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PSU broken HELP

post #1 of 10
4/24/12 at 10:22am
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I have been leak testing my watercooling setup, using a shorted cooler master silent pro 700w PSU. Everything was working fine, until I turned off the psu, using the switch in the back, and when i tried switching it on, it would not start up. I have no idea what is wrong, someone help frown.gif have i fried my PSU ?
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post #2 of 10
4/24/12 at 10:24am
Is it still shorted check to see if whatever you are shorting uit with is making proper contact
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post #3 of 10
4/24/12 at 10:54am
Thread Starter 
I think i've just blown my psu, i tried switching it on, knowing that it was making a short with the paper clip i was using, didnt work. I noticed that the main power block that the psu was connected to wasnt powering on my speakers nor my monitor so i went to the fuse box and noticed one of the fuses was tripped, switched it back to on, checked my speakers and monitor and they were working so i thought great my psu will be working now.

I tried turning it on, and it didnt work, so i thought the fuse was blown on the kettle lead (im in the uk so the fuses are inside the mains plugs). Tried a different kettle lead, and when i tried switching on the psu, i heard the loudest bang go through my house, not sure what it was but the fuse on the main box was tripped to off again, i switched it back to on, speakers and monitor were once again working fine. The psu however is i think screwed. The power switch on the back of it is not permanently on the on position. What should i do? how come this happened? I was able to short the psu couple of days ago when i was leak testing.
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post #4 of 10
4/24/12 at 1:37pm
Did your water loop leak at all. It shouldn't have made a bang like that unless you shorted out something other than the green lead and ground. Im from the uk aswell ( hugh five smile.gif )so i know about the fuses. The power supply is now dead if that bang came from it. The best thing to do now is to try an rma it but before you do that try it on an old pc.If worse comes to worse and your warranty/ guarantee is up you can salvage the fan the fan grill some connectors e.g. molex and the enclosure (can be used for other projects).
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post #5 of 10
4/24/12 at 1:46pm
Thread Starter 
I wasn't able to fully leak test it. The problem came after i put the water in, turned on the psu using the switch on the back, the pump pushed the water up the loop, i turned it off to refill, and when i tried turning it on, it wouldn't. I must of tripped something on the second time around, I was doing everything i did the last time i leaked tested, and it was working fine. Why this happened I have no idea, perhaps the PSU was meant to die :-/ BTW i checked the fuses in the kettle leads and the fuses were intact and nothing wrong with them.

The other thing to mention about the PSU is that the switch is now set to ON, and if i try flicking it to off, it springs back to the ON position.
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post #6 of 10
4/25/12 at 12:02am
It may be that the switch is broken but personally i wouldnt mess about with that because if you get that wrong you might mess up your houses electric system or the fuse box.
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post #7 of 10
4/25/12 at 2:16am
That bang was probably one of the primary side parts (PFC or PWM fets, or maybe a cap) going nuclear. It's dead, Jim.
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post #8 of 10
4/25/12 at 3:47am
Mortis est. It's dead Jim.
'E's not pinin'! 'E's passed on! This parrot is no more! He has ceased to be! 'E's expired and gone to meet 'is maker! 'E's a stiff! Bereft of life, 'e
rests in peace! If you hadn't nailed 'im to the perch 'e'd be pushing up the daisies! 'Is metabolic processes are now 'istory! 'E's off the twig! 'E's kicked the
bucket, 'e's shuffled off 'is mortal coil, run down the curtain and joined the bleedin' choir invisibile!! THIS IS AN EX-PARROT!!

Send it back for RMA and use a cheap piece of junk PSU to just power the pump, so you can leak test while you wait.

That's what I do, just unplug the pump from the main PSU, leave everything else plugged in (but turned off) and leak test with only the pump powered. I don't mind if the old PSU dies, just so long as it doesn't hurt my pump.
Edited by allikat - 4/25/12 at 3:51am
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post #9 of 10
4/25/12 at 11:30am
Thread Starter 
I have purchased a corsair hx 850w from ebuyer.com last night, and it arrived this morning (horray for free AM delivery). I've installed it and everything is working like it should (my black ice gtx 360 also arrived today and im able to finish my loop).

I've contacted ebuyer and corsair and they are both giving me contradictory replies, ebuyer says they cover the psu for the first year, and after that coolermaster apparently takes care of it for another year. Coolermaster on the other hand said that they cover faulty psu's for only 1 year.
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post #10 of 10
4/25/12 at 2:12pm
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