pelmic93 Posted July 24, 2018 Share Posted July 24, 2018 While the pump LED is on, the usb-mini plugged into the pump, the radiator fans are running, I can't seem to control the RPM for the either the pump or fans. When the software starts it'll show Fan RPM at some random number but never change. Same for the pump, it'll show a random number (like 2940) and never change no matter what profile I change it to. If I restart my computer, the numbers change but never move. It was working fine a few hours ago now it just seems like it's hung up and hasn't been the same since. Occasionally the RPM will change depending on the profile, but not by much. In fact, it usually just goes between the same two numbers no matter what profile is chosen. I've seen around here that iCUE has it's issues as well as H100i v2 having it's fari share of issues with Corsair software. Link to comment Share on other sites More sharing options...
DevBiker Posted July 24, 2018 Share Posted July 24, 2018 This sounds like you have something else accessing the pump. Do you have any other monitoring tools running? Anything to control RGB? Can you look in Device Manager for the driver and see if it needs to be reset? (Look for Corsair USBXp Driver). You might want to take a look at the Cooler FAQ as well ... and check that your cooler is properly powered. When looking on the forums, keep in mind that very few people ever come here to say "it's all awesome!". You'll really only see the issues. And since the H100i V2 was probably Corsair's most popular cooler, the percentages would dictate a large number of posts. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 the CUE software is the only thing I have that controls the RGB. It was working a few hours ago with no issues, PC sitting idle then I noticed that the RPMs just stayed at one number. I have double checked and made sure the usb-mini was securely plugged in as well as the plug at the CPU_FAN header. Everything is securely plugged in, nothing's loose. I did uninstall the Corsair USBxp driver and reinstalled it and it seemed to work for a bit. But, the RPM would just go between two numbers no matter what profile is chosen. Link to comment Share on other sites More sharing options...
DevBiker Posted July 24, 2018 Share Posted July 24, 2018 The pump RPMs are pretty steady and only have two modes : Quiet and Extreme. Unlinke the fans, they don't have a curve. What are the RPMs? Sometimes you just need to reset the driver, btw. You can do that by disabling/enabling the driver in Device Manager. (Mentioned in the Liquid Cooler FAQ) And are you certain that it's powered correctly? See section B of the Liquid Cooler FAQ. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 The pumps are steady and change with profiles, thankfully, but the fan RPMs are just showing 540-600 RPM and don't change when making a Cooling Mode profile or switching between any other profiles. In fact, if I try to use Cooling Mode with custom fan curve then fan RPM just changes to 0 RPM. I'm sure it's all powered correctly. It was working fine with no issues for a couple of hours last night. I din't change any settings or anything and the RPM status just started acting this way. I didn't do anything differently. Link to comment Share on other sites More sharing options...
DevBiker Posted July 24, 2018 Share Posted July 24, 2018 What are your CPU and coolant temperatures? What is the pump speed being reported? Can you show a screen shot of your configuration screen? Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 For this morning, I started up CUE and for the coolant temperature it started at 23.5c with the pump RPM at 2880 and fan RPM going between 540-800 and both were set to Extreme. Last time I saw the fans on extremem they were set to closer 1500 RPM on extreme but it looks like they're stuck on Quiet. I assigned the fans to the Cooling mode RPM that adjusts with the processor temperature package. After a few seconds, fan RPM showed 0 and then the pump RPM has been staying at 2880 for the past 30 minutes and the coolant temperatures stopped at 24.5c. UPDATE: Had to disable and reenable Corsair USBxp driver and then restarted my machine. Come back to CUE and coolant temps at 30.4, pump at 2940, fan at 0 and none of them are changing. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 I'm taking a look at my motherboard manual and I think I see where the problem is. Where the USB 2.0 is located for the pump is not connected to USB header, but rather JCOM1. I misread the label on the board, that could be the issue since I DID switch spots for my USB2.0 cable earlier yesterday. Could be, maybe? Still doesn't explain why it worked fine for a few hours.... Link to comment Share on other sites More sharing options...
c-attack Posted July 24, 2018 Share Posted July 24, 2018 That is likely to prevent communication between the software and the cooler. The other thing is you need to get off the three presets and make your own curve. Don’t use package temp as the control variable. That’s not how the cooling works and is going to give you more erratic, jumpy fan activity. Find the H100i v2 Temp line in the drop down menu. The range for that variable is usually in the 20-40C range, but it is seasonal and case temp dependent as well. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 I thought it said USB, but looking at the manual there is no USB header on the lower left side of my board where I plugged in the USB2.0 cable for the pump (I couldn't read the label, but the plug fit). That's how I had it initially, I had the fan speeds custom set to the coolant temperatures. I only switched between the set profiles to see if I could hear a change in fan speed. Link to comment Share on other sites More sharing options...
c-attack Posted July 24, 2018 Share Posted July 24, 2018 There are definitely some other sockets that look like usb 2 and often the boards stick the label in non-intuitive location. Not the first or last person to do this. As for fans, I was creating new lighting profiles this morning and my C-Pro and cooler fans all default to Quiet upon creation. It was of course was anything but quiet and I needed to immediately change all of them to stop the erratic speeds and maximum blasting. There are some improvements needed in the default behavior and I can’t recommend it for anyone. It would be easy to mistake the default behavior with a malfunctioning controller. Looks like we need to keep looking at your situation. Link to comment Share on other sites More sharing options...
DevBiker Posted July 24, 2018 Share Posted July 24, 2018 We need your pump speeds. The only time that I, personally, have seen the radiator fans at 0 RPM was when the pump wasn't powered correctly (the fan header wasn't set to 100%). It's easy to do and the instructions for installing don't mention that at all. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 There were a few times where if I switched between deafult profiles I could hear the fans speed up but the RPM remained. Then, when I make a custom cooling profile and set the fans to it it would immediately show 0 RPM for the fans. Also, something else I discovered for the longest time, what I thought was a SYS_FAN1 header was actually CPU_PUMP header.....so yeah, apparently I'm an idiot, hahaha. But anyway, I read in a lot of places it's better to have your pump connected to CPU_FAN rather than CPU_PUMP. Some say it's better to have pump connected to CPU_PUMP so it runs 100% and have at least "something" plugged into CPU_FAN so that the boot doesn't fail. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 I can't really give accurate pump speeds since the software shows a static number every time I boot and that number is different everytime and never changes until next boot. In the BIOS there is no pump speed, only CPU fan speed that I set to 100% but the RPM is way too low to be going at 100%. I think I know I have some cables mixed up for sure. I'm going to take another look when I get home. Been thinking of my configuration over and over and was so focused on the software that I didn't realize that the y-splitter connecting the fans to the pump were connected to case fans instead of radiator fans (though I don't see this being the case of the issue). To shed some light on that; I have 5 fans. x3 LL120 PWM Corsair RGB Fans, x2 Corsair 120mm PWM fans that come with the cooler. I have two LL120 fans on the radiator (that's more for RGB look, personal preference), one LL120 in the back for exhaust, and the two Corsair fans on top for exhaust. The three RGB fans are actually connected to a fan splitter that accepts 5 connections, but I'm rethinking that configuration. I need to re-do that and connect the radiator fans I have to the y-splitter that connects to the pump, and use another y-splitter for the two top exhaust fans to let's say SYS_FAN2 or 1. Link to comment Share on other sites More sharing options...
c-attack Posted July 24, 2018 Share Posted July 24, 2018 The pump speed is going to be reported as a "fan speed" for the respective motherboard header powering it. Presumably this is CPU Fan for your setup and yes, the BIOS controls should be set to 100%. The trick is this particular model will report half of its actual speed in BIOS (a fan and a pump don't always count revolutions the same way). In a normal state, you expect to see a CPU Fan (pump speed) of around 950-1000 rpm, which correspond to the low setting and an actual 1900-2000 rpm speed in the software. The performance/extreme setting is just short of 3000 rpm, so a BIOS value of near 1500. Link to comment Share on other sites More sharing options...
pelmic93 Posted July 24, 2018 Author Share Posted July 24, 2018 So, I was able to get home for lunch, I swapped cables and made sure the pump y-splitter cable is going to the radiator fans. the USB 2.0 cable was already plugged into the USB header though. I tested it and the RPMs ran normal and adjusted with custom cooling profiles on. Sadly though, once I shut down my machine to place the case window back on and powered the computer back up, no video signal across any of my monitors. Not even on the integrated graphics on the mother board. This is another issue entirely I'll have to mess with. Link to comment Share on other sites More sharing options...
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