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LED Module Malfunction and Solution

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 voltage of switching power supply is un -consistent with LED voltage tag.

Solution: make sure the voltage of switching power supply is consistent with LED. voltage tag.¡¡

3. Phenomenon: partial LED s do not work.

Problem:

A. contact direction correct or not.

B. power output wiring correct or not.

C. power wire anti-inserted or connected 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 LED s 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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Dakco LED display Tel:0086-755-29960601 Fax:0086-755-29106150 Copyright @ Dakco Industrial Holdings Limited.