xspc watercooled gtx titan overheating underload

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tinytitan83

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Apr 11, 2014
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Help!!! I'm stuck i have upgraded my build to be watercooled, the cpu is fine and the motherboard is fine but my gpu underload gets hot quick and the obverse shutdown happens i've turned every thing back down on my gpu so its not overclocked anymore, i've stripped the block again and refitted the only thing i can think of is that it's a faulty card but gtx titans aint cheap so hopefully someone has a solution.

MB: asus rampage extreme iv
CPU: intel 3930k o.c. 4.7mhz
RAM: 8x8GB corsair dominator platinums
GPU: gtx titan
PSU: corsair ax1200i
Rad: blackice gtx 140, blackice 360
Waterblocks: ek for motherboard and cpu, xspc for gpu
Case: nzxt switch 810
OP: windows 8
 
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Well, 25c seems kind of low for coolant, but maybe not stressing or my components just put off that much heat. But yes, if your gpu was really 80c, your coolant would be a lot higher. When I ran CPU only in my loop while waiting for gpu blocks to come. I'd go from coolant temp 24-26c idle, to 34-36c gaming, to 40c full stress. That's just one CPU and one rad. But I'm just saying, that CPU at 30c shooting to 60c raised temps by 20c. If you gpu is really at 80c, there is literally no way your coolant temps should be anywhere close to 20-30, or even as low as 40 for that matter.

So, I would feel comfortable saying that yes your gpu sensor is faulty. Which isn't good, so if you are in your warranty still, id rma it while I could. If out of...
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Dblkk

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Oct 30, 2013
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well, are you sure you have enough radiator space to cool the card? Is the cpu on the loop as well, im guessing. What is your water temp? Do you have a thermometer in line with your loop to give temp, or a pressure sensor to see how well the water is moving inside your loop?
 
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tinytitan83

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Apr 11, 2014
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Thanks Dblkk yes the CPU is on the loop that works perfect constant temp of around 30c to 50c running at 4.6mhz just turned it down from 4.7 cause of few lock ups, plenty of radiator space the pressure is good and the temp is good but I've noticed its starting to settle and working even overclocked and it works fine it will sit at around 80c underload then the next day just decides to be a pain again lol stupid thing.
 
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Dblkk

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Oct 30, 2013
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80c, is that the cpu, the gpu, or the water temp in the loop? If its any of those 3, then yes there is a problem. Water temps should never get that hot. Cpu, maybe, but not if your loop is enough to handle the heat. The titan should reach that temp, on air, but never on water, never. I'd say if everything else in your loop is good, then maybe its just the thermal sensor on the gpu? If the gpu is at 80, on the same loop as cpu, then the cpu would also heat up pretty bad, since its being 'cooled' with hot water.

But quick question. How does your loop run? Mine goes pump, cpu, 240mm rad, gpu, gpu, 360mm rad, in line temp sensor, pump.
 
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tinytitan83

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Apr 11, 2014
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80c is the gpu, cpu is fine at around 30c to 50c my loop is pump/res/temp sensor, cpu, 360mm rad, motherboard block, motherboard block, gpu, 140 rad, pump/res/temp sensor. the temp sensor shows constant 25c for the coolant. you might be right about it could be faulty thermal sensor.
 
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Dblkk

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Oct 30, 2013
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11,660
Well, 25c seems kind of low for coolant, but maybe not stressing or my components just put off that much heat. But yes, if your gpu was really 80c, your coolant would be a lot higher. When I ran CPU only in my loop while waiting for gpu blocks to come. I'd go from coolant temp 24-26c idle, to 34-36c gaming, to 40c full stress. That's just one CPU and one rad. But I'm just saying, that CPU at 30c shooting to 60c raised temps by 20c. If you gpu is really at 80c, there is literally no way your coolant temps should be anywhere close to 20-30, or even as low as 40 for that matter.

So, I would feel comfortable saying that yes your gpu sensor is faulty. Which isn't good, so if you are in your warranty still, id rma it while I could. If out of warranty, just make sure you keep eyes on loop. Not like your gpu is going to overheat and burn up if everything else in that same loop is at normal temps.
 
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