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I think my H-100 just died...

post #1 of 20
Thread Starter 
I've had the H-100 for about two weeks now and it ran fine.
Temps were great using the silent profile since I wasn't applying any heavy overclocking because of my awesome vrm heatsinkless motherboard...

I had it running stock all day today, but didn't check temps at any time.
I was playing some AC: Brotherhood when my pc suddenly turned off.
I had had this happen one time before but that was due to the power plug falling out, so I thought that might be what happened here.

I pulled the cord out and back in and pressed the power button.
It posted just fine but it once again shutdown whilst loading windows...
Once again I pulled the power cord out and put it back in, but this time I got into the BIOS at startup.

So here is where the true problem started to become apparent:

CPU temp was around 72 centigrade and reported CPU fan speed was: 'n/a'.
This kind of baffled me since normal BIOS temps were around 24-25 at a 18c ambient. CPU fan speed was around 2100 before this happened.

This led me to the conclusion that the pump had failed. I checked the fans, which where spinning just fine, I checked all power connections which appeared fine as well. The LED was on so it wasn't powerless, I guess...

I'm kinda reluctant to take it out and examine it further, since the only TIMs I have are crappy Zalman paste and defective AS5.
I was hoping someone might have seen a problem like this themselves or maybe point something out I could've missed.
If you all say my conclusions are correct I'll take it out and make some pics or something.

I'd really like to hear your thoughts on the matter.

BTW, and don't take me all too serious about this as it could be my imagination, but both times, after I'd cut the power I could a very low noise, high pitched squealing sound coming from the pump. Almost as if pressurized water is escaping. I really do hope that's my imagination and that there is a very simple reason for my current problems...

Thanks in advance!
    
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post #2 of 20
Hey, if you forward me your contact info: redbeard@corsair.com I'll get you an advanced replacement ASAP - I would like to get your unit back for evaluation if you think you heard a high pitched pump squeal.
post #3 of 20
You should test the pump with a spare power supply by connecting the green and a black conductors on the 24pin connector. See if you can hear the pump running when you crank up the pump speed. If not, you know the pump is toast and its RMA time.
post #4 of 20
First, try booting your system again, but this time use a different molex plug from your PSU, probably wont change anything but it's worth a shot.

If it still fails...

Take your PSU out of your system, or grab a spare PSU.

Use the paper clip method an plug your H100 into the outside PSU. [Which is just the molex connector, the three pin is just a pump speed readout.

Put your ear next to the pump and see if there's just the faintest sound of pumping going on.

If absolutely dead silent it's probably dead... RMA time?

If it's worth anything, I had a similar issue with my H80 then realized it was just that one of the molex pins just wiggled out of place since it was too far stretched, an extender fixed that right up

edit: ninja'd
    
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post #5 of 20
Wow I always forget how many Hardware Rep's frequent this site, that's awesome how quickly CorsairGeorge responded to your post.

I was thinking you might want move the pump's cord to an auxiliary fan connector (just make sure its at full power in BIOS) that maybe it was an issue with your motherboards cpu fan header.
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post #6 of 20
Thread Starter 
Thanks for the quick responses.

@CorsairGeorge: That's excellent, thank you very much. I'll try other Molex connections aswell or maybe relocate the connection on the PSU itself.

I'll try another PSU aswell, since I've got a Coolermaster GX650w lying around here somewhere, then all I need to do is find some paperclips.

I'll report back here in a sec, I'll try to terminate other sources of sound, and I'll see if I'm not fooling myself concerning the squealing...
    
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post #7 of 20
Thread Starter 
Ok, trying other molex connections had no effect.
Judging from the sound it makes, I'd say the pump is working...

I definitely heard a squeal this time, very, very low noise, but very high pitched, and the pitch appeared to be rising.

I'm kinda fearing a leakage here, so I'll be taking it out. I'll examine it and get in contact with you, George.

I don't understand how a seemingly minor leakage could affect cooling performance like this. Is it a combination of factors?

Anyway, thanks for the responses!
    
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post #8 of 20
Awesome support from Corsair

The squeeling sound might be air in the pump. if air gets in a pump, it can make said pump run faster resulting in a burn out
post #9 of 20
+1 to epic rep response times. Between this no questions asked support and corsair sponsoring august ice, makes me proud to support such a community friendly company.
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post #10 of 20
Thread Starter 
It kinda sounds like putting a rubber tire with miniscule holes on it, in a bucket of water: the noise of air escaping. Just a little more silent. And I fear in this case it's coolant escaping.

Is it possible for air being trapped in the loop, it being a closed one?
    
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