Led ceiling lamp broken replacement method
Release date: 2017-10-23 Source: Foreign station sharing: 
The ceiling lamp is a kind of luminaire. As the name suggests, it is called a ceiling lamp because the upper part of the luminaire is relatively flat and the bottom is completely attached to the roof when it is installed. The light source has ordinary white light bulbs, fluorescent lamps, high-intensity gas discharge lamps, tungsten halogen lamps, LEDs, and the like. So before we look at how the led ceiling lamp is broken, let's look at the cause of the bad LED ceiling lamp.
LED ceiling lights are not bright, mainly for two reasons, one is the problem of the light source, and the other is the problem of the power supply. At present, the light source of the LED ceiling lamp is composed of LED lamp beads. First, the power supply of the home is disconnected, the cover is opened, and whether the LED light source is broken by the multimeter (the lamp beads are generally connected in series), and if so, then Look at the style of the light source, go to Taobao and buy a light source to replace it.
If you use a multimeter to detect the light source is no problem, then see if it is a power supply problem, the general LED ceiling lamp is an external power supply method, then directly buy a power supply can be replaced, some LED ceiling lamp manufacturers use the power supply is not Well, power is one of the most problematic parts. The following is how the LED ceiling lamp is broken and how to change it.
1, then after the led ceiling lamp is broken, how to change it, first cut off the power supply before the transformation (note that the fire line and the zero line should be cut off), to ensure that there is no electricity on the ceiling lamp, so as to avoid the risk of electric shock. First take down the lampshade of the ceiling lamp, cut off the live and ground wires, remove all the lamp legs (card holders) and the ballast inside, leaving only the bare metal chassis.
2, then the magnetic beads are installed on the LED light board and the driving power supply, and then sucked on the empty ceiling lamp chassis, connected to the fire line and ground wire, installed the ceiling lamp cover, the great work will be completed.
3. When we put the light on the gusset, the most important step is to take the test line and connect it to the light. Remember that the connection must be correct. After reading the LED ceiling lamp, how to change it, the following small series lists several issues to pay attention to when choosing a ceiling lamp.
Label: led ceiling lamp is broken and replacement method
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