If both lights are lit, wait for one bulb to turn off. Turn the bulb off for 2 seconds, then on for 2 seconds. Please help, thanks! Repeat three more times. Reply. Turn on your HID headlights. same on every restart. Shelagh McNally says: ... after about 10 seconds, it turns off. Replaced the lamp and when turning on the power button turns green and after a few seconds the word lamp turns red. The bulbs are MR16 50w 12v. No light coming out of the lense. If the bulb lights with a weak pink/purple color, it’s usually a bad bulb. One clue that your ballast is the reason for a non-working fluorescent light is the light bulbs struggle to turn on. A good way to check that your ballast is the culprit is to turn on a voltage detector and hold it next to the wires supplying power to the ballast. At first, I thought it was one of the kids messing with the lights. Any ideas on how to fix this? It keeps doing this whenever I turn it on. I'd say it usually takes about 10 minutes for this to start happening. When I turn on the wall switch (fan has a normal switch, no remote), the fan works fine, but the lights stay on only for about 1 second, then turn off. Check to be sure the dimmer switch is compatible with the LED light bulbs. This is all to avoid a big inrush of current when it is turned on. As I said in the intro, we noticed this happening over a 3-4 week period. HID ballast diagnostic tip. If the light turns on, you know the issue is with the switch. As some of the other (less sarcastic) posts have observed, chances are that there is an issue with the type of bulb, or the switching mechanism / electronics that you are using. The ceiling light in my kitchen goes on when I flick the switch. Find the LED bulb packaging and be sure it says “dimmable”. It's a very methodical on and off, on and off, on and off. Since being changed they all go out after about 20 mins and come back on again 5 mins later. If it does not turn on, the issue is with the LED or the circuitry surrounding it. We have four halogen bulbs in our bathroom and recently one of them has taken to going off about five minutes after it is turned on at the light switch. In the circuit, capacitors must charge, then electronics wait until they are charged to start, then capacitors after that must charge before the LEDs can finally be turned on. Replaced bulbs but didn't solve problem. Some time ago I had an electrician do some minor work in my house and this included changing the bulbs in my bathroom lights as they had gone. LED light compatibility with dimmer switch: Some LED light bulbs are not dimmable. The bulb life light came on and he replaced the bulb. The rest of the bulbs (controlled by the same light switch) remain on until they are turned off at the switch, but this random bulb just turns itself off. Obviously the fan and light kit is getting power and the bulbs are not burned out. If one doesn’t light when you turn on the headlights, proceed with this test: Have a helper watch the HID bulb closely as you turn on the headlight switch. After the fourth cycle, the bulb will flash, indicating that the reset was successful. If the bulbs are not dimmable, put in a normal light switch or purchase LED bulbs that are labelled dimmable. If the issue is with your switch (If the light turns on when the metal object is laid across the tail.) Then back on after another 10 minutes and is driving me crazy. I have a light fixture with MR16 halogens that has recently started turning on and off on its own after having been on for a while. Second bulb I have tried. Then after about 10 minutes, it goes off. then you can take a closer look at the switch assembly.