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Smoked! Power Supply Cord just burnt up

post #1 of 20
Thread Starter 
Got my power supply around last November. So its about 7months old. Bought from Frys Electronics, but doubtful I can find my receipt for it.

Anyways its a Cooler Master GX650 watt.

Powering my i7 950, 6950 TF3, 8gb of RAM, SSD and HDD, and a few fans.

The only cords that burnt up and smoked like a smoke grenade were the ones connected to the case fans on my HAF 932. When I hit the power button to comp, it did make a click/pop noise.

Does it matter what cord burnt up? Is the whole PSU no good now? What could have caused the cords that are just connected to case fans cause it to burn up?

Thanks for your replies.
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post #2 of 20
mmm smells like a cooler master.

As for what caused it, the only thing that I know could burn cords is if they shorted out on each other or something else.

Regardless, based on your rig, I would treat that PSU as dead, and hope that it didn't take the rest of your rig with it.
Edited by Omega329 - 6/8/11 at 12:18pm
    
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post #3 of 20
Thread Starter 
Yeah its my fault for going with that PSU. Had my woman barking in my ear to save money and for some stupid reason I listened.

Going to get a 850w or so Corsair unit this time around.
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post #4 of 20
It's not the PSU's fault, from what I can understand the FAN wirings burnt up? This suggests poor wiring and too thin copper used. Happened to me while my rig was on, kept going. I did turn it off to be safe.

Did any of the lines from the power supply burn up?
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post #5 of 20
Thread Starter 
Quote:
Originally Posted by thealex132;13799603 
It's not the PSU's fault, from what I can understand the FAN wirings burnt up? This suggests poor wiring and too thin copper used. Happened to me while my rig was on, kept going. I did turn it off to be safe.

Did any of the lines from the power supply burn up?

No, the lines from the PSU burnt up. The wiring from the case fans is fine.
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post #6 of 20
I experimented with splicing a few fans together and wired them incorrectly and had a short. It completely roasted the wire going to the fans in a matter of seconds when I turned my PC on. My PSU has been fine ever since.

It was only the tiny little (20 gauge?) wires going to the fans that burned up. The larger gauge Molex power cable coming from the PSU was fine.

Are you sure it is not a short in the circuit somewhere and not the PSU?

EDIT: I see somebody else asked the same thing while I was typing.
    
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post #7 of 20
Quote:
Originally Posted by SemperfiMorder;13799620 
No, the lines from the PSU burnt up. The wiring from the case fans is fine.

Then that is poor design on CoolerMasters behalf. Get a SeaSonic X650 and be done with it thumb.gif
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post #8 of 20
Quote:
Originally Posted by SemperfiMorder;13799620 
No, the lines from the PSU burnt up. The wiring from the case fans is fine.

It sounds like some sort of short in the cable to me. That current obviously wasn't traveling through the small fan wires because there is no way they could handle that much current while the thicker PSU cables could not.

I'm thinking that there was possibly some sort of short that bypassed the fan wiring altogether.
    
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post #9 of 20
Quote:
Originally Posted by Epitope;13799664 
It sounds like some sort of short in the cable to me. That current obviously wasn't traveling through the small fan wires because there is no way they could handle that much current while the thicker PSU cables could not.

I'm thinking that there was possibly some sort of short that bypassed the fan wiring altogether.

CoolerMaster aren't exactly known for good budget PSU's, if you return it you're just gonna get another one (if you find the slip that is). Save yourself the hassle and buy a solid unit such as the XFX 650w, SeaSonic X650 or TX650v2. The short woulda happened inside the unit, maybe due to sloppy soldering.
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Yuki
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CPUMotherboardGraphicsRAM
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240GB Corsair Neutron GTX RAID0 Samsung 850 Evo 1TB WD Red 8TB Corsair H115i GTX 
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EK Vardar fans Windows 10 Dell u2713hm Apple Cinema Display 
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Razer BlackWidow 2013 CoolerMaster V1000 Corsair 760T Artic White Logitech G502 Proteus Spectrum 
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CoolerMaster Swift-RX XL ASUS Xonar DX Schiit Magni Sennheiser HD650 
CPUMotherboardGraphicsRAM
Intel Core i7 Skylake-E X190 Nvidia Titan Volta 32GB 3200Mhz DDR4 
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Samsung 960 Pro 512GB Samsung 850 Evo 1TB 8TB WD Red Corsair H115i GTX 
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EK Vardar fans Windows 10 Dell u2713hm Apple Cinema Display 
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Ducky Shine CoolerMaster V1000 Corsair 760T Artic White Logitech G502 
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CoolerMaster Swift-RX XL Asus Xonar DX Schiit Magni Sennhesier HD650 
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post #10 of 20
i have a brand new antec tru power quattro 850 watt if you want it :-)
    
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