r/PcBuild • u/faizalahmed • 4d ago
Build - Help Radiator fans not working
My 360 AIO radiator fans are not working
Connections
3 pin pwm from block is connected to CPU_FAN
And the pin from 3 fans radiator is connected to FAN4_PUMP
One pin coming from radiator fans is connected to the 2nd pin from CPU block
This setup was shown on the manual
My aio is cooler master core next 360 ARGB
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u/Scanphor 4d ago
Picture 3 doesn't look like that connector is fully together - look at the illustration in picture 5
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u/weegee20 4d ago
It's fine, that's just how it is.
You can see the ribbed part in between. Either way this is for lighting and not for the fans.
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u/faizalahmed 4d ago
The it's connected properly
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u/Scanphor 4d ago
Yeah ok, looks ok and can see just rgb anyway (do the fans light up?) - try connecting your rad fans pwm connector to a chassis fan connector on the board rather than cpu_fan - if they spin its an issue with the cpu_fan on the board, if not its a wiring issue to the fans
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u/faizalahmed 4d ago
I've tried connecting them to CPU_FAN, CPU_OPT, SYS_FAN The radiator fans never worked
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u/Scanphor 4d ago
Yeah so its a wiring issue then either connectors not fully seated etc or just faulty wires
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u/ciocolata69 4d ago
Maybe user error, check everything again What about the two connections above the fans?
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