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Fluorescent light problem? ? ? Ray 07-04-2008
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Posted by Ray on July 4, 2008, 9:57 am
I have a string of three under-the-counter fluorescent lights.

The first one won't come on. It's not the tube, because when I replace it
with a working tube, it still won't come on.

Both ends of the tube get hot, but there's no light.

Any guidance or experience welcome.


Posted by Clark... on July 4, 2008, 10:23 am
Ray wrote:
> I have a string of three under-the-counter fluorescent lights.
>
> The first one won't come on. It's not the tube, because when I
> replace it with a working tube, it still won't come on.
>
> Both ends of the tube get hot, but there's no light.
>
> Any guidance or experience welcome.

replace the starter if it has one
looks like a little barrel and is aluminum, push and twist to remove it
Clark...
--
Don't you have Google in your part of the world?



Posted by RBM on July 4, 2008, 11:52 am

>I have a string of three under-the-counter fluorescent lights.
>
> The first one won't come on. It's not the tube, because when I replace it
> with a working tube, it still won't come on.
>
> Both ends of the tube get hot, but there's no light.
>
> Any guidance or experience welcome.


If it's a relatively new fixture, it won't have a starter, but it will have
a ballast transformer. Open the fixture, check all connections, if nothing
is loose, replace the ballast
>



Posted by Ray on July 4, 2008, 12:19 pm
I think that's what it is -- Iballast.

'll go to a lighting store as soon as they reopen after the holiday weekend.


>
>>I have a string of three under-the-counter fluorescent lights.
>>
>> The first one won't come on. It's not the tube, because when I replace it
>> with a working tube, it still won't come on.
>>
>> Both ends of the tube get hot, but there's no light.
>>
>> Any guidance or experience welcome.
>
>
> If it's a relatively new fixture, it won't have a starter, but it will
> have a ballast transformer. Open the fixture, check all connections, if
> nothing is loose, replace the ballast
>>
>
>


Posted by Bob M. on July 4, 2008, 2:09 pm
>I think that's what it is -- Iballast.
>
> 'll go to a lighting store as soon as they reopen after the holiday
> weekend.


Do the working units get hot? If so, you may want to consider replacing all
ballasts with electronic units. Most likely yours are conventional ballasts
that use transformers. They get hot, hum and flicker. Electronic units
don't. If you replace just the bad unit with an electronic one, the others
won't be as bright because electronic ballasts are more efficient, therefore
more light and less heat.


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