Led Display Modules Common Faults And Solutions
Summary: LED display LED modules common faults and solutions: First
, the phenomenon: all the LED flashes. Questions: 1, poor contact. 2, some LED switch power supply has overload protection function, when the return exceeds its power when the LED strobe warning. Solution: 1, found at the re-fixed or loose plug. 2, the replacement of more powerful LED switching power supply.
Fault LED light modules and solutions
First, the phenomenon: Led display led all flash.
Question:
1, bad.
2, some LED display switching power supply has overload protection function, when the return exceeds its power when it led strobe warning.
Solution:
1, found at the re-fixed or loose plug.
2, the replacement of more powerful led display switching power supply.
Second, the phenomenon of: led display dim.
Question:
1, LED display reversed polarity.
2, LED display series is too long.
3, switching power supply and LED display voltage label inconsistencies.
4, LED light emitting chip failure.
Solution:
1, to ensure that positive and negative wiring is correct.
2, reduce the LED connections.
3, to ensure that the voltage switching power supply with LED display label consistency.
4, replacement of LED chips or modules.
Third, the phenomenon: Led display some lines of LED light does not shine.
Question:
1, plug the proper direction.
2, the power output wiring is correct.
3, the power cord in reverse.
Solution:
1, split out, re-plug the right direction.
2, to ensure that the red line then positive, the black line then negative.
3, found part of the plug against the lines reconnect.
Fourth, the phenomenon of: Led display all the LED is not lit.
Question:
1, no voltage output switching power supply.
2, switching power supply output wiring is correct.
3, LED light wiring voltage error.
Solution:
1, the test access switch power supply input.
2, power supply wiring positive and negative is correct.
3, do not directly connected with 220V power LED lamp, LED display will burst waste, you must use the same voltage switching power supply
by: hookah
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