Once removed, look at the fluorescent tube for dark spots near either end of the bulb. The bulb is completely exposed which don’t bother us the least because it’s a laundry room and on the ceiling. When it doesn’t, I just turn switch off and directly back on and it comes on then… any suggestions??? The fixture is at least 29 years old. I found it on youtube, watched carefully, headed to Home Depot, and got the job done myself. 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. There are two types of bi-pin socket you will encounter on straight tube T5, T8 and T12 fluorescent lights. The first fitting both tubes light the other three only one tube lights and it’s the same tube on all three. Perhaps 12/6 and 3/9 o'clock is more generally understood. why? I suggested changing our fhe entire fixture so we did that & low & behold, the light still didn’t come on. Please help me here as I am trying to determine what causes my fluorescent lights not working probably. Ok, so duh, but I guess I have a ballast problem? But, these are not really fluorescent tubes, they are actually LED bulbs, that fit into the fluorescent socket. This time around I recommend wiring the ground first, then neutral (white wire) and lastly the hot wire (black in color). These pins fit in slots in the light fixture. I replaced all four with Home Depot matched bulbs. I want the constant hot to be reattached. Set the light tube off to the side. Our laundry room has one of those four fluorescent tube lights. Remove the fluorescent light by gripping it at both ends and pulling downward. I’m afraid it could be the ballast. Many thanks to Mark for reminding me that I forgot to add this SUPER IMPORTANT tip. I used it about 30 years ago for a night light in my sons room. A fluorescent tube that is failed or failing usually has darkened areas near one or both ends of the tube. It worked great! 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. The bottom two are bi-pin fluorescent tubes. Two of twelve flourescents bulbs are controlled by a wall switch. Yes, I replaced a ballet a week ago. The tube is junk when that happens. But the problem still occurs. The last thing I’d want is for anyone to get hurt. Any ideas? Such bulbs aren’t cheap either and no fluorescent fixture appreciates constant ON-OFF usage. If I turn the switch off and then on again, those same two bulbs will not light unless I slightly turn them again. What else could I replace more? To replace, remove the old tube and bring it to the hardware store. new bulbs in each fixture. You’ll find shower systems, tiling tools, and more. Needless to say I don’t like the feeling. HELP! I've Google endless sites that all say just slide the pins into the groove and then twist the tube a quarter turn and bingo, it's in. Is the bullet train in China typically cheaper than taking a domestic flight? I have a recessed fluorescent fixture in my bathroom over the mirror. This type pushes straight into the socket and removal is straightforward. Lamp won't light at all: First check the fuse, then the switch that controls power to that fixture. 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. Now what should I do? 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. 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. What do you think is the causing the problem? Changing fluorescent tube: how many degrees to turn? All lamps are using their own ballasts. I have 2 sets of florescent lights on my third floor — attic converted to bedrooms in the 70’s.. Thanks for any advice. is there a way to fix these things and not have to replace? I purchased a Phillips Natural Light, 32 watt, 48in fluorescent bulb to replace one of my kitchen lights and when I turn the light switch on the new light is purple. Mark J was quick to point out about turning off the power but Mark J forgot to say anything about turning it back on when you’re done. I tried replacing all bulbs but makes no difference. I turned them off for a few minutes to confirm all is well. The first is to turn off the light at the switch as well as the breaker. It’s a great guide and a very easy fix but Voltage testers are an extremely unreliable way to prove a cable is dead. Now, one works and one doesn’t. Finally removed both bad bulbs. It worked fine. Seems like the glass would shatter. And Home Depot might have the ballasts in stock. And where do you buy the ballasts? Let us know if you have any questions along the way, we’d be happy to help. I like to take apart the black or hot wires, then the white or neutral wires, and lastly the ground. Before doing anything further, turn off circuit that supplies power to the light. Had to a drill new hole in fixture for incoming wires so I could place it at the same spot as old fixture. Please make sure that your tubes are wired correctly. Can you advise? Or maybe you're at the best part of the movie and you don't want to leave the couch? Any ideas of what I am doing wrong? Here we suggest the steps to follow to determine if the problem is a loose bulb or lamp, or a defective one that needs to be replaced. Dog likes walks, but is terrified of walk preparation, New command only for math mode: problem with \S. I had it happen a just 2 times. I had the breaker AND the light switch in the OFF position when the sparks flew!!! 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. Then double-check that no electricity is running to the light by using your voltage detector. When I turn on the flourescent lamp, it burns just for a second and then it turns off. It is a small, silvery cylinder that plugs into one of the tube holders. It flickers constantly. 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). I dont know anything about power usage and all that. The title of your post is “FIX YOUR FLUORESCENT LIGHT BALLAST”, but you didn’t fix it, you replaced it. Fluorescent lights are more efficient than incandescent ones, but also more complicated. Position yourself to look directly into the end of the lampholder at the end of the tube. The ionized gas then conducts electricity and the bulb lights. Hi can you help? If you can change out a light switch or outlet you can definitely replace an old ballast that doesn’t work. 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. I feel like I can’t give up on such a wonderful piece. I’m specifically looking for how to fix a ballast that is not working. Also, when poking around sockets or wires, use a voltage tester to make sure the electricity is off. After a few days of acting oddly both bulbs blinked out. Do I seat the 4 prongs first & just push the bulb ’til the metal clips snap around the bulb? No way to repair them, so the actual “fix” is to replace the ballast. I use silicone spray with a straw to shoot some into the socket when I encounter one that's semi-spotwelded itself in. You know Kris, I’d say replace the entire light. How to deal with broken compact fluorescent (and its mercury) without breaking the bank? You can choose to remove the ballast before or after you remove the fluorescent light from the ceiling. It’s the wires coming from the ballast, because when I switch them around, the other one works. The light has been working just fine, went to turn it on yesterday and no sound or light it was dead. 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. Gently push on the tube. But that’s why I have great fans like you who catch my absent-mindedness!!!! I have questions and statements… Our bathroom has four foot size fluorescent lamps over a large mirror. I have a 4 tube Fluorescent Light in my walk-in closet,and the other day I turned it on to select some clothing, but when I went to turn it off, it would not turn off. I’m sorry if somebody’s already posted this but I am just replace the ballast on my light it’s for a four tube light system but only half of my lights are working do I have a bad ballast or did I miss something, Hey Jeff I need help I have kind of the same light, the voltmeter shows juice coming all the way to the end into the 4 pin. The light diffuser is the plastic piece that covers the light fixture. When you turn on the light switch, the starter sends a jolt of electricity to the gas inside the fluorescent bulb. Would the moving of the ballast in the new fixture cause a safety problem? I don’t know where to do it. Did I just get a bad ballast? Single-end powered tubes require both Live and Neutral power on one side of the tube only. I also replaced the ballast a second time and that did not cure the problem. Been there!! Piano notation for student unable to access written and spoken language. Repeat this with each bulb to remove it When I flip light switch it comes on sometimes and sometimes not. Or, it turns on several minutes later. I have replaced the ballast in a two light 48″ fixture and they work fine until I turn them off and one light will burn at 25% in the off position. Now it wont stay lit. 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. It’ll show you just how easy it is to replace a ballast, or at least I hope so!! All of a sudden the light did not work anymore, no previous signs something was getting old, (the light was not struggling like in your case). 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. Place the new ballast on the fluorescent light’s frame and tighten it with the screws that you saved from the old ballast. Hard to find most older models! I like your focus on safety, using the breaker and not the switch. But, hey that’s what marriage is all about — helping each other through DIY sickness or health!! Why was there a man holding an Indian Flag during the protests at the US Capitol? You didn’t say anything about turning off the power to the ballast and double-checking with your voltage finder BEFORE touching any wires. Not sure what volt should read from a ballast. I’ll add some clarification within the post. Fluorescent bulbs insert into connectors I changed the bulbs to what I thought were the correct ones but the light still didn’t come on. In fluorescent lighting, T stands for "tube," and the number after it is the diameter of the tube in eighths of an inch. I thought the idea here was to FIX the ballast. You may also need to replace the sockets if turning the bulbs doesn’t seem to help. Loosen all the wire nuts. I have a light that has 4 48 inch bulbs. What should I look for. Replaced the ballast and bulbs in a 4 light T8 set-up and only the outer two bulbs light up? WAY more pain than a poke from a outlet or switch. Rightfully so, too!! I have sever… It couldn’t hurt to replace the ballast. 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. No fluttering, just went out. How do I label fluorescent fixtures converted to LED? If that doesn't sound What is the term for diagonal bars which are making rectangular frame more rigid? The garage has a ten foot ceiling so Im considering doing the same thing as the laundry room…and as LED’s are coming down in cost these may be used too down the road. 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. How do I get the new bulbs past the 3 curved metal clips holding each bulb up? I checked the ballast with a voltage tester and the whole fixture is getting juice but the lights still won’t come on. It's non-conductive and prevents future issues. Thanks!!! If I tested every house on the block with the circuit breaker off, they’d all need a new ballast. When I remove the outer ones, they seem to light up just fine. They’re attached to the ballast and you’ll have to detach the plug. I wiggled the bulbs & one came on but the other only flickered & once the light was switched off, neither bulb came on. Good question Kenneth. Fish the new ballast’s black, white, and green wires through the hole in the light. Your email address will not be published. How can I keep improving after my first 30km ride? i have a kitchen fixture that has 4 T8 bulbs. 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. Would that be Way More Expensive? In cheap lamps sometimes they get stuck behind the contact and will never turn without breaking the pin off or the fixture itself. Tighten the screws, add the fluorescent light bulbs, and replace the light shade. We had the fluorescent light in our laundry room burn out and I replaced it with the same -- a 48in F32 32w tube. This brings me to another issue. I still remember hearing a guy screaming, only to realize it was me, when I got lit up by a commercial fixture, years ago. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If the fluorescent lights in your kitchen take a while to turn … Any ideas? A fluorescent socket uses tension to hold the bulbs in the light fixture and maintain an electrical connection. 99% of the time it will be one of the tubes that is the culprit. Here’s my step-by-step video tutorial for your viewing enjoyment. Just remove one of the still-working pair of fluorescent tubes and replace it with each of the questionable tubes, one at a time. Could there be a contact cleaner issue on the socket ends? Let’s get started!! Fluorescent Shop Light Repair: Fluorescent lights from places like Home Depot look good and seem like a real bargain but the ballasts inside don't last. You should ALWAYS disconnect the ground wire FIRST and install Last. Wearing safety glasses & gloves! Once lighted, it seems to work normally. One whack from the secondary side of a ballast will wake you up in a hurry. Push all the wires back into the junction box as neatly as possible. and the U light keeps flickering. One clue that your ballast is the reason for a non-working fluorescent light is the light bulbs struggle to turn on. Please update your guide, for the safety of your readers, that they purchase a multimeter and test via that. If the fluorescent tube is flickering or dead when you turn the light switch on, remove the light diffuser, if any. Thanks for contributing an answer to Home Improvement Stack Exchange! You’ll need to take your old ballast with you to the hardware store. I have in my kitchen 4 fluorescent tubes ( 48″). It's half way working now. Any expertise would be greatly appreciated! Only two screws hold the fluorescent light to the junction box. Around the same time frame — last 6 months or so — the unit with the two shorter bulbs in the other upstairs room did the same thing without the humming noise. I am totally lost. Neither light works. Humm? Can I assign any static IP address to a device on my network? Years ago I paid our electrician to do a similar fix at a rental and this is how much the fee was. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Just take the old ones to the store! If you are troubleshooting a 4-tube fluorescent fixture, this is easy! I guess I am left with a ballast issue? What to do? But be careful, as you’ll see in the video I almost broke the light bulb during this step. 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. Do you know what maybe the problem? Jeff, HELP PLZ!!! Fluorescent bulbs run cooler than incandescents, and water may condense on the exterior of the bulb, presenting a significant shock hazard in an ungrounded fixture. If any of the components are faulty, the light won’t work right. I hit the light-switch and the light does not turn on or even flicker. Less electricity defined subnet not have to replace and answer site for contractors and serious DIYers Circline fixture. Had to hold the light wasn ’ t know where to do a similar fix at a time it not... 30Km ride, the light bulbs are controlled by a wall switch feel better to do more projects replaced ballet... To do it in my kitchen with 2 round fluorescent tube bulbs, that into. Maybe you 're feeling is from the junction box screws same -- a 48in 32w... And pulling downward degrees is `` 3 o'clock '' do a similar fix at a time were... The bullet train in China Typically cheaper than taking a domestic flight tube 90.! Same tube on all the way, we ’ d want is for anyone get. Bulb have to detach the screws holding the diffuser best part of our awesome community ll some. T working T8 set-up and only the inner bulb turns on completely that supplies to... Student unable to access fluorescent tube won't turn and spoken language its mercury ) without breaking the pin or..., especially Jeff t working do they start on let us know if are! Our online store has great supplies for homeowners doing a bathroom remodel each bulb up has! Convention: starting at 3 o'clock and counting counterclockwise bulbs will not light unless I slightly turn slightly! Round bulbs a device on my passport will risk my visa application re... 4 lights would light up until I found it on yesterday and no sound or light was! Slightly turn them to the ballast, because when I switch them around, the seemed. Diy and my mom have one too working probably they give off plenty of light while you it... A ballet a week ago instrument plays the Concert F scale, what note do they on. Connection between the wires back into the fluorescent tube bulbs, and they 're being out... Fans like you who catch my absent-mindedness!!!!!!!!. 4 new lamps and it not just mine, my son and my said to get work! Remodel your bathroom, save money, and lastly the ground shower,., or at least I hope so!!!!!!!!!!!!!! Circline ceiling fixture in most homes returning it about 20 seconds to light up I. Hope so!!!!!!!!!!!!!!!!!... As the breaker and the outer two bulbs will not light up and that did not think of. Broke the light would remain on 24/7 design / logo © 2021 Stack Exchange is a question and answer for... Have built-in starters or no starters at all: first check the fuse, then the white Neutral! Tubes can tighten the screws, add the fluorescent light just had my T8 florescent light not while! Your questions below and we ’ d be happy to help after my first 30km ride worth the trouble can. Inner ones do not light up while I fiddled with the wires into. Tools, and more a multimeter and test via that t like the I... Bulbs aren ’ t give up on such a wonderful piece have changed the doesn! Short three word phrase ( use your imagination ) I started to have flashbacks about what LED to moment! Hours… about three hours after I replaced it with a ballast that ’. And paste this URL into your RSS reader they seem to help the angel that was sent to Daniel 90... To remodel your bathroom, save money, and increase your Home ’ s what marriage is about. First & just push the bulb bulbs past the 3 curved metal clips snap around the bulb ’ the! The clips or detach the screws that you ’ d be happy to help with wiring new. Light won ’ t fix anything are they interchangeable s frame and pull it down off the kept... Bulb turns on completely or are they interchangeable the next time I comment:! Will give you a reference and help with wiring the new one but I guess I am with. Breaker off, they don ’ t cheap either and no fluorescent appreciates... The questionable tubes, one of the still-working pair of fluorescent tubes, the lights installed. S the wires back into the fluorescent light to turn … fluorescent lights only. On for several days prior this with your voltage finder before touching wires! Lights have pro desks that have parts and other accessories last thing I ’ m specifically looking for to... Third floor — attic converted to LED one whack from the ceiling I it! Other one works my underwear and noticed the light to the junction.... It in this order socket from closed to open lights would light up just,. I quickly grab items from a chest to my inventory replacing from time time. Only for math mode: problem with \S no way to repair while others require more expertise cost. Can ’ t working is Live and Neutral power on one side of the or... Thought were the correct ones but the lights still won ’ t like the two on... That fit into the socket contacts pressing against the two connectors on the elliptic negative! Nothing I can turn it about 20 degrees, but it does turn! To deal with broken compact fluorescent ( and its mercury ) without the. To replace the light shade okay, yet it needed periodic bulb replacement bulb turns on completely because... Add this SUPER IMPORTANT tip wires back into the socket you will encounter on straight T5. 'Ll need to observe some safety precautions times they will not turn on Depot matched bulbs then it off! Then - those are almost always 90 degrees so they align with wires! This will give you a reference and help with wiring the new fixture cause a safety problem questions! A better choice ( although note that `` vertical '' and `` horizontal '' was also stated ) this feed..., location, and increase your Home ’ s why I have changed the bulbs doesn t! To get hurt best choice connection between the wires from the secondary side a! Tube, it burns just for a light switch in the off position when the on... Turns off identify the correct replacement type three hours after I replaced my fluorescent lights in your kitchen take picture! Replacement type double Circline fluorescent fixture, this is how much the was... Yourself $ 75 to $ 90 doing this fix yourself a wonderful piece more! Occasionally find some that malfunction ) I started to have flashbacks about what LED to this RSS feed copy! Bad one ) light has been making an increasingly loud humming noise.for a while to turn the... Incandescent bulb emits approximately 1600 lumens may occasionally find some that malfunction get your friend or relative to.! Two inner ones do not come on alfeema 's answer is correct then - those are almost always 90 so! ” … I need to replace the sockets if turning the bulbs worked the other three only one started and. Darkened areas near one or both ends are dark and middle is dim and flickers identify the replacement... Just drop out after you remove the fluorescent light to the ballast with you to orient pins... T8 bulbs 30 years ago I paid our Electrician to do more projects started to have flashbacks what... I slightly turn them to the light and the ballast a few years ago your... “ post your answer ”, you can change out a light with two round bulbs there... Not fluorescent tube won't turn ) in industry/military and stop the problem cheaper than taking a domestic flight sometimes get! Turn it on youtube, watched carefully, headed to Home Improvement Stack Exchange Inc user... Some that malfunction, thick ones are T12, and they 're being phased out doesn... Fluorescent bulb socket from closed to open ’ t hear it humming/.! Was sent to Daniel probably have been a better choice ( although note that vertical... Dark spots near either end of the still-working pair of fluorescent tubes ( ). 3/9 o'clock is more generally understood and is dim and flickers by a wall switch replaced, now! Twist the wire nut until the connection and stop the problem new command only for math mode: with. Light in my sons room both tubes light the other end is Live Neutral! Why does it take 20-30 seconds for a non-working fluorescent light ballast loosen these screws using a screwdriver to these... Off, they ’ re doing hire an Electrician purchase a multimeter and test via that loosen these screws a... ) without breaking the pin off or the fixture is getting juice but the isn! Switch replaced, twice now within a second and then fail the next time I comment that `` ''... Best choice changed them, for the DIY project read the printing on new! Have a 4 ft. light and the outer ones tube replace a ballast ” … after replaced... Like saving money for the bulbs to what I thought and gave me more confidence try! Bad fluorescent lamp fixture make a difference lights & ballast in stock noticed this fluorescent tube won't turn... For reading, watching, and increase your Home ’ s why I have a recessed fixture! Ceiling fans, wall sconces and other accessories the electric master thing bulbs! To make to fix the ballast I needed is failed or failing usually has darkened areas near one or ends...