My bathroom light stopped working, so I changed the fluorescent out with a new one, but still it doesn't work. It only glows on one end after I touched it with my bare hands. What do you think is the problem?
By edylc from Hong Kong
Please be sure to rate the answer which works best for you. Do you have a better answer? Click above to answer this question.
Have you tried changing the starter unit? That's the small cylindrical thing about one-and-a-half centimetres diameter across. If that is not giving a high enough charge to gas in the tube, it will not light properly.
The fluorescent light in my kitchen does not light when I put the switch in the on position. When I put the switch in the off position and put a black (hot) insulated wire on the terminal screws, the light was on. I replaced the switch but the light did not operate. What might be wrong?
If you don't know what the starter is or located go to your local hardware store and ask someone in the electric dept. They will show you what it is and where it is located.
As mentioned elsewhere in this thread, the starter could be the problem. If replacing that doesn't fix it, then you need to replace the unit entirely.
Thrifty Fun has been around so long that many of our pages have been reset several times. Archives are older versions of the page and the feedback that was provided then.
|My fluorescent light fixture is not working. When I first replaced the bulbs, I noticed that the new light was dimmer than it had been. In the next couple of weeks, I noticed that the light kept flickering. Now it is much dimmer. |
|RE: Fluorescent Lights Not Working||07/14/2005|
|Assuming that you HAVE tried re-seating the tubes to make sure that they are indeed properly seated, that sounds like a bad ballast. |
Unless you are reasonably comfortable messing with electrical wiring, it's best to get an electrician to change the ballast. However, it's not really that difficult if you follow the instructions one step at a time.
1) Purchase a new ballast for that type of fixture
2) Arrange for good lighting up where the fixture is.
3) Test that lighting and make sure it stays lit when you turn the bad fixture off.
4) Arrange for a ladder or a table to stand on to comfortably reach the fixture.
5) Arrange for a helper to steady the ladder and to pass pieces to
6) Turn the bad fixture off and remove the tubes.
7) Unscrew the metal safety cover and remove it.
8) Draw a diagram of the wiring that you see.
9) Make sure that the ballast is an exact replacement with the same numbers and colors of wires.
10) Loosen the screw or wing-nut that holds the ballast and just let it hang by the wires.
11) Attach the new ballast securely
12) One at a time, switch the wires from the old to the new ballast
13) Double-check the wiring with your diagram
14) Make sure the little hat type connectors are good and tight and that you can't pull them off.
15) Replace the safety cover
16) Install the tubes and plexi-glass cover
That should do the trick.
My 2 bulb fluorescent light (one of three fixtures) in the kitchen was working. Then it would light and shut off, then light up again, then shut off. Now when I turn on my kitchen lights that fixture does not light at all. The bulbs have power to them, but are not lighting. I have tried to replace the bulbs. No luck. The fixture is almost 20 years old. Do I need a whole new fixture? Is this the same as replacing a ballast? Thank you for your help.
Karen from Orlando, FL
If none of that helps, draw a diagram of how the wires from the ballast are connected. You can draw it with a felt pen on the inside of the enclosure that holds the ballast. Then get a new ballast. If you can't get the old one out without taking the fixture down, see if you have room to put the new one in beside it. Mark where the screw holes need to be, then drill a 1/8 inch pilot hole and run a self tapping sheet metal screw or a wood screw into the holes. Use the square socket (Robertson) screws like the electricians use. They are much safer.
Cut the wires from the old ballast about an inch from the ballast, so that you can still see the colors. Once you have prepared the mounting holes, attach the new ballast, and connect the wires according to your diagram. Have FUN! DearWebby http://webby.com/humor (04/17/2006)
Answer: If the bulb, ballast and starter have been replaced, the only thing left is a mismatch between Rapid Start and Instant Start. All three have to be of the same type. If Rapid Start tubes are no longer available locally, it will be easier to just replace the whole fixture. (04/08/2008)
My fluorescent light is not working. I replaced the 2 lights, but it is still not working. Only the ends of the bulbs flicker with light. I have verified that there is good power. What do you recommend?
By Jam from Phoenix, AZ
I thought my bathroom fluorescent light bulbs had simply burned out one day. We purchased new bulbs, but it was the same. I thought it was a bad set of bulbs, so we bought two more, but the same thing happened.
You can see that the electricity is getting in there, the bulbs just don't want to light up. Is there something wrong with my fixture (even though the juice is obviously getting in there) or is there something I can do to clean the connectors?
By Allison from Honolulu, HI
So that leaves the starter, not all fixtures have them, but if yours does it looks like a miniature tin can and twists into a socket. They are usually available at hardware stores for under $5, but make sure you get the correct replacement, there are several different types for different types of lamps.
The last thing would be the ballast. It is fairly easy to replace if you have some electrical skills and can be bought at some hardware stores and most lighting stores. For a small type fixture it should cost under $15. (04/10/2010)
Add your voice to the conversation. Click here to answer this question.