The light controlled night light is not on, how to fix it? Which is measured first

LED is generally not a bad one, look for you to sell lights there to repair it, we can't repair it, no accessories.

Check whether the lamp is broken before cutting off the power supply to prevent electric shock, and then remove the lampshade, check whether the lamp joint is loose, turn on the lamp after tightening, if it is on, it means that it is caused by poor contact, if the sign is still not bright, you can check whether the lamp joint is black and dark, if there is, you can basically determine that it is a problem with the lamp, just remove the old lamp and replace it with a new lamp. >>>More

Use an electric pen to see if there is a zero line of fire, (the kind of electric pen with a display).

The night light I bought at NVC feels good, and the quality of the brand is reliable, but the price is a little more expensive.

It should be caused by the sensitivity of your night light should be installed very concealed, try to make it face the light source.