I just received one that I had ordered 2 days ago. The light does not work with the replacement ballast. Is there a way to test the replacement?
912059
I don't know but the one I had that was no good it had a bad smell and when it burnt out it also burnt out the bulb
82150
What's the problem? Not coming on? If so switch the ballast and see if that fixes it then you will know if it's the light or the ballast
856777
I've installed this ballast once before and it has worked for about 3 yr. I just received another one, and I noticed that it specifically states that it not for use with dimmers. Go figure. I don't know what else to use, though. Unfortunately, the new one doesn't appear to work at all.
1749927
Ballasts do not determine kelvin temperature (or the color of the light)......it's the bulbs :-)
1897672
My light recently stopped working after 2.5 years of daily use. I replaced the bulbs but that did not work. Usually this is a sign that the ballast needs replacing. I can't find it however even after removing the ends and looking down the tube. Before I take it apart any further I'd like to know if anyone else has done this repair successfully. I contacted Hydrofarm. I have not yet heard back. Here is there support page: https://www.hydrofarm.com/support
1372777
I'm not sure the LED is replaceable but there should be a driver inside the back of it similar to a ballast on a flouresent fixture might be the problem.
1093065
Changing the circular bulb is one thing. Getting and changing the ballast quite another. I would suspect that the cost of replacement may be close to the cost of a new mirror. Doing it yourself is not always successful and therefore you could loose your entire investment and the time. Get a new mirror.
1034219
Check to make sure you have power to you light fixture. Your ballast needs to be replaced.
1136236
I ordered a pair and when they got to me one did not work. If the red light in the lamp does not come on after everything is hooked up correctly and you have charged it for several hours, the light is probably defective. I notified the seller of the defective light and received a new one within a few days, no cost.
1810634
Mine went into a special outside light fixture with a light sensor but I'm not sure if it has a ballast in the fixture or not.
1472771
i had no issue with it working the flourescents i had a pair of them and it works great. your mileage may vary. also my flourecents used the newer ballast system instead of the old style.
978810
Contact instructions for customer service were included with our kit; I sent an email to customer service and got a phone call back. They sent me a replacement light. We use a different light fixture with this tank though...
1161192
This is a good ballast unit. I haven't had any trouble with mine, however it is something that can break down. The fan needs to be on to cool the unit. Have you plugged in the light swvith? The plug goes right in the front . If after you plug in your unit and it does not work you need to call the company you bought this from and ask for a replacement. Hope this helps
1681910
Sounds like either the bulb or the ballast is going bad. More then likely its the ballast, but double check all your connections and make sure you use some dielectric grease on the connections. After that you could try switching either the ballast or the bulb to the opposite side and see if you still have the same problem. The problem should follow which ever part is bad.
1214825
Not sure does your cfl have a built in ballast. I tried plugging in my bulb but no light. Turns out the bulb I had didn't have any electronics inside like most standard cfls
1034217
Your ballast and capacitator need to be replaced. Although the lamps last forever, the current manufactuers of ballast are junk. Best to replace whole light as cost to have someone replace ballast is probally more than cost of new light unless you have a friend who's an electrician. I have had to get three replacements in last 22 years. The last two only lasted 4-5 years a piece. Neighbors have same problem. Hopefully you can get your money back for the bulb and photo cell.
221856
I had the same problem. The supplier replaced without issue under Prime. New light works fine, and very bright. FYI that it's magnetic, and there is a ring that holds it in place, so make sure it's assembled corrected direction.