I recently purchased a innokin Cool Fire 1 and It arrived in the mail yesterday. I set it up and noticed no problem with it. Everything seemed to be working fine. Today I used it and notice a somewhat loud buzzing noise coming from the unit. I thought it may be the atomizer but after trying another, the sound persisted . I've heard this referred to as "the rattlesnake effect" and "Pulse Width Modulation." Is this normal or should I considering sending the unit back while it is still in the warranty period? I've noticed no change in flavor reproduction or vapor.
Cool Fire 1 Buzzing Sound Question.
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Do you hear the sound without an atomizer attached? If so, it's a bad unit, and you should send it back asap.
As for rattlesnaking, that's not quite what it is. Rattlesnaking is the sound from the coil because the mod turns on, then off, then on, then off, creating a very rapid *tss* *tss* *tss* *tss* sound as the juice starts to vaporize, then off, then vaporize, then off. Not really a buzzing sound.
If the buzz sounds electrical, and not like juice cooking, then you've definitely got a bad unit.
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Just out of curiosity, what battery are you using in it?
As for rattlesnaking, that's not quite what it is. Rattlesnaking is the sound from the coil because the mod turns on, then off, then on, then off, creating a very rapid *tss* *tss* *tss* *tss* sound as the juice starts to vaporize, then off, then vaporize, then off. Not really a buzzing sound.
If the buzz sounds electrical, and not like juice cooking, then you've definitely got a bad unit.
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Just out of curiosity, what battery are you using in it?
I do not hear the sound without an atomizer attached. I'm using a Efest IMR 18350 LiMn 800mAh Button top.
Yes. I hear it the second I press the button (while an atomizer is attached) until I release.
I'm using the included iClear 30b tank. I changed the atomizer head and the sound still persisted.
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Hi,
I don't know how it is with e-cigs/mods, but with flashlights, when it's audible, PWM sounds more like a "whining" or "whistling" sound, to me, at least. What the PWM is is that the microcontroller is controlling the amount of power by flipping the current on and off. If the rate that the "flipping" is happening is relatively slow, then it can cause audible sound.
I don't know how it is with e-cigs/mods, but with flashlights, when it's audible, PWM sounds more like a "whining" or "whistling" sound, to me, at least. What the PWM is is that the microcontroller is controlling the amount of power by flipping the current on and off. If the rate that the "flipping" is happening is relatively slow, then it can cause audible sound.
Hmm. I would compare this sound to the ring of an electric razor to a MUCH lesser extent.
Hmm, I have to admit I'm kind of stumped. I have 3 iClear 30Bs and I've never had that problem with any of them on any mods I've got. I'll be getting my Cool Fire 1 tomorrow though, and I'll let you know if I run into any problems like this.
Just for clarification, go to this video... http://youtu.be/tqCybiDn_Y8?t=3m6s
At the 3:10 mark you hear what we refer to as "rattlesnaking". Is that what your device is doing?
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Edited link to get to the point of the video where you hear the rattlesnaking.
Just for clarification, go to this video... http://youtu.be/tqCybiDn_Y8?t=3m6s
At the 3:10 mark you hear what we refer to as "rattlesnaking". Is that what your device is doing?
[edit]
Edited link to get to the point of the video where you hear the rattlesnaking.
No that's definitely not what my device is doing aha. I do appreciate all the help greatly though! I hope you do not run into any problems with yours as it is a very neat looking little mod. Thanks again.
I'm not sure as the sound is much more audible from the bottom of the unit than from the top of the atomizer. It's most audible from the vent holes.
The sound you are hearing is the PWM function of the chip in your battery setup. It should be a consistant buzzing sound as long as you are pressing the button on the battery assy. If you place your teeth on the mouthpiece and apply a slight bit of pressure, the sound should get a bit louder due to direct transfer thru the "boney" part of the teeth,jaw,skull....
The sound you are hearing is normal for PWM units... on a rare occasion, the cycling can be nonharmonic and be nearly silent...
It is not the atomizers coil making the sound... I had placed a hi watt 2 ohm carbon resistor on my SVD and tested it for the PWM rattle. It still made the sound even with a carbon resistor, thus making the coil myth just that.... a myth
The sound you are hearing is normal for PWM units... on a rare occasion, the cycling can be nonharmonic and be nearly silent...
It is not the atomizers coil making the sound... I had placed a hi watt 2 ohm carbon resistor on my SVD and tested it for the PWM rattle. It still made the sound even with a carbon resistor, thus making the coil myth just that.... a myth
After some research that was the conclusion I was coming to. I don't really notice a volume change when I bite down but the sound is a bit faint so there probably is a difference, I'm just not noticing it. Thanks for the input. I really appreciate all the help everyone.
Well, got my Cool Fire 1 in today and have been using it for a couple of hours without hearing anything, then I remembered this thread. I can hear the electric buzzing sound if I put the device right up to my ear, but otherwise I don't hear anything.
You can hear the electric buzz all the time?
You can hear the electric buzz all the time?
Thanks for letting me know. Mine was very audible even from a good distance. I sent it back yesterday for replacement. Must have been a bad capacitor or something.
I can hear the PWM in mine, but it's a very faint sound. I heard some people are more sensitive to it than others. I'm surprised I can even hear it, loud music and race cars from my younger years have about ruined my hearing.
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