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H100i V2 Loses Pump RPM when temp increases to 65°C


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The pump speed does not react to CPU temperature ever, so this is not an intended consequence on the CUE side. If the pump was really dropping to 0 rpm, you would have about 5 seconds before it went to 100C+ and the MB initiated a safety shutdown. I assuming that does not happen, so you are looking at a false reading.

 

On the software side, make sure you are not running other monitoring programs that are trying to poll internal Corsair devices at the same time. Common examples are HWiNFO and AIDA64. Something like MSI afterburner does not poll Corsair devices.

 

If that is not an issue in play, contact Corsair Support. A hardware error or problem with the tachometer line should not care about the temperature of anything, but that does not mean there isn't another problem.

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Yeah I think it's a false reading too.

 

Not running any other monitoring programs beside LINK and ThunderMaster.

 

The annoying part is that I can't play games. When the rpm reaches zero the game starts lagging like an unplug laptop.

 

This happened before, after a few stress test on cpu-z it went to normal. Now I'm having this problem again.

Edited by saldiecloud09
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The annoying part is that I can't play games. When the rpm reaches zero the game starts lagging like an unplug laptop.

 

That part does suggest something is happening. Do you see quick increases in coolant and CPU temperature that go along with this? You don't have to witness it in real time. The graphing in Link or CUE would reveal a sudden coolant temp change, like if the pump stalled.

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No the temp does not quickly increase when the rpm reaches 0.

 

The temp slowly increases when rpm reaches 0 like 65.6 after a few seconds 65.8 and so on.

 

After I exit the game the temp slowly comes down until the rpm returns to normal.

 

The other day it didn't turn back to normal and the highest temp on 0 rpm is 72°C it happened only once I think.

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...like 65.6 after a few seconds 65.8 and so on.

 

Oh boy. Are you talking about coolant temperature?? H100i Temp to the right of the pump? If so, you are massively out of range and the unit needs to be taken off line. You are so far out of spec that I presumed you were talking about CPU temperature as the only logical value in that range.

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