Trubble with my YS Tech 70mm TMD fan...

Kevin · 01-24-2003, 05:02 AM

My fan works great and I like how it is quiet. HOWEVER, when the computer first starts the fan jerks a little and won't spin til I tap it. Once i tap it with my finger, it's fine. This pisses me off and because i'm wary of it not spinning up on its own, I can't put the last wall of my case on. Anyone have any suggestions?
-Kev

BrianW · 01-24-2003, 09:12 AM

It sounds like it isn't getting enouph voltage to start turning on it's own. A common symptom of an undervolted fan. Do you have a rheostat on it, or are you undervolting the fan? If so just keep it on high until you turn on ur computer, then throttle it down when it turns on.

Brian W

N8 · 01-24-2003, 10:32 AM

There is a common problem with the first revision of those fans. I have one too that has this problem. The metal case shorts out the windings in the corners if you use metal bolts OR if you tighten the thing down too tight. You can slip a piece of electrical tape under the casing/above the windings in the corners and/or you can use nylon bolts and don't tighten it as much.

Some of them also had a problem on startup of needing to draw too much current and burning the leads or the motherboard fan header. I would use an adapter and attach it to a regular 4 pin power connector to be safe.

01-24-2003, 05:02 AM	#1
Kevin Slacking more than your weird uncle Join Date: Nov 2000 Location: San Diego, CA (UCSD) / Los Angeles, CA (home) Posts: 1,605	Trubble with my YS Tech 70mm TMD fan... My fan works great and I like how it is quiet. HOWEVER, when the computer first starts the fan jerks a little and won't spin til I tap it. Once i tap it with my finger, it's fine. This pisses me off and because i'm wary of it not spinning up on its own, I can't put the last wall of my case on. Anyone have any suggestions? -Kev __________________ I used to throw hot coffee all over the ass of the horse there, then whip him while he was kickin' at me. Those f***in things are crazy.

01-24-2003, 09:12 AM	#2
BrianW Cooling Savant Join Date: Jun 2001 Location: Desert City in California Posts: 631	It sounds like it isn't getting enouph voltage to start turning on it's own. A common symptom of an undervolted fan. Do you have a rheostat on it, or are you undervolting the fan? If so just keep it on high until you turn on ur computer, then throttle it down when it turns on. Brian W __________________ Water Cooled Inwin Q500 (Dual Rads: Rad1 = DTEK Pro Core \| Rad2 = Blick Ice Estreme, Hydor L30, Dangerden Maze2, Bay Res Typhoon Reservoir, 1/2 " DD Tygon Thick Wall Hose). Flow: Res, Pump, CPU watervlock, Y into both rads, both rads into res independently. Athlon XP 1800+ (@ 1731 - 150mhz fsb.), on a Asus A7N266-c, and a Radeon 9000 *waiting for RMA'd Saphire 9800 ultra from Newegg)

01-24-2003, 10:32 AM	#3
N8 Cooling Neophyte Join Date: Sep 2002 Location: Pullman, WA Posts: 91	There is a common problem with the first revision of those fans. I have one too that has this problem. The metal case shorts out the windings in the corners if you use metal bolts OR if you tighten the thing down too tight. You can slip a piece of electrical tape under the casing/above the windings in the corners and/or you can use nylon bolts and don't tighten it as much. Some of them also had a problem on startup of needing to draw too much current and burning the leads or the motherboard fan header. I would use an adapter and attach it to a regular 4 pin power connector to be safe.

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