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 Audible humming / ticking in fit-PC3 
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Joined: Mon Mar 16, 2009 2:11 pm
Posts: 2352
Post Audible humming / ticking in fit-PC3
fit-PC3 emits a soft audible humming and ticking sound during operation. The sound level similar to that of a laptop hard disk.

The source of the sound is in the on-board switching power circuit. It is by design and does not indicate a hardware problem and has no effect on the long-term reliability or fit-PC3 therefore it is considered normal.

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Irad Stavi
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Tue Jan 17, 2012 7:12 am
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Joined: Wed Nov 16, 2011 9:54 am
Posts: 8
Post Re: Audible humming / ticking in fit-PC3
by design, so the next batches still contain the humming/buzzing ? :S


Tue Jan 17, 2012 1:11 pm
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Joined: Mon Mar 16, 2009 2:11 pm
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Post Re: Audible humming / ticking in fit-PC3
Yes, currently there is no plan to redesign the power circuit.

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Irad Stavi
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Tue Jan 17, 2012 2:44 pm
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Joined: Wed Nov 16, 2011 9:54 am
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Post Re: Audible humming / ticking in fit-PC3
hmm, too bad, that was my reason to buy a (quiet) fanless pc


Tue Jan 17, 2012 4:34 pm
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Joined: Mon Mar 16, 2009 2:11 pm
Posts: 2352
Post Re: Audible humming / ticking in fit-PC3
fit-PC3 is by far more quiet than a PC or a laptop with a fan.

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Irad Stavi
fit-PC forum admin

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Wed Jan 18, 2012 7:29 am
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Joined: Thu Nov 10, 2011 8:51 am
Posts: 14
Post Re: Audible humming / ticking in fit-PC3
Yes, it sounds like the little ticks of laptop hard drive seeking, but unlike a laptop HD, it doesn't ever stop doing it.

I understand that you consider this to be normal behaviour and that it doesn't affect the reliability which was certainly my initial concern, but if I can offer some customer feedback I would recommend fixing this problem. The noise is quite irritating when you're sitting close to the Fit-PC3. At 1 meter away it's louder than my Macbook Pro.


Thu Jan 19, 2012 8:55 am
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Joined: Tue Apr 28, 2009 12:14 am
Posts: 44
Post Re: Audible humming / ticking in fit-PC3
I have to agree with Mirumu on this. One of the big selling points if the FitPC3 is that it's suppose to be totally silent. There are many other small and power efficient computers that compete with the FitPC3. The problem with these competitors is that that have a fan to cool the CPU/case. If it comes down to choosing between a computer that clicks like a windup clock or the whirl of a fan, I'd probably choose the fan. I've been saving my pennies waiting for the second batch of FitPC3's, but this could be a deal breaker for me. Please track down the offending part and fix it.

Thanks,


Thu Jan 19, 2012 3:00 pm
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Joined: Wed Nov 16, 2011 9:54 am
Posts: 8
Post Re: Audible humming / ticking in fit-PC3
True, my htpc with several fans (controlled by speedfan) is less annoying than my fit-pc3. If I knew that, I bought a mac mini instead.

Anyway, besides the humming/buzzing I do like the fit-pc3 a lot!


Thu Jan 19, 2012 3:12 pm
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Joined: Thu Jan 19, 2012 5:02 pm
Posts: 2
Post Re: Audible humming / ticking in fit-PC3
I also was waiting for the second batch, but now I'm going to reconsider my decision to buy it. The only reason I want fit-pc3 is because it's supposed to be silent. What's the point to not have fans, if I am expected to listen to annoying HDD-like ticking. As a matter of fact I just bought a new SSD for my laptop for the very same reason - because I hate the noise and the ticking of my HDD. I waited almost a year to get your fit-pc3 and I have no plans to wait more, so give me exact answer. Do you consider fix it or should I go and buy other htpc. Thanks!


Thu Jan 19, 2012 5:14 pm
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Joined: Fri Jan 20, 2012 3:58 pm
Posts: 2
Post Re: Audible humming / ticking in fit-PC3
type following on your linux console:

perl -e '$a++ while 1' &

Ironically, fit-pc3 will be totally silent. However, fit-pc3 becomes hot. :oops:

Please redesign the power circuit. I hope you solve this problem.


Fri Jan 20, 2012 4:17 pm
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