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Frequently the following conditions can cause damage to the LED driver

Update:22 Dec 2018
Summary:

(1) The AC is connected to the DC output of the driver, […]

(1) The AC is connected to the DC output of the driver, causing the drive to fail;
(2) The AC is connected to the input or output of the DC/DC driver, causing the drive to fail;
(3) The constant current output terminal is connected with the modulating light, which causes the driver to fail;
(4) The phase line is connected to the ground line, resulting in no output of the driver and charging of the outer casing;

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