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H115i abnormal behaviour


hyperbeem
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I recently upgraded from an i7-6850k to a Ryzen 3900x and have noticed some behaviour that might suggest damage to my H115i.

 

I've had the cooler for around 3 years now, however with the new 3900x, which I've undervolted to keep temperatures down, on boot while my pc has been sitting upright idle temps are around 60 degrees, max of 90. However, if I lay my pc down flat for around 30 minutes and then sit upright and boot, idle temps stay around 35, with a max of 65.

 

I'm assuming that there is some kind of blockage within the block and laying my pc down flat moves it enough for good flow. I cannot hear any audible noise coming from the pump block so I do not think its the pump.

Any thoughts or solutions?

 

pull configuration, rad at the highest point in case.

pump speed: 3000rpm

fans: 1200(default)-2000(at 48c)

 

Thanks!

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It does seem like you have the "floating debris" issue that seems to happen a lot to the GTX/v2 models and includes your H115i/H110i GTX. You should be able to see coolant temperature in Link or iCUE and when you are idling at 60C, I suspect the coolant temp is in the 50s. Right there is enough to verify a problem and the fact that it corrects with tilting suggests the nature. A very stubborn bubble would make a lot of pump clickity noise and those are not usually re-occurring. This is most certainly going to continue to be a problem and you need to move toward a solution. You can contact Corsair through the Ticket Support System and start the RMA process. You can ask for an Advanced RMA with credit card hold to cut shipping time in half (they ship, you return), but either way you are looking at down time. If you are like me and can't really go down for a week or two, your best bet may be to find a suitable replacement and then decide whether to RMA the old cooler and re-purpose it. You will have to pay the cost of shipping back to Corsair, so factor that into your calculation.
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It does seem like you have the "floating debris" issue that seems to happen a lot to the GTX/v2 models and includes your H115i/H110i GTX. You should be able to see coolant temperature in Link or iCUE and when you are idling at 60C, I suspect the coolant temp is in the 50s. Right there is enough to verify a problem and the fact that it corrects with tilting suggests the nature. A very stubborn bubble would make a lot of pump clickity noise and those are not usually re-occurring. This is most certainly going to continue to be a problem and you need to move toward a solution. You can contact Corsair through the Ticket Support System and start the RMA process. You can ask for an Advanced RMA with credit card hold to cut shipping time in half (they ship, you return), but either way you are looking at down time. If you are like me and can't really go down for a week or two, your best bet may be to find a suitable replacement and then decide whether to RMA the old cooler and re-purpose it. You will have to pay the cost of shipping back to Corsair, so factor that into your calculation.

Thank you for the information and confirmation. As you said, yes the coolant temperature in iCUE sits around 50c on first boot and is cleared after tilting my pc. I will look for a replacement cooler as, just like you, I cannot wait for too long. Thank you again!

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