![]() ![]() If after a visual check you did not find any visible short circuits, you may next want to check for invisible short circuits. 6) Check for invisible signs of short circuits Short circuits of this type are especially more likely when working with multi-channel strip lights such as 5-color LED strips which have 6 connection points. Perform a quick visual check of your entire LED strip connections and ensure that these wires are sufficiently separated. 5) Check for any visible signs of short circuitsĮspecially if you are soldering your own wires instead of using solderless accessories, you may have inadvertently created a short circuit by allowing the positive and negative wires to come in contact. If the LED strip's positive and negative copper pads do not have a voltage differential, power is not being fed to the LED strip due to a malfunction before the power can even reach the LED strip section. Start at the power supply's DC output and make your way to the LED strip. If you have a multimeter, test each point along the circuit for a voltage differential between the positive and negative (ground) wires / terminals. Try tightening screws on DC adapters, and re-inserting LED strips into solderless connectors, which are common contact failure points. Make sure all of your connectors and wires are in place and have not fallen out. 120V/240V) wall outlet! 4) Check for any visible loose connections 12V/24V) LED strip directly to a mains voltage (e.g. This should go without saying, but never connect a low voltage DC (e.g. Note that the power supply must be powered up for this test. If the LED strip works, that means you have a problem with the dimmer or controller, or the connection leading up to or from those accessories. Remove any optional dimmers and controllers from the circuit, and determine if you can get the LED strip to illuminate without the extra accessories. 3) Check and isolate other accessories on the same circuit. If it shows a voltage less than its rated voltage, you may have a malfunctioning power supply. 2) Confirm that your power supply is working correctly.Ī quick test using a multimeter to verify the voltage across the two output wires, or voltage between the DC plug's inner pin and outer barrel should indicate a voltage differential. Then, check the LED strip itself, which will have its input voltage marked at the LED strip connection points. Check the back of the power supply unit, which will have the output voltage marked. If, for example, your power supply is 12V DC, it will not work with a 24V LED strip. To troubleshoot, try the following steps: 1) Confirm that your power supply's voltage and current rating are compatible with your LED strip. ![]() ![]() You've connected the power supply to the LED strip, turned the switch on, and.nothing. Use caution and seek the advice of a qualified individual if you are not sure how to perform these tests safely. Note that in some troubleshooting steps we suggest below, you will need to have the power supply plugged in and powered up to complete the test. However, whenever possible, we strongly recommend that you turn off the power to, or unplug, the power supply prior to testing or adjusting any LED strips or accessories. CAUTION: Low voltage DC electronics are generally considered safe and pose a relatively low shock hazard. Through our many years of working with LED strips, we've put together some of the most common causes of LED strip problems and what you can do to solve them. It ensures better protection and efficiency of your LED strips.LED strips come in a very wide variety of sizes, densities and color quality, but what they all have in common is that at some point, you may run into some difficulty getting them to work. While mapping your readings, always round up the values to a higher closest rating. It ensures safety and prevents possible problems in the future. It’s best to take professional help while selecting the correct gauge. Now that you know the requirements, you can pick the right gauge from the chart. Now, you need to measure the distance between your driver and the LED strips. Find the Distance Between Lights and Driver So, you can multiply that with the total length to find the rated power.Įxample: LD-2835L-24-120S08-09P0-W consumes 9.6 watts per meter. Usually, the wattage is mentioned on the strip label. Here are some simple steps to determine the right wire gauge.įirst, find out the total wattage of your LED strip. ![]() To deliver current with less than 3% voltage drop The gauge chart helps in selecting the right thickness for the LED strip’s power consumption. While deciding the right cable thickness, we can use a gauge chart. If you have long cables, always use thick copper cables to minimize voltage losses. ![]()
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