Here is how to troubleshoot a fluorescent light fixture that will not turn on or flickers. Many times when a fluorescent light starts to flicker or takes a long time to turn on the ballast or light starter is going bad. If just one of the fluorescent tubes does not light (with a fixture with 2 or 4 bulbs), obviously it could be a burned out bulb. Before doing anything that involves replacing parts, try the DIY steps below to fix it yourself.
To troubleshoot a fluorescent light fixture:First start by making sure you have power being supplied to the light fixture. If flipping on the switch does not turn the light on, check the circuit breaker. Once you confirm you have power going to the light, the next thing to do is make sure the fluorescent tubes are not burned out. If you have only one bulb out, it is most likely just that bulb has burned out and replacing it should fix the problem. If all of the tubes DO NOT turn on, then most likely it is a bad ballast. However it is possible for all bulbs to burn out at once but this is not likely. To rule out a bad tube or bulb, you need to determine if you actually have a burned out tube. So let us take a look at favorite fluorescent kitchen light fixtures with 12 images below.
To remove and replace the ballast, follow these steps:There are many different types of fluorescent lights. Your light fixture may be slightly different from the description we provide but the principal is the same.
If you know of an easier way or method to troubleshoot or repair a fluorescent light fixture, please let us know by leaving a comment below. Thanks!
1. Commercial Fluorescent Light Fixtures For Kitchen
To determine if the bulb or bulbs are burned out, install new fluorescent bulbs into the fixture. To be completely sure, replace all bulbs to be certain it is not a bulb issue. If the tubes light up then you know you have a bad bulb or tube. If the light still continues to not light up or it just flickers, then a starter or ballast is most likely bad. Most newer fluorescent light fixtures do not have a starter. The newer fixtures just have a ballast. So if you turn on the light and no bulbs light up even after the bulbs have been replaced, change out the ballast. Most common T8 ballast for 2 bulb light – Most common T8 ballast for 4 bulb light – New fluorescent light fixture 2 bulb – New fluorescent light fixture 4 bulb
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I have T5hd high bay lights with six lights in them the tombstones were broken by a coworker when changing the bad lights out. There isn’t any videos out there to help me see how to change and wire the new ballasts and tombstones into the t5 high bay lights. I do know how to change t8 and t12 lights tombstones and ballasts, but the wiring is very different in the t5 high bay lighting. Any help is appreciated.