Many LED strip lights are not intended for outdoor use. If not discard the light. But sometimes an annoying effect occurs: Light-emitting diodes radiate their light almost point-shaped. If it does not light, reverse the leads and try again. The fist step is to find the LED that is no longer working. All LEDs are sensitive to the temperature of the surrounding environment, so endless days in triple-digit heat will cut your lights’ lifespan short. LED light is too bright. I checked the lights and all the bulbs seem to be lit up properly. For example, when your central air conditioner clicks on, you will notice the LED lights dim or flicker slightly because of surge wattage. It’s also why they don’t overheat and last so much longer than traditional bulbs. We have led lights half the strand dim and half bright. Found the problem one, but changing the bulb didn't work… My husband put the bulb in backwards by accident and now the whole strand is bright! With the lights plugged in, use the voltage detector to check the live voltage wire between each light, starting at the end that plugs into the wall outlet. The non working LED will obviously be in the string half that is not working. Typically, bright yellow fluorescent phosphors are activated by a high-efficiency blue LED, and the result includes yellow (with some orange and red) as well as the original blue. I brought five dimable LED bulbs. Riddle me that one lol First thing to do is check the light to see if it is good. LED technology has established itself and LED lights have many advantages. It's like the bulb now remembers only the dimmed setting. They are both operated by the same switch. Why are my car's headlights not bright enough? Light is produced because electrons are energized when electricity is introduced to the diodes. My kitchen lights have dimmed down to the point where we can barely see that there’s electricity even getting to them. New LED Bulb Is Not Bright First of all, you need to know that for LED bulbs, you need to look for Lumen rating as opposed to Wattage rating (as is the norm for traditional bulbs). Add water, add freeze-thaw cycles, and perhaps a manufacturing flaw on one bulb, water gets where it should not, things don't work so well. At first, only one bulb dimmed out, then a day or so later the other went. The electronic complexity is part of why they cost more than an incandescent bulb. The white LED bulb is a special case: The white light produced by a white LED is fluorescent light, at least in part. The Reason LED Lights Dim LED Lights operate through semiconductors and they do not get to the touch, or melt the plastic bulbs they are often placed in, a small amount of heat is released. If it lights good. Fluorescent Light Fixture Question: Why is our fluorescent light fixture dim? This will go far in helping you buy an adequately bright bulb in the first place. Simple component failure is the other likely option. I brought an LED compatible dimmer and changed out the switch for the dimmer. It is important to understand how this happens. Remember, LED lights are polarized. Dimmable LED light bulb. Lights should be IP65 rated or higher if you want to put them outside. The major offender is moisture. The bulbs are fluorescent. As a result, many people perceive the light as much too bright. So why are my LED lights not working? Generally, a short circuit in a single fixture leads to a single light or group of lights not working. So using a "light fixer" for the original mini lights, remove the bulb from the socket and touch the leads to the light tester. Water intrusion - LED "bulbs" are typically complex assemblies with joints, as opposed to the glass envelope of an incandescent floodlight. 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