Hello. Unlike other types of light like incandescent, LED switches off when the voltage fails. If I place back 1 incandescent light bulb, leaving the other two lights LED, this problem does not occur. 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. 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. Buy dimmable LED lamps. The most common cause of flickering has to do with dimmer switches. This issue does not happen all of the time, but has happened on all of the lights at various times, and when using all of the switches on the circuit. Read the following response to a question posed by a reader with the same concern. Captain Obvious here with a special report from the field: dimmable LED lamps are an important part of the LED dimming equation. Sometimes when another light is turned on within the same circuit all of the others will dim momentarily. They have a tendency to flicker, especially as they power up or in cold temperatures. Normally, the naked eye sees a LED headlight flickering, but in reality, the LEDs are just turning on and off quickly. The flickering may be related to the type of bulb. The reasons for LED lights flickering once turned off. But most commonly, LED bulbs may flicker or dim in your home when there are voltage fluctuations in your home’s wiring. What should be a smooth and even glow looks like a busted neon sign. Solved! The flickering will last up to 5 second then the light will turn on and be fine. A few of the reasons that might cause LED lights to flicker are being discussed below. 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. We have had a LED light in the family room for several months now. 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. The flickering of the LED light is usually a technical defect that comes with the LED Light and is not a defect of the product itself. Do you have LED bulbs? 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. 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. In the past week it has started to act funny. If your fluorescent lights flicker occasionally, it’s probably nothing to worry about. 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. Incompatible dimmer switch. 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. 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