Fluorescent Lamp Requires Wall Switch To Be Cycled Several Times Before Lighting. - Electrical - DIY Chatroom Home Improvement Forum


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Old 09-03-2008, 03:37 PM   #1
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


I have a ceiling fixture with two 48in. flourescent lamps and a ballast. The fixture requires the wall switch to be cycled on and off several times (as many as 10 times) before the lamps will light. It appears that the lamps are trying to light, as I can see faint light at the ends of one of the tubes. Actually, this fixture is the second one I installed, as I had the same problem with the first one, and thought it was the fixture). Could I have an electrical problem with the wall switch or the wiring? Appreciate any ideas.

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Old 09-03-2008, 04:18 PM   #2
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


First thing to check is if the fixture is properly grounded. An improper or no ground will give the symptoms you describe.

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Old 09-03-2008, 05:00 PM   #3
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


Thanks, I'll check that first.
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Old 09-03-2008, 05:27 PM   #4
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


Next, Check Bulbs. one bad bulb will make them both go out unless you have an electronic balast
Then, Check to see if you have a bad starter. If it has one, it will be about .5inch round and 2inches long
Finally, Throw it away and buy a new because it is probably your ballast and they are as expensive as the light is
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Old 09-03-2008, 11:42 PM   #5
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


The switch might be 'old and worn'...it's usually in the wiring connections, ground, or the light fixture...but sometimes the switch is worn and not making a good contact.
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Old 09-04-2008, 09:48 AM   #6
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Fluorescent lamp requires wall switch to be cycled several times before lighting.


If you simply turn on the switch and leave it on, what happens. Does the fixture eventually light?

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