What are the possible reasons why the LED flexible light strip does not light up?- Ningbo Fenghua Lamp Co.,Ltd.

1. The packaging protection of the LED flexible light strip is not perfect, causing the lamp beads to be damaged by impact during transportation.

2. The solder joints of the LED flexible light strip have false welding, and the vibration during transportation causes the solder joints to fall off and cause the light strip to not light up.

3. The amount of solder in the LED flexible light strip is small, and the solder joints are easy to fall off

4. The soldering quality of the LED flexible light strip is not good, and the solder joints of the LED flexible light strip are prone to brittle cracks and falling off during the bending process

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5. The bending angle of the LED flexible light strip is too large when it is installed, causing the solder joints of the LED flexible light strip to separate from the copper foil, resulting in no light

6. When the LED flexible light strip is installed, the product is excessively squeezed, resulting in damage to the chip of the LED flexible light strip or deformation of the solder joints and falling off.

7. The solder resistance layer of the circuit board of the LED flexible lamp belt is too thick, and the solder and the circuit board cannot be completely fused together during welding, which is also a phenomenon of virtual soldering.

8. The LED flexible light strip cannot be twisted during installation. If it is twisted, the solder joints of the LED flexible light strip will fall off and cause no light.

9. Static electricity burns out, because the LED is an electrostatic sensitive component, if no electrostatic protection measures are taken, it will cause the chip to burn out.