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A sign of a failing AIO cooler?

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So, this is a weird one, whenever my desktop comes out of sleep mode it doesn't seem to start the AIO pump up so of course that means my CPU temps go through the roof. However, a simple reboot seems to fix this.

Is this a sign of a failing AIO pump or something else?
 
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@trparky
why are you using sleep? no benefits except for mobile devices to save battery time.
i either leave it running (if its a short time), or shut it down and conserve energy and make stuff last longer.

and dont tell me cause boots faster, as any system with at least an ssd will boot in sub 30s, and even the fastest
waking up ive seen takes 2-5s, there is nothing in life that will benefit from saving 20s (if)... ;)
 
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Well I do have some tasks that run at night every night so using sleep mode was a way to make sure that I can save power but have the task run when it needs to.
 
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are u running the corsair icue sw? in background?
 
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Yes. Why do you ask?
 
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probably the cause.
open icue and set the pump speed to extreme (pump only gets 2 speeds, unlike the fans which get 3),
and disable that the sw boots with win (not needed).
make sure bios has the connector (for pump) set to 100%, fan stop is off, and its set to AUTO/DC
this should prevent trouble with too low voltage for the pump to start..



you can run the fan off a different connector (board, not pump), if you want to adjust fan rpm differently.
i prefer the pump on the cpu fan port (and enable fan failure alarm) and run the radiator fan(s) from another port,
this way i can run the pump at much higher rpm than it would (based on temp), as pump speed is the main bottleneck on aio,
not the fan speed.
 
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But iCue isn't supposed to control my pump, it's not an iCue-controlled device.
 
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lol, saw the white logo and thought its the led lit logo like on the units with the link.
did you check bios settings? is smart fan off? is it on auto/pwm/dc for (rpm) control?
 
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If you're talking about if the motherboard controls the speed of the pump, yes.
 
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thats your problem, they arent supposed to.
the aio pumps (asetek design) have too much variances in specs that most will not work below certain voltage.
make sure the pump runs at 100% all the time, plug fans in a different port, in case you want to lower fan speed..

some asetek based units will offer 2 speeds (~1800 and ~2800rpm), but really only coolers from EK/Arctic
and Alphacool will allow for (full) rpm control based on temp.
 
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So don't plug the pump into the CPU fan header.
 
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Maybe you should try to plug the pump on the CPU_OPT header and not on the CPU_Fan header. Isn’t that for pumps?

Please correct me If I’m wrong
 

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Maybe you should try to plug the pump on the CPU_OPT header and not on the CPU_Fan header. Isn’t that for pumps?

Please correct me If I’m wrong
You are right AFAIK, but there are several AIO's that come with just one cable that combines both fans and pump (mine for example), if his has them separate I would plug the rad fans into the CPU_Fan header and the pump into the CPU_OPT header :)
 
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Maybe you should try to plug the pump on the CPU_OPT header and not on the CPU_Fan header. Isn’t that for pumps?

Please correct me If I’m wrong
Also, check in BIOS >> SmartFan5, the control mode of the fan headers. I think for pumps it needs to be PWM mode and not Voltage mode. Or better try Auto mode and let the board identify the Fans/Pumps and decides whats better.
 
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CPU_OPT is typically a 2nd fan header for the CPU heatsink (think dual fan air cooler). If your mobo doesn't have a specific pump header (see manual) then you can put it in cpu opt assuming it has the output to support the pump.
 
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nope guys, the board has hybrid connectors.
doesnt matter if pump or fan, or if pwm or dc, if 3 or 4 pins...

i prefer to run the pump on cpu fan (fail alarm enabled) to know the system will show it on boot (if broken),
and rad fans on opt or another sys port.

@trparky
yeah guess it would have helped to mention it :banghead:
pump needs to run on 100% power set to DC/autos plugged into the cpu fan port.
so make sure any fan profile is either disabled (and fan set to 100%/12V) or set to full rpm.
 
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Today's boards have "fail warning" to all headers. Mine (X570 AorusPro) has warning on all 7 Fan/Pump headers.

201222101300.png

--------------------------------------------

From my manual:

3/4) CPU_FAN/SYS_FAN1/2/4 (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

5) SYS_FAN5_PUMP/SYS_FAN6_PUMP (System Fan/Water Cooling Pump Headers) The fan/pump headers are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. The header also provides speed control for a water cooling pump, refer to Chapter 2, "BIOS Setup," "Settings\Smart Fan 5," for more information.

6) CPU_OPT (Water Cooling CPU Fan Header) The fan header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design.


So, isn't better to have the pump on CPU_OPT if the board doesnt have a named PUMP header?

--------------------------------------------

From Z370 Aorus Ultra manual:

3/4) CPU_FAN/SYS_FAN1/2A/2B (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

5) SYS_FAN3_PUMP (System Fan/Water Cooling Pump Header) The fan/pump header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. The header also provides speed control for a water cooling pump, refer to Chapter 2, "BIOS Setup," "M.I.T.," for more information.

6) CPU_OPT (Water Cooling CPU Fan Header) The fan header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design.
 
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no, as there is no difference in sensing/capabilities or output.
i didnt state any of your info, as the next person (reading this) might not have same and/or newer board.
 
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Yes but this is a thread about a specific issue on a specific board. The OP's board, the Z370 Aorus Ultra.
A not starting pump after awaking from sleep mode. The OP may like his pump stopped when system is in sleep mode.
Even tho I dont like personally the Sleep/Hybernation modes and never used them for the last ~20years, I'm trying to help, so I'm saying to plug his pump to the specific pump headers as manual suggests and not use the CPU_FAN header for it.

This is not a general discussion about FAN/PUMP headers.
 
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Maybe you should try to plug the pump on the CPU_OPT header and not on the CPU_Fan header. Isn’t that for pumps?

Please correct me If I’m wrong
I read in an ASUS manual that the CPU OPT was for a second fan if you had an AIO with two independently wired fans
 
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I read in an ASUS manual that the CPU OPT was for a second fan if you had an AIO with two independently wired fans
Yes you can use it this way also but im not making this up. What I wrote on post #18 is from the actual manual of the OP's board.

6) CPU_OPT (Water Cooling CPU Fan Header)
 
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@trparky
why are you using sleep? no benefits except for mobile devices to save battery time.
i either leave it running (if its a short time), or shut it down and conserve energy and make stuff last longer.

and dont tell me cause boots faster, as any system with at least an ssd will boot in sub 30s, and even the fastest
waking up ive seen takes 2-5s, there is nothing in life that will benefit from saving 20s (if)... ;)
A bit OT, but what? One thing is boot times, another is starting all necessary applications and getting back to where you were - that is the real benefit of sleep. My PC boots plenty quickly, but opening Firefox with its ~30 tabs, Discord, whatever Word documents I'm currently working on and everything else that runs in the background? That's the real annoyance of rebooting. With sleep you can get right back to where you were.

@trparky Is your CPU_fan (pump) header set to PWM, DC or Auto mode? Does it have a fan curve enabled? If yes, set it to a constant speed and Auto/DC, as mentioned above. Make sure the setting is at a high enough voltage that the pump is able to start, not just run (starting always requires a higher voltage). That should be enough for everything to work.

@Zach_01 That one header is labeled as for water cooling typically just means that it has a higher current rating than other headers, and is thus suitable for powering more power hungry fans. A pump that doesn't draw that much current can run off any fan header, and while some are PWM controllable, there are very few that can't be run with voltage regulation, so DC mode is typically better suited for pumps. There's no reason to not use the CPU_fan header for the pump as long as it's able to provide sufficient current - and that's not the problem here, as that would have led to burnt-out headers.
 
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Yes you can use it this way also but im not making this up. What I wrote on post #18 is from the actual manual of the OP's board.

6) CPU_OPT (Water Cooling CPU Fan Header)
Correct, that means it is for an optional fan.
Some Motherboards have a dedicated header marked Pump.
 
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@Zach_01 That one header is labeled as for water cooling typically just means that it has a higher current rating than other headers, and is thus suitable for powering more power hungry fans. A pump that doesn't draw that much current can run off any fan header, and while some are PWM controllable, there are very few that can't be run with voltage regulation, so DC mode is typically better suited for pumps. There's no reason to not use the CPU_fan header for the pump as long as it's able to provide sufficient current - and that's not the problem here, as that would have led to burnt-out headers.
Yes I know that. I was just suggesting the CPU_OPT header in case the board starts it differently from CPU_FAN header after waking from sleep mode. I also suggested to check the control mode (DC, PWM, Auto).
 
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