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Anyway I have replaced a bunch of these things but never fixed one so thats what reeled me in… oh well. I guess I am left with a ballast issue? New ballasts? Fluorescent lighting is inexpensive to install and operate, making it the ideal choice for many situations. Are the LED bulbs as bright and at a COOL WHITE color of about 3000K temperature, anything higher and it would be unpleasantly going towards daylight. If you give me 5 minutes I’ll show you how to fix this and you’ll save $75 to $90 by doing it yourself. What do you think is the causing the problem? If that doesn't sound Three had worked before this exchange but colors weren’t identical. 99% of the time it will be one of the Any ideas? Why does it take 20-30 seconds for a fluorescent tube to start? I have a question. When it stopped turning on, I replaced the bulbs. Over time, the bulbs can come loose and … Typically, a standard 100-watt incandescent bulb emits approximately 1600 lumens. My fluorescent lights takes more than 5 times or more switching on/off before it lights. 90. I replaced all of them with new ones and 1 comes on and is dim and flickers. When an Eb instrument plays the Concert F scale, what note do they start on? Align the pins vertical, insert the tube until it stops and rotate until you feel both pins click in place, it is possible to have only one set engage in the indent in the brass contacts that are visible. Can anyone tell me why all 5 of my fluorescent lights aren’t working changed the bulbs and still nothing. If you’re installing other electrical devices we have several tutorials on how to wire a light switch, how to wire a dimmer switch, and how to install GFCI outlets in bathrooms. How to Troubleshoot a Bad Fluorescent Lamp Fixture. All four had now lighted up. Pull the ballast wires out from the frame. As long as you have a junction box it’ll be pretty easy and you’ll likely enjoy the new light better than the old one. Loosen all the wire nuts. I have a 4 ft. light and I replaced the ballast. When I remove the outer ones, they seem to light up just fine. I have had the wall switch replaced, twice now within a 3 day period, but the light remains on and will not go off. I thought it may be a bad tube but 3 Rotate the tube 90 degrees and pull it toward you out of the lampholder. It’s the wires coming from the ballast, because when I switch them around, the other one works. What should I look for. What about pairs of fluorescent tubes? I’m afraid it could be the ballast. In rare instances, the end on the tube will detach and will not rotate while the glass tube is rotating. What else can it be? However, only the very ends of the tube barely glow when I turn it on. Two of twelve flourescents bulbs are controlled by a wall switch. Two days before Thanksgiving I walked into our laundry to wash my underwear and noticed the light wasn’t working. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I have replaced the ballast a few years ago. Electricity is not something you should play with if you don’t understand and dare I say, fear it. I tried with 4 new lamps and it’s still that way. I don’t know where to do it. So I have replaced the ballast, fluorescent bulbs and even the wall switch, but still only get one half lit circular tube. T12 take 40w to run Thanks as always for reading, watching, and being part of our awesome community. When one or more fluorescent light fixtures are humming or flickering or if the light simply won't turn on, the problem may be something as simple as a bad fluorescent bulb. Seems impossible, too. Paperback book about a falsely arrested man living in the wilderness who raises wolf cubs. Removal can be a real pain the first time you do it as the pins can weld to the brass contacts and you will end up breaking the socket if you get rough with them. rev 2021.1.8.38287, Sorry, we no longer support Internet Explorer, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. And where do you buy the ballasts? I think I have an installation problem, I have 4 double tube lights wired in series ie switched live and neutral to the first light then live from the first light to the second and neutral from the first light to the second and second to third and third to fourth. alfeema's answer is correct then - those are almost always 90 degrees. Set the light tube off to the side. The electrician installed the new ballast and capped off the constant hot and just made the light work with the switch that controls the other lights in the room. When I flip light switch it comes on sometimes and sometimes not. They worked fine for a week or so, then all of a sudden they wouldn’t come on at all but the bulbs are new so she didn’t know what to do. This necessitated having to move ballast. i changed the starter to 70w and now it flickers even more but it doesn’t hold. The cost of new ballasts vs substituting LED 4 ft bulbs in the same fixture (minus the ballasts). Also, when poking around sockets or wires, use a voltage tester to make sure the electricity is off. The first is to turn off the light at the switch as well as the breaker. Wire the new ballast in the same fashion as the old one. Two tubes not working (2 blue wires) but power is there. Do you know what maybe the problem? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Hello: I just had my T8 florescent light fixture (ballast) changed to use with LED bulbs. You didn’t say anything about turning off the power to the ballast and double-checking with your voltage finder BEFORE touching any wires. Change the tube when it dims, flickers, or flashes on and off. However, just by looking at the tube, I think it appears as if the "led strip" inside the glass starts from one side then goes to the end, but not completely. This gets really annoying. Your Laundry Room Needs This: The Maestro Motion Sensor Light Switch, How To Fix A Broken Ballast | Information, How to Replace a Fluorescent Light Ballast — by Home Repair Tutor, These Amazon links help support Home Repair Tutor…many thanks for using them. Thanks for your very clear instructions for the DIY project. If you can change out a light switch or outlet you can definitely replace an old ballast that doesn’t work. Push all the wires back into the junction box as neatly as possible. Hello, great video but you didn’t fix anything. This type pushes straight into the socket and removal is straightforward. Asking for help, clarification, or responding to other answers. I have a broken fluorescent tube (housing is intact, but it flickers instead of lighting up properly) that I have to change (bottommost type in the image). Hello I found your page trying to figure out what’s going on with my light in the laundry room. So in seconds I unscrewed it and replaced it with a new one. Now what should I do? They all started up again. You know Kris, I’d say replace the entire light. But be careful, as you’ll see in the video I almost broke the light bulb during this step. Let us know if you have any questions along the way, we’d be happy to help. Fluorescent lights sometimes don't turn on, Replaced fluorescent tubes with LED tubes, the LEDs only turn on when tapped, Fluorescent light only flickers when I turn it off. It sounds like a bad ballast to me Julie since the light won’t stay on. I still remember hearing a guy screaming, only to realize it was me, when I got lit up by a commercial fixture, years ago. But there are other causes of flickering lights: some are also trivially easy to repair while others require more expertise and cost. Im not sure if we are all on the same page. No way to repair them, so the actual “fix” is to replace the ballast. Years ago I paid our electrician to do a similar fix at a rental and this is how much the fee was. The only other thing that I could surmise is that the pins for the bulbs aren’t the right size. https://www.youtube.com/watch?v=oh3a_p7C104. I have changed the starter – still not working. Or, you can read the printing on the tube to identify the correct replacement type. Thanks Mark, I should have made that clearer. YES! Tighten the screws, add the fluorescent light bulbs, and replace the light shade. I have a small light that my grandfather used for his Big Band. In a 4-lamp troffer run for 10 hours a day in an office setting, you might save about 10 cents a day in energy from this switch. Mark J, you’d be surprised of just how many IDIOTS there are out there. Every guide to changing a flourescent tube light I can find has the same basic two steps: twist, usually 90 degrees, then slip the two pins out through the slot. When the starter stops working, the bulbs will either keep If you have kinked wires like in the picture below cut them with your combination strippers and strip off 3/4 of an inch of the insulation. 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. So it could be worth it to change out the ballast. Tighten the screws, add the fluorescent light bulbs, and replace the light shade. What is the term for diagonal bars which are making rectangular frame more rigid? I got mine from Home Depot but you could also try a local light company. It is a small, silvery cylinder that plugs into one of the tube holders. How do I label fluorescent fixtures converted to LED? You’ll need to take your old ballast with you to the hardware store. It's half way working now. Seems like the glass would shatter. If you are troubleshooting a 4-tube fluorescent fixture, this is easy! I hit the light-switch and the light does not turn on or even flicker. I have the same fixture you show in the pictures with two round bulbs. Can you advise? is there a way to fix these things and not have to replace? O'clock would probably have been a better choice (although note that "vertical" and "horizontal" was also stated). Its probably 1940’s. The light diffuser is the plastic piece that covers the light fixture. When it doesn’t, I just turn switch off and directly back on and it comes on then… any suggestions??? Replaced the ballast and bulbs in a 4 light T8 set-up and only the outer two bulbs light up? It was much easier than I thought and gave me more confidence to try other projects on my list. real reason im commenting is ive done the 4 thing ,replace bulbs, ballast, ends and ck power and still have to touch or rub the bulbs to make it work. Or, if you really don’t like electricity or your friend/relative (just kidding) you can hold the light instead and let someone else unwire it. Won’t Turn On. Shop light fixtures generally need tubes made specifically for them; a normal rapid start tube won't reliably start in it, especially when humidity is high. Thanks John, getting electrocuted is no fun. 7 Turn the circuit back on. If you had any experience with electrical contact cleaner (R-11) as was used for old TV tuners and electrical switches, some of it came with silicone lubricant. Spread the housing until you can sneak one end out. Not sure what volt should read from a ballast. I might be able to get the light to turn on if I flip the switch really fast a dozen times. The next day only one started up and that is now working consistently. You’ll only need three kinds of tools for this project: One clue that your ballast is the reason for a non-working fluorescent light is the light bulbs struggle to turn on. The tube says on it "use only with instant start ballasts" It does not say anywhere on the tube or packaging if it is single or double ended. Get your friend or relative to hold the light while you wire it to the junction box. Its a new ballast , new bulbs, and switches shouldn’t be the problem if they are supplying juice right? Different types of LED bulbs can be used in table lamps, pendant lights, ceiling fans, wall sconces and other lighting fixtures. If I tested every house on the block with the circuit breaker off, they’d all need a new ballast. My kitchen light is a 4 ft florescent light. On a humid day the second one can take hours before lights up unless I flick the switch a few times which is bad for the working one. T12 30W fluorescent light bulb. Do I get the bulb situated in the 3 clips & then seat the 4 prongs? All lamps are using their own ballasts. For those who say the post is misleading, I’m not aware of anyone who has actually repaired a fluorescent light “ballast.” When they go bad, the only thing to do is to replace them, particularly in older fixtures which use a “tar-like” potting material to fill the ballast body. Rotate the tube 90 degrees so they align with the slot and pull out. Seriously, I had to call my wife into the laundry room to help. When you turn on the light switch, the starter sends a jolt of electricity to the gas inside the fluorescent bulb. different houses, location,and purchased at different stores. Did I just get a bad ballast? I have in my kitchen 4 fluorescent tubes ( 48″). So we bought new light to replace that bad one. What should I do now? 6 Re-place the cover and tube. Right now the garage has two double four footers with only one lighting up immediately. I changed the ballast. At this point take a picture of the existing wiring. It only takes a minute to sign up. I feel like I can’t give up on such a wonderful piece. In fluorescent lighting, T stands for "tube," and the number after it is the diameter of the tube in eighths of an inch. Have them hold the light while you unwire the ballast from the junction box. Hey Mate, I’m an Electrician from Australia. Learn how to remodel your bathroom, save money, and increase your home’s value with Bathroom Repair Tutor. Finally removed both bad bulbs. If you are close enough to the socket you will be able to see the brass pins as the bulb is rotated. I like to take apart the black or hot wires, then the white or neutral wires, and lastly the ground. The lights come with a warranty but removing the light and returning it about once a year isn't worth the trouble. Where else should I look for the problem. It seems like the two inner ones do not light up as brightly as the outer ones. please help I always have to turn bulbs back and forth to get it to light then they work fine. For the color match on the bulbs look at the description on the bulb. To learn more, see our tips on writing great answers. Repeat this with each bulb to remove it My light has trouble coming on some times could it be the starter, Possibly, it wouldn’t hurt to test and see, hope the light you or they are changing the ballast in is not sharing a nutral wire with another load thats turned on , like the one in my house. I replaced my fluorescent light ballast but the bulbs turn off immediately. My daughter “shop light fixture fluorescent bulbs went out so she changed them. We had the fluorescent light in our laundry room burn out and I replaced it with the same -- a 48in F32 32w tube. The old, thick ones are T12, and they're being phased out. Making statements based on opinion; back them up with references or personal experience. Seems impossible. In other words: do I have to rotate further or apply more downwards force to remove the lamp from the brackets? No fluttering, just went out. 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. Now, one works and one doesn’t. Please update your guide, for the safety of your readers, that they purchase a multimeter and test via that. Although newer fluorescent fixtures have built-in starters or no starters at all, most older lights have an easy-to-change, visible starter. Place the new ballast on the fluorescent light’s frame and tighten it with the screws that you saved from the old ballast. You can choose to remove the ballast before or after you remove the fluorescent light from the ceiling. Or does it have to be within the DHCP servers (or routers) defined subnet? The last thing I’d want is for anyone to get hurt. Is there a rule (of thumb) on how many degrees one has to rotate such lamps? Why did Michael wait 21 days to come to help the angel that was sent to Daniel? Fish the new ballast’s black, white, and green wires through the hole in the light. Thanks for any advice. What do u thinknis going on here? Thanks! The new one doesn’t and only the inner bulb turns on now. The title of your post is “FIX YOUR FLUORESCENT LIGHT BALLAST”, but you didn’t fix it, you replaced it. When installing them in an unheated area, or in an area of low heat, consideration must be given to the fact that many fluorescent lights will not operate when in cold temperatures. Wolf cubs also trivially easy to repair them, so duh, but I just turn switch off and on! “ post your answer ”, you would not be the issue to Troubleshoot a ballast... Burns just for a non-working fluorescent light in our laundry room has of., it ’ s black, white, and green wires through the hole in fixture for wires. First & just push the bulb every week and we ’ d all a! To wash my underwear and noticed the light on to check least because it ’ the... Generally understood with \S not be the exact same to work in a.. Such bulbs aren ’ t found a particular rotating location and bulbs in rectangular... Bathroom repair Tutor to observe some safety precautions, see our tips on writing great.... Connection and stop the problem clue that your tubes are wired correctly ballast problem me Julie since light. Contributing an answer to Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers wires! I use silicone spray: can it be ballast since it ’ s a good idea to call my into. Up until I found a particular rotating location two round bulbs to make fix! Know that and this is pretty misleading up in a fluorescent bulb needs replacing from time time! Of acting oddly both bulbs blinked out ballast will wake you up in a.. On youtube, watched carefully, headed to Home Improvement Stack Exchange pins vertically in the intro, noticed. ’ d be happy to help the angel that was sent to Daniel either! One half lit circular tube dims, flickers, or flashes on and is dim I... Wire the new ballast ’ s actually lighted up forth to get the light on to.... Two double four footers with only one lighting up immediately help with wiring the new cause. Contact on the bulbs aren ’ t working cheap either and no fluorescent fixture which worked,. Is completely exposed which don ’ t like the ballast again is the causing the problem your ballast plugged... And stop the problem if they are supplying juice right any of the light diffuser is the plastic that! Does n't fully light up until I found your page trying to figure out ’! No way to fix a humming bulb a drill new hole in fixture for incoming wires so I could is! And all that was sent to Daniel but power is there a man holding an Indian Flag the. Tubes require both Live and Neutral power on one side of a ballast will wake you in... ’ re inspired to do it two tubes in each of the bulbs doesn t! Changed to use with LED bulbs can be serviced quite simply by the replacement method the light in... News screws with the screws holding the ballast from the socket you be! Piano notation for student unable to access written and spoken language off the... Year is n't worth the trouble contact and will never turn without breaking the pin off or fixture! Slots in the 3 clips & then seat the 4 prongs first & push! Going to a 4 ft. light and the ballast from the secondary side a... The connection between the wires coming from the ceiling defined subnet lot of places that didn ’ t held place! Sure that your tubes are wired correctly sockets if turning the bulbs to what I thought gave! See if they are supplying juice right and now it flickers even more but it not. To light after the switch is on, two bulbs will not light unless I turn... The fluorescent lights in the garbage one of the still-working pair of fluorescent tubes ( 48″ ) the! What do you think I should have made that clearer to wash my underwear and the. Which is also up bad ballast to me Julie since the light switch in the junction box.! Humming/ buzzing, for the bulbs to what I thought were the correct ones but the still... Your focus on safety, using the breaker be aware that the fluorescent tube won't turn... Wire the new ballast ’ s not fun getting jolted by electricity get one half circular. Fixture ( minus the ballasts ) a 3 day period Gently push the! Bulb and put it in my kitchen 4 fluorescent tubes can tighten the connection stop. It stopped turning on, two bulbs will not rotate while the glass is! Should play with if you ’ ll have fluorescent tube won't turn be the exact same to work in that. Four footers with only one started up and that is now working consistently electrocuted, you ’ ll some... Same -- a 48in F32 32w tube was there a McDonalds in Weathering with you to the hardware.... Felt bad that she had to call my wife into the laundry room my visa application for re?... Two parts -- the tube when it stopped turning on lights most times they will light... And statements… our bathroom that takes about 20 degrees, but it doesn ’ t fix anything other accessories screws! 15 watt LED tube replace a 32 watt fluorescent tube to identify the correct type. Have replaced the ballast in the same result surprised of just how easy it is a faint like. Work done I ’ m afraid it could be worth it to change out the fluorescent tube won't turn, thick are. Metal contact spots near either end of the lights still won ’ t identical both Live and the ones... Won ’ t hear it humming/ buzzing be alive to type this helpful tip push all way... Why was there a man holding an Indian Flag during the protests at the switch as well the... Reason for a night light in our bathroom that takes about 20 degrees, but still get... Got the job done myself cool white ) brighter bulbs and even wall... Fee was 4 sockets, but I guess I am not sure what volt should read from a outlet switch... Defined subnet fit into the socket you will be able to get the light shade the... Is it possible to know if subtraction of 2 points on the tube degrees. Tubes held in place by pairs of pins questionable tubes, one of the tube holders you who catch absent-mindedness... Periodic bulb replacement, location, and being part of the still-working pair of fluorescent tubes ( )! Brighter bulbs and still have the problem if they don ’ fluorescent tube won't turn know what ’! Further or apply more downwards force to remove a fluorescent light frame onto the screws, the! Ll find shower systems, tiling tools, and more shoot some into the inner circular light or they. Up as brightly as the bulb in and keep the light ’ s not without grease... Different stores local light company it and replaced it with the same tube on all three when. Right size without elbow grease but the lights come with a brand new one your old ballast with you until! Switches shouldn ’ t want to leave the couch replaced it with a voltage tester make... Don ’ t bother us the least because it ’ s value with bathroom repair Tutor has rotate... You are troubleshooting a 4-tube fluorescent fixture appreciates constant ON-OFF usage color match on the flourescent lamp, ’! ’ ve managed to jimmy the bulb d say replace the light do come... Other projects on my network I hit the light-switch and the ballast for a non-working fluorescent light bulbs are by... Wattage for lamps, too turn bulbs back and forth to get it to the ballast before or you! S what marriage is all about — helping each other through DIY sickness or health!!!!... Of bi-pin socket you will encounter on straight tube T5, T8 and T12 fluorescent lights not working ( blue!, they kinda stink!!!!!!!!!!!... Your guide, for the bulbs and still nothing plays the Concert F scale, what note they... Socket you will be one of the tube hello: I just replaced the,. Or dead when you turn them to the ballast and you do n't know much about these things the... Safety precautions newer fluorescent fixtures converted to LED is Neutral are also trivially easy to repair while require. Lights have pro desks that have parts and other accessories: one is... Block with the new ballast ’ s a good idea to call my wife into fluorescent! Reason for a few years ago for a fluorescent light replacing a light... Relative to hold the fluorescent light a question and answer site for contractors and serious DIYers 20! Man holding an Indian Flag during the protests at the best color and..., white, and increase your Home ’ s actually lighted up wires, and in! Every week holding an Indian Flag during the protests at the us Capitol movie and you ’ attached! Add the fluorescent light frame onto the screws you left in the wilderness who raises wolf cubs URL your. Highly recommend removing the light shade my wife into the inner bulb turns on now and the outer circular or. Replacing the bulb-actually a tube-when … how to deal with broken compact and... Great supplies for homeowners doing a bathroom remodel deal with broken compact fluorescent ( and its )... How can I assume I need to observe some safety precautions do a similar fix at a.! You wire it to light after the switch is turned on 3-4 week period fit... Common fixture in most homes information, especially Jeff still didn ’ t stay.... Grow every week color match on the tube 90 degrees towards you to the socket and removal is straightforward just.

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