Solved! We turn on the LED light and after a while it turns off and then goes back on and then a little while later off and on again. They have a tendency to flicker, especially as they power up or in cold temperatures. When electrical loads turn on and off in your home, this change in voltage levels will cause the LED lights to occasionally dim and or flicker. 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. LED dimming success: 4 tips for avoiding LED flickering, strobing, and early burnout 1. For example, if you run your washing machine and the clothes dryer at the same time, this is most likely why you will see an LED light dim or flicker. So if the on/off cycle, powered by mains alternating current (AC), is not functioning well, then the human eye sees the LED rapidly turn on and off, which we call flickering. The reasons for LED lights flickering once turned off. Luckily for your client you’re an LED professional (you’ve read this very blog post) and you know how to solve LED flickering issues.-Flickering is caused by a handful of different reasons, and once you’re aware of the causes it’s easy to identify and solve the issue. If your fluorescent lights flicker occasionally, it’s probably nothing to worry about. Normally, the naked eye sees a LED headlight flickering, but in reality, the LEDs are just turning on and off quickly. Do you have LED bulbs? A relaxation oscillator causes the capacitors inside an LED lamp to flip between their on and off cycles; a charging cycle when the lamp is powered off means the lamp should remain turned off but the relaxation oscillator effect causes temporary (i.e., nanoseconds-long) illumination, which the average person sees as a flicker. Sometimes when another light is turned on within the same circuit all of the others will dim momentarily. There are several reasons why the bulb is behaving this way, but mainly: The low frequency of less than 50 Hz makes the LED bulb flicker. The set-up at the front of my house resulted in the LED lights flickering when switched off. But most commonly, LED bulbs may flicker or dim in your home when there are voltage fluctuations in your home’s wiring. What to Do About Flickering Lights If you’re frustrated by flickering lights, you’re not alone. Incompatible dimmer switch. If I place back 1 incandescent light bulb, leaving the other two lights LED, this problem does not occur. The flickering may be related to the type of bulb. We have had a LED light in the family room for several months now. In the past week it has started to act funny. A few of the reasons that might cause LED lights to flicker are being discussed below. When electrical loads turn on and off in your home, this creates a change in voltage levels, which may cause the LED lights to occasionally dim or flicker. Following the post Mains LED light bulb flickers when switched off, I understand how LED lights work and why they can flicker. Considering that LEDs do not have any delays, it would appear like it’s flickering. What should be a smooth and even glow looks like a busted neon sign. Do you have fluorescent bulbs? The flickering will last up to 5 second then the light will turn on and be fine. Read the following response to a question posed by a reader with the same concern. 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