE? Do you remember the printer in it? It's the part where Karen Mok works the night shift by herself, hehe
It may be that there is a problem with the line connection, you can find a professional to check it.
Do you want to tear it down? Take off the top panels on both sides of the lamp and press down from top to bottom with your hand on the lamp. >>>More
No, it's okay if the mosquito flapps its wings so often.
It's okay, you don't know if someone sprayed it.
It depends on what kind of lamp, incandescent lamp, or energy-saving lamp, if it is an incandescent lamp, the tungsten filament in the bulb is burned, if it is an energy-saving lamp, the circuit board inside is aging, even the electricity is burned, the silver powder inside can be toxic, pay attention.