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Really Weird Issue With Fan Speeds - Randomly Speeding Up

b1uew01f

Newbie

Really Weird Issue With Fan Speeds - Randomly Speeding Up

samedi 9 janvier 2016, 22:53

I have literally no idea what is going on here but essentially the fan is controlled by a controller in linear fashion based on the related loop temperature. The controller readout is correct (it doesn't increase to explain the rpm increase) but some reason my fans are spinning up without the temperature increasing.

Issue has only just started to happen over the past couple of days and I don't believe there's been any updates to the aquearo equipment.

Its worth noting but I assume its unrelated, I have had random issues with 1 of the 4 fan controllers stopping working every now and again (somewhere between a month and a week in-between issues); I haven't isolated which header is the issue, if it is a single one, so far but its definitely not Fan 1.

Any help at all would be greatly appreciated.

Ce message a été modifié 1 fois. Dernière modification effectuée par "b1uew01f" (9 janvier 2016, 22:54)

GTXJackBauer

Full Member

samedi 9 janvier 2016, 23:18

How were the temps on each channel when these issues arised? I would keep an eye on those if anything happens again.

b1uew01f

Newbie

samedi 9 janvier 2016, 23:28

Cheers but what do you mean by temps on the channel? I attached an image of the loop temperatures and you can see nothing changes

InfoSeeker

Senior Member

RE: Really Weird Issue With Fan Speeds - Randomly Speeding Up

samedi 9 janvier 2016, 23:35

Citation de "b1uew01f"

I have literally no idea what is going on here but essentially the fan is controlled by a controller in linear fashion based on the related loop temperature. The controller readout is correct (it doesn't increase to explain the rpm increase) but some reason my fans are spinning up without the temperature increasing.

Issue has only just started to happen over the past couple of days and I don't believe there's been any updates to the aquearo equipment.

Its worth noting but I assume its unrelated, I have had random issues with 1 of the 4 fan controllers stopping working every now and again (somewhere between a month and a week in-between issues); I haven't isolated which header is the issue, if it is a single one, so far but its definitely not Fan 1.

Any help at all would be greatly appreciated.

[attach]5542[/attach]

So you have two loops, one on the GPU & one on the CPU?
And only the GPU loop has the intermittent runaway fan issue?

Could you post a screenshot of the aquaero > Fans Tab (including the Settings & Advanced Settings open) and a screenshot of your controller Tab?

b1uew01f

Newbie

samedi 9 janvier 2016, 23:43

Yep pretty much, CPU is controlled by max temp across motherboard and cpu, GPU is max temp on the two GPU's.

Yep, and really regularly tonight. Hard reboot tried a couple of times with no effect.

Out of trouble shooting ideas myself.

Cheers again, attachments below:


barfly

Full Member

dimanche 10 janvier 2016, 03:49

have you tried going back to default for the controller and rebuilding your fan curve?

InfoSeeker

Senior Member

dimanche 10 janvier 2016, 05:03

Citation de "b1uew01f"

Yep pretty much, CPU is controlled by max temp across motherboard and cpu, GPU is max temp on the two GPU's.

Yep, and really regularly tonight. Hard reboot tried a couple of times with no effect.

Out of trouble shooting ideas myself.

Cheers again, attachments below:

[attach]5543[/attach]
[attach]5544[/attach]

One thing you may try is to re-seat or swap the fan cable for the problematic GPU loop fans.
From your first screenshot it looks like the fans ramp up to 100% when they act up, which could be because they lose their PWM signal.

At least I think that is how PWM fans work.

Ce message a été modifié 1 fois. Dernière modification effectuée par "InfoSeeker" (10 janvier 2016, 05:05)

bcikota

Full Member

dimanche 10 janvier 2016, 11:30

I agree with InfoSeeker, if a PWM fans looses the control signal for whatever reason, it ramps up to full speed, so that is something to look at.

Not sure if you have aquaero 5 or 6, probably 6, but with 5, if the voltage regulators got too hot aquaero would speed up all fans to full speed to reduce the load.

Kind regards,
Boris.

b1uew01f

Newbie

dimanche 10 janvier 2016, 13:30

Thanks both.

I specifically separated the voltage directly to PSU so the Aquearo shouldnt be dealing with power delivery for any of my system, and its got a passive heat sink so I cant see that being an issue. Though if anyone knows if theres an easy way of reading AQ temps without sticking in another sensor I can check that?

I'll try redoing the cable to PWM splitter to see if thats an issue but I'd have thought if they were losing PWM signal it would be more of a, from low directly to high type of rpm read out. The RPM readout looks too 'controlled'.

Going to try resetting to factory and starting again with the software side of things out of pure hope again too.

And its a AQ6 sorry.

InfoSeeker

Senior Member

dimanche 10 janvier 2016, 15:56

Citation de "b1uew01f"

Though if anyone knows if theres an easy way of reading AQ temps without sticking in another sensor I can check that?

With an aquaero 6 and only PWM control provided by the 6, you should have no temperature issues.
You can see the fan amplifier temps under the aquaero > Sensors > Temperature tab.

GTXJackBauer

Full Member

dimanche 10 janvier 2016, 19:49

I spoke to AQ again and they told me that the max temps those channels can handle is 80c which is far from what were getting. My temps per channel average from 35c-40c so we have a long way before they get too hot and iirc, they have protection built-in as well.

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