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Problems caused by improper LED power supply

Update:19 Jan 2019
Summary:

01. Check if the power supply is working properly, and […]

01. Check if the power supply is working properly, and the indicator light is not lit. If it is not lit, please check if the power is connected.

02. Check whether the power cord of the lamp bead is connected to the positive and negative poles of the power supply. Is there any inversion? If any of the above problems exist, please connect them correctly.

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