Need help with f3 femto

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Hey, I was just wondering if you could help me out. I just ordered a new F3 femto flight controller from emax-USA, because I had to replace a bad one. This flight controller is being used with the emax micro power pack for a flite test gremlin. I went through the whole process of flashing new firmware through betaflight on the flight controller. I got everything soldered up and I then went to the motors tab to calibrate the ESCs. I unplugged the battery and disconnect from betaflight, I then reconnected and went back to the motors tab to check motor direction. Motors 1, 2, and 4 spun up fine. Motor # 3 didn’t spin up at all. So I then went through the process of testing, motors and ESCs. I took the working motor and ESC from motor #2 and swapped it with #3. Motor #3 still didn’t work, but the motor and ESC from #3 worked fine on motor #2. Any ideas? Thank you for the help!

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sounds like an issue with the FC itself.  If you are running Betafight, there is a way to change motor outputs to spare Aux. ports if available on the board.  Double check that you are running the correct firmware for the board.  Let us know what you find.

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