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H100i Plat RGB & iCue: Fans spin at low RPM only Pump control works


ctechs
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Since last night my 2 fans on the radiator no longer follow the profile in iCue, they seem to be stuck at quiet but at a rate for a low liquid temperature at around 357 RPM for one and 371 RPM for the other, so now just idling for 30 minutes the the liquid has reached 32C but the RPM doesn't increase like it used to (to maybe 600-800).

 

They don't spin up faster on Extreme or Balanced, they don't spin down if I select Zero RPM. I never had custom curves or fixed RPM profiles. This is with iCue version 3.24 and the latest iCue version to which I'm sticking with atm, I did clean reinstall with reboots in between multiple times.

 

I have had HWinfo but only portable edition and I tried unticking the Corsair safety option, moving the hwinfo exe file (it's not installed anyway), "deleting the driver" if that means anything (Under Driver Management it says driver not installed)

 

The pump control works I can switch between Quiet/Balanced/Extreme and I can hear the sound change like it used to before so do the RPM on the pump speed in iCue. bear in mind the iCue GUI does say the fans are Balanced/Extreme w/e whenever I change it it's not frozen or crashed at least visually. RGB programming also works fine like before.

 

The RPMs change in iCue, sometimes the fan RPMs change a bit too but very infrequently it would go from 357 to 358 for example for one every other minute.

 

I've tried re-seating the USB thing. Even took the back panel off (I'm desperate) and unplugged one fan, iCue pretty quickly showed 0RPM, then again 371 when I plugged it back in and it spun up. I've tried deleting the H100i device in Windows, and letting windows rediscover it, clean installs of iCue, moving the 'configuration' file from the %AppData% dir - nothing works I'm still left with control over the pump and thats it, the cooler is always recognised though.

 

It's a Win10 1909 system on a X570-F motherboard Ryzen 3900 so I don't want to run it with warm liquid..

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There have been several recent complaints about the fan controller on the Platinum/XT coolers freezing up. Some users are able to recover by force loading the current firmware again. CUE settings -> check for update -> force load. If that does not work, contact Corsair Support and you can move the radiator fans back to the MB for control in the interim.
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There have been several recent complaints about the fan controller on the Platinum/XT coolers freezing up. Some users are able to recover by force loading the current firmware again. CUE settings -> check for update -> force load. If that does not work, contact Corsair Support and you can move the radiator fans back to the MB for control in the interim.

 

Yes I came back here to say that's exactly what I just did and it started working again! I didn't have to manually load it just the "Update" button from within settings under the device.

Might be worth doing that if there were conflicts with other monitoring software I don't think adding/removing the device or iCue does anything if the firmware itself is baked on the unit and crashed, who knows.

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Clashes with other monitoring programs should be temporary, usually produce impossible data values (216C, -23C, 40,000 rpm, etc), and will be gone on a reboot. I don't know what this issue is with the Plat//XT coolers, but it is normally limited to the fan controller only, does not affect the pump, and does not affect other CUE devices or data. There was some discussion about it being linked to something in Windows 2004, but you are clearly not using that and I wasn't sold on that idea anyway.

 

I haven't seen many users come back and say it happened again. However, that doesn't mean they don't just flash the firmware and fix it. If this becomes a regular issue, contact Corsair Support. You shouldn't have to and don't want to flash the firmware on the cooler once a week.

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Thanks yes will keep an eye on it. Reading that I might not have had clashes with HWinfo but I was indeed using it especially the few days before this happened. Windows Update seems to be holding back 2004 for a while now, I thought about upgrading but read that there's probably good reasons it's held back for my system so I won't force that either.
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