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Source:problem Published time:2016-03-10
1, LED run for a dark, flowing through the switching power supply leads to excessive current caused by the sum of the current leads can check exceeds the switching power supply output current value. If so, replace the power supply leads.
2, just power LED is very bright, after some time suddenly does not shine or brightness decay, you can check whether the switching power supply is a 12V LED 24V became the misuse.
3. If not, check whether the input voltage is 220V switching power supply if the LED brightness is high or low: check the switching power supply input voltage and output voltage is normal.
Such as ultra-high voltage will cause LED burn; if the voltage is low, causes the LED does not light or brightness decay. Such as user location voltage is unstable, it can recommend that users install the regulator.
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