No throttle on APM 1.4

Hey all,

Hoping you'll be able to help!

So, I've got everything working except the throttle output. The Tx/Rx Calibration in mission planner picks up the throttle input, but I can't get the motor to spin.

I've attempted multiple flight modes and powering up the APM via USB first and then switching it over to ESC without success. I'm running a Hobbyking 20 ESC BEC if that helps. Also, the Mission Planner shows as being armed.

Any thoughts on where to keep troubleshooting?

Cheers,

Ryan.

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  • Also, everything works fine through the receiver and the ESC if I remove APM, so I know the motor is in working condition.

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