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Replacing PSU Fan.

post #1 of 29
Thread Starter 
After 5 years my Antec TruePower Quattro 850 W is still going strong, the fan however isn't. It's making a ton of noise now and then and it's near the point of breaking down.

I figured I'd just replace the fan (I've got enough spare fans lying around) but after reading around, it seems like fixing a PSU could be a bit more dangerous?

I'm not planning on doing anything to the PSU circuitry, just unplugging the FAN and plugging in another 80mm one:



Anything I should pay attention to or watch out for?

I've also read it's a good idea to disconnect the power cord and press the power button on the PC several times until any fans stop spinning.
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post #2 of 29
The caps hold their charge, so if you go poking around in there you can hurt yourself. I would wear gloves or something. Also in the PSUs that i have opened the fan isn't connected with a connector, it's soldered. so keep that in mind.
    
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post #3 of 29
Thread Starter 
So basically if I stay clear from the capacitors I should be safe?

I found the picture on the internet and apparently the Antec Truepower FAN has a connector.
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post #4 of 29
A way to make it safer is to unplug the PSU from the wall, and then press the power button several times in order to drain the capacitors. But rubber gloves are a very good idea as well. Good luck thumb.gif
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post #5 of 29
A couple power supplies I have replaced fans on also had a connector ... but it was some proprietary 2 pin connecter cause no 2 pin adapter I had fit ...


So what you may have to do is cut the fan cable that is in there already close to the fan and then cut the new fan cable close to the connector (depending how long you need the cable) then just join the new fan to the old cable solder and tape it and it's good as new
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post #6 of 29
just take saftey precautions by not poking around the innards too much with your fingers or tools smile.gif

ive replaced a fan in an old psu once, didnt seem very difficult.
post #7 of 29
When my Chieftecs 620W 120mm fan died i just cut the cables and connected the new fans power pin straight to the mobo so i could monitor its speed under windows ^^
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post #8 of 29
pressing power buttons and stuff may not discharge everything. There are tools to help you discharge them safely, but I'm not familiar on how to use them. Never had to open one. I do know for CRTs they make this tool available.

If you cant get tools and are afraid of being electrocuted, wait a few days for the charge inside to dissipate with the PSU unplugged. Like a battery it'll eventually just lose its charge.

also working with charged caps you want to work only with one hand, keep the other one in your pocket or at your back.
 
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post #9 of 29
Is the chance of being electrocuted even remotely high when you unplug your PC from the wall? I used to grease the fan on weekly basis before it eventually died altogether and i always disconnected it from the power and opened the PSU right away without any elctrocution countermeasures and neither of us suffered any damage. Its still rocking with a new fan i stole from my brothers case because the old one died a few days before the new Zalman i ordered arrived ^^
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post #10 of 29
Quote:
Originally Posted by Chunin View Post

Is the chance of being electrocuted even remotely high when you unplug your PC from the wall? I used to grease the fan on weekly basis before it eventually died altogether and i always disconnected it from the power and opened the PSU right away without any elctrocution countermeasures and neither of us suffered any damage. Its still rocking with a new fan i stole from my brothers case because the old one died a few days before the new Zalman i ordered arrived ^^

i honestly think that the chance of electrocution is very low as long as you dont do anything obviously unsafe and dumb, like draging your screwdrive along the caps and pcb.
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