Why does the backlight in the light switch work every other time?
There is a backlit switch. The backlight began to work through time. Sometimes it burns, sometimes not (with the lights off). At the slightest touch, the switch can also go out. What could it be? How to fix?
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Hello! Most likely the backlight wiring is moving away, poor contact. Turn off the light in the shield (so that there is no voltage on the switch), then disassemble the switch and check the connection of the backlight wires. Before disassembling, make sure that there is definitely no voltage in the incoming phase using an indicator screwdriver. You never know, suddenly you have a light connected from sockets or something.