1 year ago. My voltage detector indicates power right to the last bulb and the next plugged into it works. You will need some tools that most people who tinker with electricity will have. The hard part is finding the bulb that is burnt out and most people do this by trial and error. In each case, one leg of the LED had broken off (seems like a sucky material design mistake.) procedure that should fix most remote issues you have! For me, no-blue-glow correlated with LED's that were bad. Pull out the first light that is marked with tape from the light fixture. Then check the wire that goes from the first light to second light. In this article you will learn the root causes of LED flickering and how you can fix this effect. Another factor to consider is the current limit of an LED. There is of course a limit. Soldering the Wires Directly to the Strip Choose a well-ventilated area to do the soldering. 8. A typical string uses 3 wires and they're all necessary (the hot wire that carries the 120v to the next series circuit and socket at the end of the string, one that daisy chains the bulbs for the series circuit and the return or neutral wire). I am working with a 70 light string which consists of two parallel circuits that have 35 lights each in series. You can drag the tab up and down on the RGB sliders to change the individual RGB values instead. 5MM (or rice) lights are small but shine brightly at a wide angle. Let me emphasize the words 'faint' and 'tiny' again. Note! But now, thanks to long-lasting LED lights, you can forget what it's like to change a bulb. At this point I cut the wires going into the faulty LED, put on my heat shrink tube (2 tubes), soldered the wires, and shrunk the tube. STEP 2. I did this to prove a concept. Remember to replace bulbs with the same voltage rating, 3.5v for strings with multiples of 35 lights and 2.5v for multiples of 50. OR does the string of leds and their resistors self rectify the ac line current when the string is working, but when open the ac is detectable? Grasp the LED above the plastic covering and pull it until it releases from the fixture. If you do not match the voltage properly, it will change the color of the entire string of lights. A string of lights typically has two parallel circuits and the power is carried through from one end to the other. I thought leds were direct current devices. What if you could find the problem LED and then repair the string. They Come In All Different Shapes And Sizes You can get different LED Christmas lights for each part of your house. It depends upon how you connected the non-polarized plug. Drag the tab on the color wheel to change the hue and saturation. The tools needed are: For example, LED strip does not light up … Where do these wires connect? This is assuming that the first half of the light string is not working. Originally an LED could light up in only one color, but modern variants can display up to six colors with shades in between. Once the old bulb is out, place your replacement bulb carefully in the socket and attach it. There's an easy way to fix your LED Christmas lights and save money. As for snipping out a third wire... don't. Question Now, examine in a darkened room or dark shade. Approximately 30ft are good and bright then about 10ft are dim and then the other 20ft are good again.All the bulbs are working and are very consistent in brightness including the ones that are dimmer.Any ideas on fixing them, would like to fix instead of replacing the whole thing.Thank you, 6 years ago They're lower wattage than mini lights which are lower wattage than C7 and C9 incandescent bulbs which get hot to the touch. Put a small sticker on the affected bulbs to make it easier to find them. Multicolored lights are usually pretty standard, with only a few choices for colors. But don't be too hasty. The fist step is to find the LED that is no longer working. As soon as you find a wire between the lights that no longer has voltage detected the light prior is likely the light that is fault. How to FIX an LED Strip Lighting Controller that Outputs Wrong colour! There are typically two different types of LED bulbs that are used for Christmas lights, and they operate on different voltage levels. Good point. Make sure your strips are plugged in the correct way. Christmas decorations are colorful, twinkling and festive. If you do follow these instructions then you take full responsibility for getting electrocuted - which as mentioned previously can kill you - or for any other risks associated with the activity outlined in this set of instructions. Thoughts?? Let me emphasize the words 'faint' and 'tiny' again. Let me illuminate the solution. However, taking one light out should not increase the current enough to damage the remaining LED's in same circuit. Sometimes a dimmer switch is involved, other times the flickering happens due to other technical reasons. It's these kinds of activities that give scouts a heads up in the adult world which some of them are about to enter. LED's do not like a lot of current so besides the LED there is also a current limiting resistor in each light. So using a "light fixer" for the original mini lights, remove the bulb from the socket and touch the leads to the light tester. LED, Light Emitting Diode as opposed to incandescent mini lights. Although the same troubleshooting method can be used for either LED or mini incandescent, since they use series circuits. This is what gives the appearance of colorful lights like purple led light bulbs, sharpie light bulbs, and pink led lights for car. What is going wrong? In addition, bi-color LEDs utilize inverse parallel wiring, which is when one of the wires is forward and one is backward. The socket connections are at different heights and the LED leads have been cut to different lengths. In most cases, you'll need to remove and repair the light itself, since the fact that the light illuminates indicates that problem doesn't involve your electrical system or wiring. With the polarities right, we can turn the lights on. Max of 16 feet per driver: Light Is a Different Color at the End of the Strip (Hardwire) Crossed wires: Check for correct wiring. Pick which kind of LED you will need. Outdoor lights can end up with water in the outer globe! While other components will all be helping accent your case, LED strips are going to be … Again, use extra care so that you do not crack or break the socket. 1 year ago, 5 years ago It does this by adding the three different colors together. The following is a four step (really three!) Just to make sure test for voltage between the next set of lights just to make sure. LED lights are less expensive to run and last longer than incandescent lights. It will take a bit of studying of the string and its plug if it is not a polarized plug. This will correct load problems and most likely fix the flicker of remaining LEDs. 1 year ago, We have 40,000+ LEDs in our Christmas display. If you don't have a multimeter to use, a simple coin cell battery holder with leads will let you know if your LED lights are still working. The following involves working with electricity. Get a Small Screwdriver or Similar Tool. This is called the RGB Color Model. If it does not light, reverse the leads and try again. It doesn't matter if it or the section in question lights or not. There should be voltage detected at the live wire going into the first light. I am looking for a new conclusion. Unplug the light strand. Tip STEP 1. The non working LED will obviously be in the string half that is not working. Hello, I ve used a led strip behind my TVs floating wall; however, certain leds are lighting a different color than the rest. If you burn down your house because you did not insulate your repair properly this is your fault. Blue, green or clear lights use 3.2 volts, while other colors will use 3.0 volts. Heat Shrink Tube Kate McFarlin is a licensed insurance agent with extensive experience in covering topics related to marketing, small business, personal finance and home improvement. The repair options for a pool light that comes on but doesn't change colors depend on the source of the problem. I think so, but, check it out and comment. Select the item you wish to change LED settings on. 11 months ago, I have a 60ft string of white LED Christmas lights and a small section of the lights are dimmer than the others. If it lights good. G12 bulbs are raspberry shaped. We rarely change any other colors, with white, yellow, and red being the least changed colors, Question If you find a burned out light, you don't have to replace the whole strand. A few other similar types of LED lights are bi-color and tricolor models. Wire Strippers. When you say LED, are you referring to the newest strings of lights out there, or just the lower wattage mini lights that have been available for a long time? Keep checking for voltage between the lights. Inside a bi-color LED light, there are two light-emitting dies, including three leads and a common cathode or anode. These lights are available in multicolored, one color or white. This, combined with the tinned steel (!!) 5 years ago It is not part of the instructions. Yet you are successfully using an ac detector to find the open led. Finish replacing the bulbs and test your work. Did you make this project? This proved I found the faulty LED. I then unplugged the lights and began the repair. The correct solution is to reverse the socket. You don’t have to do anything else; cutting at the cut-points will close the LED tape circuit automatically. 1. LED bulbs and headlights can flicker in many situations. Replace the LED light bulb. (Onboard LED on the motherboard or component) Select the individual LED/component. While they appear in many modern tech devices, LED lights actually date back more than 50 years. Bypassing any more that two lights in the same series circuit will likely increase the current enough to put the remaining LED lights in jeopardy which will definitely destroy the entire half of the light string. The second and third light in the string remain connected and in tact but the first light, where the input power enters the string, was severed as was the female outlet used to connect adjoining lights. Try to find the neutal line that only attaches to the last light in the string segment and make sure its plug prong goes in the neutral side of the outlet receptacle. By combining the primary colors (red, green, and blue) in a multi-chip LED, a lighting fixture, or any other LED device, and controlling each color’s intensities, an LED light can produce several colors. Remove the affected bulbs. When one of the LED's fails the circuit breaks which affect all the other lights (half of them) that are in the same series circuit. I'm trying to repair the wiring for a string of 3 color changing LED spotlights, made by 'Holiday Home', that got run over by a lawn mower. Once you have all the lights replaced, plug the string back in to make sure you got them all. The strings need to be dried before storage. On my string the voltage between the LED and the common is 3V. If all of the LED strips colours are working except for just one colour, and this is affecting that colour all along the strip (e.g., the whole length of the Red colour LEDs are not working), then there is either a fault with the soldering of the Red -ve cable onto the strip’s PCB, or else Red cable is faulty from the strip to the receiver, or the connection of the Red cable into the receiver is faulty or disconnected. For this repair we are actually going to bypass the faulty light. The last string and half of the previous string are working but the first string that is plugged in and half the second string are not working. on Step 7. (with lots of extra exclamation points). Could the resistance be different in the blue bulbs? With the faulty LED light removed the light string half that did not work is now working minus 1 light. Hot and neutral wires should never touch: RGB Strip Light Stays One Color C6 bulbs are strawberry shaped.. C7 and C9 bulbs have the traditional shape you might have grown up with—larger than the strawberry-shaped C6, with the C9 the largest of all. Never attempt to fix a light strand that is plugged in; you may be electrocuted. My strings were two quality strings of 100 lights purchased at Costco, and they made it through last season. Can't one simply put in a "good" led to fix the problem? Each cut-point is a marked line with a set of solder pads either side (4 pads for single-colour LED tape, or 8 pads for RGB). LED strip decorative lights are widely used, whether it is used to decorate the interior or exterior of the room, or shops, are very practical. I measure the current in the light string half that was not faulty and it was 9mA. I am happy to say the lights are still working fine after two weeks. Answer Soldering Iron However, in the course of use, there are occasional situations in which LED strip does not work. on Step 7. Bi-Color and Tri-Color. 4 years ago, We just repaired a string that was half out with this method - one bulb did not have the FAINT TINY GLOW (TM) you described and we replaced that bulb and the string sprang back to life. Reply Bad LED's will have no faint blue dot of light. Carefully remove the bulb from the socket, taking care not to break the socket while you do it. RGB LED stands for Red, Green and Blue Light Emitting Diode. So it sounds like you have at least two bad bulbs in the string that doesn't work (at least one in each parallel/half) of the string, and at least one bad bulb in the half of the other string. To repair the light, First find a piece of stranded wire and strip off about 2 inches of insulation. The easiest and most affordable way to fix LED Christmas lights is to have another strand available that you will not be using. Light when current flows in forward bias direction and not in reverse. The Voltage detector spec for the ones is see on line are between 50v to 1000v or 12v to 1000v. This week we're going to go over an easy to do LED Remote Quick Fix, should your remote hit a snag. Testing LED lights is simple with a digital multimeter, which will give you a clear reading of how strong each light is. Try to replace a couple of LED light bulbs with the CFL lights. Light Is a Different Color at the End of the Strip: Voltage drop: Split up your strip light run with multiple LED drivers. Measuring the current in the light string half with the one light removed the current was 12mA. 2 months ago Use a secondary string of lights as replacement bulbs. Typically if your LED lights simply "don't work" it is not because the products are defective but due to a basic wiring mistake or overlook. There's WAY more to scouting than campfires and singing Kym-Ba-Ya (although there's that too). Thanks!!! STEP 3. Plug in the LED string. A lot of life's lessons are taught in scouting, and practical things like how to fix a broken wire or how to do one of those McGyver projects where you make do with what you've got to make or do something practical. For someone who went through 2 of 5 semesters of Digital Electronics Tech 10 years ago, I have forgotten just about everything. In the example, when the faulty led was found, it was not replaced, it was "cut out" and bypassed. Now, examine in a darkened room or dark shade. Since … M5 lights are the mini lights you may be familiar with. Question 2 years ago You could get electrocuted. Wire Cutters :-) (Book available on Amazon. The string of lights I had did not have "replaceable" bulbs. Plug in the LED string. Go back to the original strand of lights and find which ones are burned out. To reverse the socket, I cut both wires from the socket, one on each side, about in the middle of their lengths. Electricity can kill you if you don't know what you are doing. This can be particularly useful for conveying information in a tight space. on Step 7. Christmas lights are a real nuisance to repair. 1 year ago. Solder For example, if you burn yourself with the soldering iron that is your fault. There should be no voltage detected. I started with all White LEDs on 8 strings of 35 and replaced some with Yellow and Amber and all was fine, but not the blue. If you need to cut your LED strips to length, simply use a pair of scissors to cut along the marked line. on Step 7. Voltage Detector (see picture for example) Flickering of LED lights could be very annoying. ), Reply Thanks! I have a bit of confusion. The general upper limit for LED's is 20mA so the current level is still reasonable even with the one light removed. on Introduction. Pick which kind of LED you will need. It can be a total hassle when a light bulb burns out in a hard-to-reach lighting fixture in your home. Another tip: You might expect to find the spot where you lose voltage as you move further from the plug. As I mentioned earlier the removal of a light will increase the current and LED's do not like high current. A little off the subject, but someone mentioned scouting and I thought I'd expound on that just a little bit. How can I use the detector? Your LED Christmas lights will now function perfectly once again. Is there something I am missing? When I was sure of the LED that was faulty I unplugged the lights from the electrical source and then put a sewing pin through the wires going into the LED to bypass the light in question. Some issues, especially very minor ones, can be caused by very temporary issues with the connection to your computer that a restart will fix. Share it with us! If you are having issues getting anything to work in your LED installation or your lighting is inconsistent go over this trouble shooting … If you get lead poisoning from eating the lead solder this is you fault. 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.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. Because LED lights don’t overheat, they greatly reduce your risk of being caught in a Christmas tree-related fire. on Step 7. The other had far too many bad LED's--far more than I had replacements for. There are typically two different types of LED bulbs that are … This Trouble Shooting Series is for them. Cant figure this one out. If you have a string of LED lights that are of the non-replaceable type you may think all is lost. I was only able to repair one of those strings where I was able to find the one (1) bad LED and the whole thing LIT! She began her career as a Web designer and also specializes in audio/video mixing and design. 1 year ago If not discard the light. If your spouse whacks you with the rolling pin because you destroyed his/her Christmas lights guess what - your fault. It doesn't matter if it or the section in question lights or not. I've needed to replace 8 LED's in a single string. one of these wires is constantly hot but there is no power at the other two wires. As you can see, most of the problems can be fixed by yourself. This will increase the current that goes through the remaining lights because we have eliminated part of the resistance. I have been changing colours in LED strings to illuminate a wire angel and all went well until I changed a string to Blue, bulbs started burning out. You can harvest the bulbs from this strand to use on your burned-out lights. There will be a faint (and I mean FAINT) blue glow--a tiny dot--in every good LED. LED Christmas lights last longer and provide more color options than regular lights, but they burn out on occasion. But you might have it at the far end and loose it as you move towards the plug. My angel is supposed to have Blue wings, Amber trumpet, Yellow halo and the rest White. The plastic socket can be brittle, so exercise caution. As an example, if there is voltage on the wire between light 6 and light 7, but there is not voltage between light 7 and light 8, then light 7 is likely the problem. There will be a faint (and I mean FAINT) blue glow--a tiny dot--in every good LED. LED strips. I accidentally came across a solution to finding which are bad and which are good LED's in a string. One of the most widely-seen holiday decorations are miniature LED lights, which you can string on trees and bushes, homes and Christmas trees. If this proves out, all that I humbly ask is that it forever be known as The Allen Whitlock Method. From the first light, in addition to the power in cord, are 3 more wires (like common lamp cord). I saw a video a while back that said some lights have a third wire, and that wire can be snipped out without any problem. Plug in your LED Christmas light strand to see which lights will need to be replaced. LED leads, can cause the leads to corrode over their year of storage. When a mini light shunt fails or a bulb becomes loose, you have to find the faulty bulb the same way. How to Fix Discoloration and Distortion on a Computer Screen Power off the monitor, wait 15 seconds and then power it back on. Reply If it is the second then start at light 36 for a 70 light string. Bad LED's will have no faint blue dot of light. 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The remaining LED 's is 20mA so the current that goes through the remaining lights because we have part... Is simple with a 70 light string half that was not faulty and was... To use on your burned-out lights bulb that is your fault section in question or... Don'T attempt the following is a four step ( really three! how to fix led lights that are different colors Sizes! Blue, Green and blue light Emitting Diode as opposed to incandescent lights. Case, one leg of the non-replaceable type you may think all is lost bulb the same rating. Current flows in forward bias direction and not in reverse fix an LED the! Is now working minus 1 light the faulty bulb the same way sliders to change LED settings on turn lights!