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New Sunshine LED Lighting Inc

Specializing in the production of LED Fishing Light, Working lights, LED Corn Light,LED grow lights and other lighting manufacturers,Our products include LED corn bulbs, E26/27 and E39/40 base retrofit kits, smart LED lighting, temporary site lighting

Common fault repair methods of led corn light bulbs that do not light up

27/09/2022 by 内斯勒
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Repair method of led light not bright

  1. First of all, we can first check whether the led corn light bulb is not working properly due to the power supply components, causing the bulb to not light up. If so, you can check the power supply line. Generally, the power supply is normal, and the indicator light above the led will light up the bulb.
  2. Next, in addition to the problem of the power supply, if it is not bright, we also need to take a look at the positive and negative pins of the led corn light bulb. Whether the led bulb is connected correctly during operation. If the bulb doesn’t light due to mishandling, re-soldering the led bulb usually solves it.

3.Check the current of the led bulb

Whether the current at both ends of the led bulb exceeds the load of the led bulb If so, the working current of the bulb can easily cause the led bulb not to light up.

The solution is to choose a suitable constant current power supply and try not to buy a cheap power supply.


  1. Quality problems of led lamp beads themselves

It will also cause LEDs because some, the lamp beads are not lit, and the LED lamp bead chip leaks, and it is easy to cause the LED lamp beads to not light up after a period of use.

The solution is to prevent the lamp beads from being stored in a humid environment for a long time, and prevent the lamp beads from storing LEDs for a long time.

LEDs may also cause short circuits in bulbs


The LED light bulb does not light up, it may be due to the existence of virtual welding in the LED light bulb production process of some small companies, and the open circuit caused by the thermal expansion and cold shrinkage of the LED light bulb extruding the gold wire.

New Sunshine knows a lot about the common troubleshooting methods of LED corn light bulbs that do not light up. You don’t have to scold the quality rubbish of the bulbs when the lights don’t come on. In this case, you can observe the reason why the light is not on, find the correct reason for the correct maintenance. As the saying goes, only by finding the cause can you prescribe the right remedy.

In addition, you can buy quality-assured led corn light bulbs from New Sunshine, with high quality and low price.

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