[Answered] All motors except #1 respond to throttle. #1 just beeps every three seconds...

3D Robotics Quad

APM 2.5

All motors respond to manual calibration and respond to throttle when individual ESCs are connected to lipo and throttle channel.

When I use auto calibration all motors respond to throttle except #1 which just continues to beep

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Motors appear to arm (LEDs solid) but don't after successful manual calibration...

***First time doing this disclaimer.***

I'm having trouble arming the motors after successful manual calibration of all four. I'm using the Turnigy 9X with a 3DR Kit and am able to individually calibrate and control each motor when connected only to t

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