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need some help trouble shooting my fan controller

post #1 of 5
Thread Starter 
i am in the beginning stages of building my first water cooled rig. i have 6 fans on my rad in push pull

http://www.bitfenix.com/global/en/products/accessories/spectre-led x3

and http://www.bitfenix.com/global/en/products/accessories/spectre-non-led x3

those are going to 1 channel of my lamptron FC-6 i did this with a terminal strip to keep everything neat.

http://www.lamptron.com/products/view/Fan_Controller_FC6

i only have 1 RPM feed back from the fans going to the controller so as to not confuse it. i seem to be getting a TON of heat from the heat tiny heat sync on that channel and my fans are only running at 750 RPM but they are rated at 1000 +/- 10% from my calculations the power requirements should be well withing specs for this controller. thoughts are appreciated.
post #2 of 5
Well it says Up to 20 watts per controller...
I did some basic calculations assuming the fans running at 12 volts.
The LED fans are rated .16 amps so with 3 that would be 5.76 watts.
The non LED fans are rated .10 amps so with 3 that would be 3.6 Watts.

However I am going to assume that it can only set 1 power level so lets go with the LED version, so a total of 11.92, or 12 Watts. That is pretty close I think to the Up to maximum rating of the controller. If you factor in the -+10%... your looking at closer to max of 18 Watts.

So either the controller is working hard, or the LED mixed with non LED fans is messing with the controller, have you tried running on just 1 type of fan to see if the same outcome happens?
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post #3 of 5
I had a similar issue using a 4 port PCB hooked to my Lamptron FC5v2. To me, it seemed like the power was split, even though it was wired in parallel. When I used a combination of 4 pin molex and standard 3 pin fan headers, that issue went away. I cannot explain it.

I'm in the process of creating some custom 3 pin splitters for my current setup to see if that helps.
 
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post #4 of 5
Does the controller support the fans? For example: PWM fans vs Analog fans.
post #5 of 5
Thread Starter 
problem solved. that particular channel of the fan controller was just bad. i did however split the fans up to 2 serprate channels jsut to be safe
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