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Author Topic: How To: Fix Rattling Fan Noise on BFL Single  (Read 1672 times)
mrb
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July 28, 2012, 07:47:51 AM
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Some BFL Single units make a rattling noise. This is in the majority of the cases caused by the smaller fan (enclosed in a copper/silver heatsink) that is touching the case. One very easy solution to fix the problem is to insert 4 screw washers between the bottom standoffs and the bottom side of the PCB, in order to increase the headroom between the fan and the case. I myself fixed 3 of my 10 units this way:



I can sell you some washers since I have plenty extra. Email me at m.bevand@gmail.com. I can mail (US only) 8 washers (enough for 2 singles) for 1 BTC.
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RoloTonyBrownTown
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July 28, 2012, 08:01:40 AM
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What?   Just go to the local hardware store and buy some for about 10 cents.

Sheesh, anything to make a buck Cheesy

WhitePhantom
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July 28, 2012, 05:46:46 PM
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What?   Just go to the local hardware store and buy some for about 10 cents.

Sheesh, anything to make a buck Cheesy
At least it's good info.  I figure if anybody gave him a BTC for the washers, it'd be more like a tip for the help than anything.
bitcoindaddy
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July 30, 2012, 06:33:28 PM
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I think BFL just got some free engineering advice.
CrazyGuy
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July 31, 2012, 03:27:47 AM
 #5

I had to do the same with mine. My rig already had a nylon washer between each the front 2 spacers. I added 4 all together and the fan is no longer hitting the case. I suppose I could have just bent the case out a bit to accomplish the same thing. One thing to note, any more than 2 nylon washers and you will probably not be able to get the USB and power jack lined up.

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rgenito
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August 02, 2012, 04:22:23 AM
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i tilted mine on its side...no more rattling Smiley

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August 03, 2012, 06:52:49 AM
 #7

I just noticed mine was rattling today... perhaps the fan started making noise at a similar time for all of us   Grin

Also I believe somewhere the BFL guy said that it was ok to work on the fans as long as your were careful (ie not voiding warranty).
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