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CFL making weird noises after EOL?

CFL making weird noises after EOL?


When I turned on the switch, it went out and its making a weird noise from the ballast. Which is rare for a CFL to do that. Its not fake its real. It really is making noises when you turn it on.

IMAG0892.jpg IMAG0889.jpg youtube_P0KOpNEp2bc.jpg IMAG0872.jpg

Light Information

Light Information

Lamp
Lamp Type:CFL
Electrical
Wattage:13w

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Album name:lightinglover8902 / Misc. lighting (photocells & other types of lighting in my area)
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Date added:May 10, 2018
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May 10, 2018 at 06:33 PM Author:
It's like a *hissing*.
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May 10, 2018 at 06:53 PM Author: High Intensity
I've had this happen a few times with some CFLs, i think it might be the CFL driver trying to run the lamp after one of the cathodes has gone open (i'm might be wrong about it).

Old lighting is, and will always be, the best lighting.

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May 10, 2018 at 08:45 PM Author: lightinglover8902
Not to mention that one of the recessed BR40 CFLs is also out, once I turned on the switch, just like this one too.

Its weird that when a CFL has too much use, once you turn on the switch, it makes a sizzle and pop from the cathodes. Sometimes smoke up and catch on fire! I'm glad this one didn't catch on fire.

Save the Cooper OVWs!! Don't them down by crap LED fixtures!!!

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May 10, 2018 at 11:11 PM Author: dor123
I don't hearing any special noise from the lamp in this video.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

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May 11, 2018 at 12:58 AM Author: Ash
If the tube is involved in any way, there would be light : Either along the tube, or glow of the cathodes, or slight Blue glow across a broken cathode

So it is not the starting/resonance cap (that is after the tube) and not the choke (that is in series with the tube)

I think it could be either the ballast running at "no load" or partially shorted (into some blown component), or the electrolitic capacitor venting out
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May 11, 2018 at 01:04 AM Author: High Intensity
@Ash: If it was the electrolytic capacitor, then there would be smoke coming out of the CFL.

Old lighting is, and will always be, the best lighting.

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May 11, 2018 at 01:59 AM Author: Ash
The smoke of the capacitor is in part gases and in part steam of the electrolyte as whole, which is Water based. The gases such as Hydrogen, etc are invisible. The steam, if in very small quantity, could maybe too not be visible

Can you open the CFL and check ?
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May 11, 2018 at 06:31 AM Author: lightinglover8902
Can you open the CFL and check ?


I'm not going to open this thing, it has mercury.


I don't hearing any special noise from the lamp in this video.



@dor123, if you listen closely its the ballast in this bulb making a weird noise, other than 60Hz noise when the lamp is working.

Save the Cooper OVWs!! Don't them down by crap LED fixtures!!!

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Jun 02, 2018 at 06:51 AM Author: suzukir122
Definitely a broken filament in this case here. I've had this happen so many times in the past with
certain CFL's, though not all. This isn't the kind of CFL that will exhibit violent EOL characteristics,
like with resonant start CFL's.
With these kind of CFL's, when the filament glows hot and melts apart, that's when the lamp shuts off. The
result has always been this high pitched whine... some louder than others. That's all I know... but I am curious what the sound
actually is as well

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