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| led display LED light module failure and resolve |
Source:MaChen Yushengyuan New energy Co., Ltd. Time:2012-05-03 15:52:12 |
led display LED light module failure and resolve
Phenomenon: all the LED is blinking
Question: poor contact
Workaround: loose at re-fixed or patch.
Phenomenon: the LED dim
QUESTION: switching power supply and led voltage label inconsistent
Solution: Make sure the consistency of the switching power supply and LED voltage label
Phenomenon: the part of the line led light does not shine
Question: 1. Patch the correct direction
Two. Power output wiring is correct
3. Plug the power cord anti then reversed
Solution: split out, and re-plug in the correct direction
Make sure the red wire to the cathode, the black wire is connected with negative
Find out part of the inserted anti-line and connect it again.
Phenomenon: that all LEDs are lit
Question: 1. Voltage output switching power supply
(2) switching power supply output wiring is correct
Power wiring, the negative is correct
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