The light line in my kitchen uses an electric pen to measure the electricity, why does the light not

Updated on Kitchen 2024-07-22
6 answers
  1. Anonymous users2024-01-24

    Four cases: 1. The joint shrapnel in the middle of the spiral lamp holder is low and not in contact.

    2,, the zero line post behind the spiral lamp holder is off the line.

    3. The zero line is broken, and there is no circuit.

    4. The bulb is broken.

  2. Anonymous users2024-01-23

    What is the lamphead, bayonet or screw . If the switch is broken, as long as the electric test is used, if the line bulb is fine, maybe a contact point in the screw lamp head is shortened, the bulb can not be contacted, turn off the total power supply, pick out a contact point inside, press the bulb to try it. The switch is generally connected to the live wire, and the two points are lit up with a pen, and the one is turned off.

  3. Anonymous users2024-01-22

    If there is no return route, it will be like this, there is electricity to arrive but the circuit is not connected, and it is done for reasons.

    Check whether the N line is connected and check whether the switching system is faulty.

  4. Anonymous users2024-01-21

    See if there's a problem with the light cap. Get a new one.

  5. Anonymous users2024-01-20

    Did the light bulb change...

    There is also the contact of the light port.

    There are also plus or minus two to measure.

  6. Anonymous users2024-01-19

    What is the lamp, what is the lamp head, and whether the positive and negative poles are reversed.

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