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power supply fan not moving?!?!?!
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uponthis
Member
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24. November 2007 @ 20:20 |
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On my Vista pc(not stock power supply), i was doing something and had to move the desk away from the wall and noticed that my power supplys fan was not moving. It's been on for most of the day and no problems. Is this normal or shouldn't power supply fan suppose to be running all the time while pc is powered up? Should i really be concerned?
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Senior Member
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24. November 2007 @ 20:23 |
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Yes it is normal. Most PSUs only turn on the fan when they get to a certain temperature, and then shut off to reduce noise.
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uponthis
Member
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24. November 2007 @ 20:32 |
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Waymon, thanks for the reassurance!
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AfterDawn Addict
4 product reviews
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24. November 2007 @ 22:36 |
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I hate to cause confusion, but pretty much every single power supply keeps the power supply fan moving AT ALL TIMES. It may run at a lower speed, but it will still be running. What you should do is run a demanding application for a short period of time and see if it starts moving. If it doesn't, you have a problem.
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Senior Member
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25. November 2007 @ 00:12 |
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Hmm sam, my antec 500watt's fan doesnt spin all the time. When I boot up, it's off and then about maybe 5min it it kicks in...
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AfterDawn Addict
4 product reviews
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25. November 2007 @ 00:17 |
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Which Antec is it? Antec are the one exception that caused me to write "pretty much every single" rather than just "every". Some Antec PSUs do in fact stop the fan altogether at low load.
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ddp
Moderator
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25. November 2007 @ 00:23 |
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Waymon, i've seen the reverse as most psu fans are always on. i don't think i've seen 1 that was not spinning except when fan died.
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AfterDawn Addict
4 product reviews
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25. November 2007 @ 00:25 |
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It stands to reason that the Corsair HX PSU is one of the quietest PSUs you can buy and yet the fan spins all the time, just at a lowly 700rpm.
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uponthis
Member
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25. November 2007 @ 04:36 |
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I turned the pc off, leaned it forward so i could see it if it would spin on startup of the pc. It didn't. So, i got a screw driver and stuck it in and pushed it in the direction its suppose to go and it started spinning. Guess the last time i sprayed the dust out, i didn't get it good enuff inside. Possible to take the powersupply apart to clean and oil the fan?
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AfterDawn Addict
4 product reviews
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25. November 2007 @ 05:38 |
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If you do, make sure you leave the PSU unplugged from the mains for at least 48 hours before you start any work on it, or you could end up getting a nasty shock. As for oiling the fan, you could try it I suppose, but it may simply be that the fan needs replacing.
What brand power supply is it?
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ddp
Moderator
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25. November 2007 @ 13:09 |
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uponthis, fan can be oiled as i do it all the time. do you have or can get 3in1 oil or light machine oil? psu has to be disconnected from main power but doesn't have to be disconnected for 48hrs as you are not touching the circuit board of the psu. let me know if you want more info?
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uponthis
Member
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25. November 2007 @ 15:44 |
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Ok, guess i was being forgetful and a little ignorant. The psu brand is Lead-Power, switching power supply, LP-600. So, the part i forgot was that there was a fan on the bottom side. Was nasty on the inside with dust. I tried to oil both fans as good as i could, not easy to do. The bottom fan has been going, looked at it while it was on. So, when does it switch fans? I ask because i don't know. It's working fine.
ddp, i was triing to pull the fan apart, but i stopped because knowing myself, i would have broke it.For the oiling, i used my wahls hair clipper oil and put a few drops in.
Thanks
This message has been edited since posting. Last time this message was edited on 25. November 2007 @ 15:45
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ddp
Moderator
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25. November 2007 @ 21:51 |
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uponthis, undo the 2 to 4 screws that is holding the fan frame to the psu case. under the label on the back of the fan frame but not on the fan itself you'll either see a plug or a cavity, remove that plug if there & you'll see the end of the fan shaft. put some oil into that cavity & push the fan in & out as you rotate the fan blade to get oil in between the shaft & bearing. after fans spins easily then clean off all the oil off the frame that the label goes onto as it interferes with the glue of the label. if entirely clean but label won't stick to the frame then cut pieces of electrical tape to cover the area the label would normally sit, usually i do 2 pieces.
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uponthis
Member
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25. November 2007 @ 23:38 |
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ddp, ok, i will do it your way. Thanks very much!
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ddp
Moderator
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26. November 2007 @ 11:53 |
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no problem, teach & learn
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