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Old 12-08-2005, 11:48 PM   #1
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light bulb problem for my aquarium...

i have a pair of lights that are 55W/10000K each. it just went out yesterday so i went to the fish store and they only hadd one bulb left - so i just bought one. well, before i plugged in the new one i tried turning the old ones on, and it worked - but only for about 2 minutes. then it would turn off again. if i waited a few minutes and turned it on, the light would stay on for a few minutes. so i put the new bulb in testing both of the old bulbs with it, and got the same results. anyone know what could be wrong? do i just need to buy another new bulb?
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Old 12-08-2005, 11:53 PM   #2
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If the bulbs light fully, I would say that it has to be the ballast not the bulbs. check the ballast ot see if it is having any problems. It may be overheating or have some other fault. Be carefule, you do not want to start a fire!
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Old 12-08-2005, 11:57 PM   #3
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I agree with MMM, The ballast, depending on what type, could have a bad capacitor. If it can't hold the juice for supplying the load to the bulbs, it will shut off.. There is no easy way to determine this, and it can be very dangerous. If you know an electrician, you could have them look at it. Otherwise, you might have to purchase a new one.. You may even have it covered under warranty with the manufacturer.
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Old 12-10-2005, 12:51 AM   #4
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the bulbs do light fully, so i guess it is the ballast. but one problem - i have no idea what a ballast is.
can you guys describe what i have to look for?
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Old 12-10-2005, 04:10 AM   #5
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follow the wires from where the bulbs connect to a box....check the connections on this box. The box would be the ballast.
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Old 12-11-2005, 08:33 AM   #6
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ugh.. is it the Jebo in your profile?
they seem to have ballast problems
if you did buy it recently try to get with the retailer for a repair or replacement..
I still havnt seen someone double check the wiring to the ballast to see if that's the problem these things have or if there just shipping the units with low quality ballasts..
HTH
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Old 12-11-2005, 05:41 PM   #7
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Quote:
Originally Posted by greenmaji
ugh.. is it the Jebo in your profile?
they seem to have ballast problems
if you did buy it recently try to get with the retailer for a repair or replacement..
I still havnt seen someone double check the wiring to the ballast to see if that's the problem these things have or if there just shipping the units with low quality ballasts..
HTH
if you can tell me what to look for and how i can fix it, i can double check the the wiring to the ballast to see if theres a problem or if its just really low quality.
i asked the LFS that i it bought and he said that he would replace it for me but it will take about 2-3 weeks to receive from the manufacturer.
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Old 12-11-2005, 07:28 PM   #8
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if he is going to replace it then DO NOT take it apart. If they see it was messed with Im sure any warranty will be void.
And if you don't know where the ballast is I dought you will know how to fix it. Try and borrow a light from a firend while you wait.
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Old 12-11-2005, 08:22 PM   #9
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if he is going to replace it then DO NOT take it apart. If they see it was messed with Im sure any warranty will be void.
Definitely
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Old 12-22-2005, 03:17 PM   #10
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did you contacted the seller for a replacement?
hope you tried that first..

otherwise.. I do answer my email.. :P
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