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Strange problem with Corsair SP120 fans and my fan controller


Vectoryzed

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Hi guys,

I have a problem with my two Corsair SP120 Quiet Edition fans and my fan controller (a Lamptron FC5 V2, up to 30 W per channel).

 

I've connected the fans both to one channel of the fan controller by a common splitter. The question is that when the channel control knob is between 0 and 60% everything works normally, but when I raise it to 60 or more the fans stop for a half of a second and then restart. This happens randomly (but it's very very frequent), and it seems that the channel loses power for a about 0.5 seconds.

It is very annoying because the temps raise during that 0.5 seconds, when the fans lose power.

 

The strange fact is that everything works fine with two Corsair AF140 Quiet Edition. They have the same splitter and are connected to another channel of the same fan controller.

 

Why do you think this happens?

I can't figure it out.

 

I also tried to change the channel, but the problem persists...

 

Thank you very much!

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