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LED lights are widely used in almost every family due to their beneficial factors, they are energy efficiency, long lifetime, rugged, no warm-up period, not affected by temperatures, controllable, directional, environmentally friendly. Nevertheless, sometimes they may be out of work. That’s why? In this article, we will analyze the reasons of why LED lights will not work and try to avoid.

Reasons of LED light failure

Temperature too high (or too low)

When installing LEDs in enclosed lamps, check the lamps first. LEDs shall not be placed in tightly enclosed fixtures unless they are approved for use in enclosed spaces. When heat cannot be dissipated from the radiator, the lamp may fail prematurely.

Also pay attention to the surrounding environment. The hotter the room, the earlier the LED lights degenerate. Why? Because the light emitted by LEDs decreases exponentially with time and temperature.

Adequate thermal management is the key to ensure that LEDs can be used continuously in hot environments. LED lamps have ultra-low heat protection function, which can help them resist cracking due to low temperature.

Structural issue

Any problem in the structure of LED lamps - whether it's the LEDs themselves, how they are connected, or the lamps - can also be the cause of LED lamp failure. For example, if the LED itself is not made of the highest caliber, you may have encountered a problem. That's why in this case, many times you pay for what you get - more expensive LED lights usually contain higher-level LEDs that provide better light quality and efficiency.

Generally speaking, the better the materials used in LED lamps, the less likely it is to encounter any problems in the process required for LED lighting. For example, the structural problems of LEDs may lead to the bidirectional operation of current through LEDs, not just a way required by the PN junction between semiconductor materials.

As for the lamp itself, epoxy resin is usually used in the structure of LED lamp. Sometimes, this epoxy resin will start to turn yellow when heated, and then actually absorb some of the generated light, thus reducing the efficiency of the lamp. In addition, the epoxy resin may absorb moisture from the surrounding environment and transfer it to the LED, resulting in other problems.

LED driver may fail

Another possible cause of LED lamp problems may not be related to the lamp itself - it may be that the LED driver is faulty. After all, LED driver is an electronic device. As we all know, electronic devices are not perfect and will not last forever.

As we mentioned in the previous article, LED drivers are tools for managing the power flowing through LED lamps or LED lighting systems. They are necessary because LEDs operate on low-voltage DC power supplies, so something needs to be used to convert AC to DC and protect them from surges.

Therefore, in this case, a bad LED driver may cause more power to pass through the LED and eventually lead to its overheating, which may affect the service life of is or even burn it completely. Or, on the other hand, if there is not enough power to enter the LED, your light output and quality will be affected.

Another thing to remember is that the rated service time of the LED driver may be different from that of the LED lamp. You might think manufacturers are trying to keep them for the same time, but that's not the case. Although many manufacturers are striving to achieve this goal, it is now very likely to eventually run 100000 hours of rated LED lamps on LED drivers, and its service life is expected to be much lower than this. Therefore, it is important to note and ask the manufacturer for information about the life of the LED driver so that you know when it may need to be replaced.

Some reasons why an LED driver might fail include: overheating, environmental factors and component quality.

Insufficient lamp test

Ask the manufacturer about their LED lamp test procedures. Some manufacturers conduct a comprehensive test of the completed LED lamps before shipment.

For 10 days at a time, diligent manufacturers place LED lights and fixtures in specially designed rooms and test them by repeatedly turning them on and off and keeping them on for a long time.

As solid-state electronic devices, LEDs are similar to televisions or other consumer electronics: if they are really going to fail, they tend to fail in advance. By properly testing the LEDs, the manufacturer can find faults before the lamps are shipped.

Ningbo Technic is a trustworthy manufacturer and supplier of LED light, you don’t worry about these problem above if you purchase with it.

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