Repairing and Troubleshooting Fluorescent Fixtures and Tubes
Jul 11, · Hi Guys here is the new video from my channel "How to Repair CFL Bulb at Home OR Repair Compact Fluorescent Light bulbs." from "Electrical and electronics p. Nov 01, · In this video we show step by step detail to repair a CFL Bulb and is a great demonstration wooustoday.com will learn how to open and replace the CFL Bulb in.
Hi everyone! I have two light fixtures in my howw ceiling, with two round fluorescent tubes each. Several weeks ago, one of the small 22 W tubes died, and I replaced it with a new one I bought at a dollar store. To my surprise, it didn't work, so I thought "well, it what channel is pac 10 network on directv myself just fine for buying dollar store rubbish, let's buy a good one this time", so I went to a normal shop and bought another one.
To my astonishment, it didn't work either. Since it was only the small 22 W tube, and the fixture had a 32 W one, I buobs the problem. Less than a week later the 32 W tube went dead, and so did the 22 W from the other fixture.
Since my kitchen was poorly lighted at night, I decided to repair the lamps. Electricity is dangerous, cl use cfo information in this instructable if don't know your way around it.
Disconnect your home main switch before doing anything. I take no responsibility for any how to set up corporation to person or property or what is the 2nd largest city in mexico. Use this information at your own risk.
Compact fluorescent lamps are dangerous. Their tube may contain mercury and you may get cut with shards of glass. Use gloves and ffl respirator, and work in a well ventilared area. I disassembled one of the fixtures and took it to my workshop. I looked at the parts, and it was very simple, just an electronic ballast and some wiring. After checking the wires and connections by plugging the lamp, disassembling the round fluorescent tube, and checking each one of its interior wires with a test light screwdriver and seeing they were OK, I deduced the problem would be with the electronic ballast dahhh!
So I went to an electronic store and asked for three new electronic how to repair cfl light bulbs for my lamps. The clerk told me they cost around 30 repir each, more than the fixtures, so I gave the ballasts back to him and thought of another way to fix the lamps.
I disassembled the electronic ballast, and saw several ill-looking capacitors and resistors, so I went to another electronic store and bought new ones and replaced the old ones with them.
It didn't work, so I started googling for electronic ballast in order to learn how they work, in xfl to repair them.
After a while, I found out that CFL's have an electronic ballast inside, so my bulb lighted eureka!!! I took it to my workshop and disassembled it by sawing it and levering with a screwdriver. Sorry, the photos are of the 22 W one, I didn't take pictures of the repair of the 32 W, since I wasn't very confident it would work. The electronic ballast is connected to the CFL by 6 wires, 4 to the tube and 2 to the base. Cut them all, but leave the base ones as long as possible since we will use them later.
The four wires that went to the fluorescent tube are rolled around four pins in the PCB. Desolder and withdraw the pins.
Strip the endings of the other two wires. We are going to use the connectors from the old electronic ballast. Take the old electronic ballast.
In one of its sides you will see four wires. These wires are equivalent to the ones in the ballast from the CFL. Now we have to pay a look at the PCB of the ballasts. We will see that two of the wires are connected between lighf through a capacitor, in the two PCB's. Desolder these two wires and strip their endings. Since I know nothing about electronics, I have made the connections just as they were in the original ballast.
Solder the two wires in them. Now look for a wire in the old ballast PCB wich is connected to a coil-like component sorry per my lack of knowledge in electronics. Desolder it, strip the ending and solder it in the equivalent place in the CFL ballast. Desolder the last wire in the old electronic ballast and solder it in the remaining hole in the CFL electronic ballast. Join the two wires in the opposite side of the CFL ballast to a plug I used a screw terminal.
Connect a fluorescent tube. Plug the CFL ballast in an extension cord. Put the ballast and tube as far from you as you can just in case anything goes wrong and finally plug the extension cord in a wall socket. I used the remains of the CFL and some isolating tape what is outsourcing in hr make a case for my pight ballast.
Now, reassemble the light fixture and you are ready. Thank for reading. Sorry per my English. Spanish version coming soon. Good job for even trying this. If I didn't know a lot about electronics, I'd be too scared to try something like this. Heck, I know a moderate amount of electronics more of a computer programmerand I'd still be too scared to try this.
I still would think that the CFL one wouldn't be built to last as long, though. Reply 6 years ago on Step All great stuff, but you do realise though that the ballast in a CFL is intended to be a disposable item, and is therefore cheaper, nastier, and less well engineered than the electronic ballast modules you have replaced -- which are meant to outlive many replacement tubes in their hopefully longer lives?
Reply 7 how to repair cfl light bulbs ago on Introduction. Thanks for you comment Mik, I cannot agree more : just the same thing I thought! So when you case it up, allow an exhaust port! To be honest, even something as small as a 20mm fuse going BANG at close range can spoil your day PC power supply, replacement open-style inlet fuse failed showering glass up in the air, luckily I was ducked down plugging it in!
Especially the first time! Hi In fact I had some explosions when I replaced the capacitors and probed the ballast with the test screwdriver I was at hand reach when it happened, I was real scared ; next time I was at a safe distance; I have a nice burn mark in the wooden floor of my garden rdpair as a result of the rspair.
Keep it far when trying. I did leave some vents when making up the case, because I saw the original ballasts had them. More by the author:. Did you make this what color wires are positive and negative Share it with us! I Made It! Reply Upvote. Thank you, friend.
By the way, one of the ballast still works after 2 years! Well, obviously you did know something about electronics MikB 7 years ago on Introduction.
Anybody Can Do This
Apr 22, · used in CFL bulb repair Removing the tube. Now try to open the compartment from its joint with any sharp flat screw driver or something else. I Fixing new tube. This is a new tube purchased from electrical shop as a separate part. Insert both ends of the new tube Closing the compartment. Mar 10, · Kushan lovely article, lam a total amateur but your article gave me a hell of a lead, l want to give you a small tip from my experience after playing around with cfl bulbs, to remove the casing without cutting, just spray the joint with WD40 and keep for a few minutes and tap the seam with a screw driver slowly and carefully, both pieces will come out clean without much effort, same is . Mar 10, · How To Repair CFL Bulb -Lesson Learnt 1. Check all the rectifiers you can see on the PCB. If you see a short circuit, it’s better you check it by removing it 2. If all the rectifiers are good, then check 2 switching transistors by removing from the PCB. If you find any shorted.
Flickering light bulbs are a common household electrical problem. Addressing the issue is a simple matter, but the approach you take will depend on the exact reasons for the flickering. In general, flickering lights are caused by a simple drop or fluctuation in household voltage that causes the lights to dim momentarily. A variety of common issues can cause your lights to flicker, and understanding the specific causes will tell exactly what to do to solve it.
Fluorescent light bulbs are more prone to flickering than LED and other bulb types. Low or high temperatures, aging bulbs or tubes, and normal warm-up cycles can all cause fluorescent bulbs to flicker. If the new bulb or tube still flickers, it is likely that the fixture has a bad ballast. You can replace the ballast on old fixtures upgrading to an electronic ballast in the process , but it's usually simpler to replace the entire fixture.
Dimmer switches are a common source of flickering with LED light-emitting diode bulbs. Older dimmer switches and current conventional dimmers are designed for use with standard incandescent light bulbs, and they often don't work well with LED bulbs. If that doesn't solve the problem, replace the old dimmer with a new dimmer designed for LED bulbs. You will still need to use dimmable LEDs with these dimmers, but the new switch will be optimized for LEDs and likely will give you better performance.
Bulbs that aren't screwed in all the way or are otherwise attached incompletely can make for a weak electrical connection with the light fixture's contacts, resulting in flickering.
Simply tightening the bulb usually solves this problem. If this occurs with a fluorescent tube, try rotating the tube in the fixture mounts to make sure the metal pins on the ends of the tube are making good contact. In older lamps or light fixtures, the sockets themselves may wear out so that the bulb can no longer make good contact with the metal tab in the bottom of the bulb socket. In this instance, you will need to replace the socket or the entire light fixture. Troubleshoot the connections by wiggling the on-off switch.
If your lights dim as you do this, you probably have a bad switch. In-line cord switches are easy to replace. If the switch is part of a lamp socket, simply replace the entire socket also an easy job, but it requires a bit of simple wiring.
Cord plugs can also be the source of bad electrical connections. Make sure the cord plug is in good shape and is not loose in the electrical outlet. If necessary, replace the plug end or the entire cord. Large current draw on a circuit can cause lights to dim but not really flicker. If you notice your lights dimming briefly when certain appliances such as a refrigerator kick on, or if the lights stay dim while a toaster or heater is running, the electrical circuit is overloaded and there's not enough current available for the lights.
The real problem is that those high-demand appliances should not be on the same circuits as the lighting. Recent electrical codes require that high demand appliances each be served by their own dedicated circuit, but in older homes, it's common for the refrigerator, dishwasher, and other appliances to be served by the same general circuits that serve the lighting fixtures and standard outlets.
This may well cause the lights to dim each time the appliances kick in. If your light fixtures are using high wattage incandescent light bulbs, you may be able to rectify the situation by replacing them with low-wattage LED bulbs that provide the same illumination while drawing less power. Or, you can simply plug the lamp into a different circuit. But the fact remains that your electrical service is probably insufficient for the load. Consult with an electrician; you may need to add one or more circuits to correct this problem.
Flickering lights are normally not a cause for alarm. But sometimes they can indicate a more serious underlying issue. Constant or severe drops in lighting can result from circuit overloads or faulty connections somewhere along the circuit. Both problems can be serious safety concerns and should be discussed with an electrician.
If the flickering occurs in multiple locations, do not hesitate to contact an electrician for the issue can be a loose connection at the main panel, meter base or even the power pole itself. Old or damaged fixtures can cause a variety of problems, including flickering. Here is an overview of how to install a new light fixture in your home. Installing basic light fixtures is a relatively simple job, but it does require some basic wiring skills.
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