2015-2023 LEDFUL

LED Module Malfunction And Solution

Publish Time : Apr 14 2022

1. Phenomenon: the whole display is flickering.
Problem: signal poor connection.  
Solution: re-fix or re-connect signal cable.

2. Phenomenon: dusky LED

Problem: The volage of switching power supply is unconsistent with LED voltage tag. 
Solution: make sure the volage of swtiching power supply is consistent with LED. voltage tag.¡¡

3. Phenomenon: partial LEDs do not work.

Problem:
A. contact direction correct or not.
B. power output wiring correct or not. 
C. power wire anti-inserted or connectted inversely.
Solution:
A. re-connect in a correct way.
B. ensure the red wire connect the positive pole,black wire connect the negative pole.
C. check partial the wrong connection , re-connect.

4. Phenomenon: all LEDs do not work

Problem:
A. no output of the switching power supply.
B. wrong power connection.
solution: 
A. connect the power switch input and test.
B. check the positive and negative pole of the power supply whether it is right or not.


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2015-2023 LEDFUL
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