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Exhaust fan blowing a gale!

2ndcoming · 2020-01-23 22:21:39

Hi lads, Just been having an issue with the rear exhaust fan, it's running of it's own accord from 1300 up to 2300rpm regardless of how I set it in the BIOS? For info it's an ASRock Z170 running an i5-7600k clocked to 4.5 with Corsair H80i AIO watercooler, Corsair fans one in front, one out the back. I set the intake fan…

23-01-2020 11:21pm

#1

2ndcoming

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Hi lads,

Just been having an issue with the rear exhaust fan, it's running of it's own accord from 1300 up to 2300rpm regardless of how I set it in the BIOS?

For info it's an ASRock Z170 running an i5-7600k clocked to 4.5 with Corsair H80i AIO watercooler, Corsair fans one in front, one out the back.

I set the intake fan on the same curve and it runs in the few hundred RPM range so it is confusing me a bit!

One interesting thing, (maybe), is that the exhaust fan is in the Fan 1 header and reads as Fan 1 in the BIOS but HWMonitor reads it as Chassis fan 3, but there is none obviously.

Any ideas?

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Comments

#2 23-01-2020 11:38pm

2ndcoming

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Its's actually throwing in a dodgy reading of 19640rpm on both the BIOS and HW monitor as well.

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#3 24-01-2020 12:06am

ED E

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Replace the fan, its PWM sensor is dead.

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#4 24-01-2020 12:32am

2ndcoming

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Thanks, I'll try that. Pretty sure there's a spare that came with the AIO.

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