LED lights do not light, mainly due to two reasons, one is the problem of the light source, and the other is the power supply
The problem. At present, the light source of the LED lamp is composed of LED lamp beads. First of all, the power supply of the home is disconnected and turned on.
Shade, if the amount of multimeter is LED light source is broken (lamp beads are generally connected in series), if it is, then look
Look at the style of the light source, go to Taobao to buy a same light source can be replaced, there is a called 1000 Han, accessories very complete, pay attention to the voltage range of the light source at the time of purchase, to buy the same voltage light
source.
If you use a multimeter to detect the light source is no problem, then see if it is a problem with the power supply, general LED days
Lanterns are using external power supply, then directly buy a power supply can be replaced, and some LED lamp factory
The power supply used by the home is not good, and the power supply is the one that is most likely to cause problems.