Knowledge

Home/Knowledge/Details

Troubleshooting common LED power supply issues

>> Always ensure correct wiring

Sometimes, the strip light not working, and others troubleshooting. First, we need to check the wiring.

Make sure your input from AC220V is right connected to “N” and “L”. The strip light red color cables are always is “+”.This need connect to the power supply “+v”.And strip light “-” cable connects to the power supply “-v”.


>>Determine the specifications of your LED strips and power supply

The DC12V LED strips need DC12V output LED driver. The DC24V LED strips need DC24V output LED driver.DC12V driver can not power DC24V strip light. DC24V driver can damage DC12V strip light. So don’t use the unmatched power supply.


>> Set LED power supply to the proper input voltage setting

Some LED power supplies can fit both 110VAC and 220VAC input. But there is an internal switch to set the input switch to send the input voltage between 110VAD or 220VAC.


>>Make sure the LED driver is not damage

Some drivers use a long time then damage because of overheating or over-wattage or other factories. We can use a multi-meter to check the input of the driver output of the driver.