Problem controlling fan speed using pwm fan hub always at 100% speed

Hi Everyone,

I am having a problem adjusting my fan speeds on my computer. The fans are stuck at 100% at all times. I am using the GA-Z170N mini itx and I didn't have enough fan ports on the motherboard so I bought the Silverstone PWM fan hub to connect all the fans together. I am using af120 & sp120 RGB fans to cool my computer. I tried using the Gigabyte fan controller software and the PWM settings in the bios but the fans stay at 100% no matter what. I also tried using a Noctua PWM fans as the PWM fan receiver with the Silverstone hub but the fan still stays at 100%. I also tried just plugging a single PWM fan on the board and I can't control it at all. I'm wondering if you guys have any idea to what might fix this issue.

Thanks, everyone!

Intel Core i7-6700K
Corsair H100i
Gigabyte GA-Z170N
Corsair Vengeance LED
Intel 600p 512GB M.2-2280
Toshiba P300 3TB
MSI GeForce GTX 1080
Fractal Design Define Nano S
Corsair SP120 RGB
SilverStone PWM Fan Hub
Noctua NF-F12 PWM
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