ADU 0197: What would cause one of the motors on my new Cheerson CX-20 to not spin? Is it an ESC calibration issue, or something else?

Summary: Today's question comes to us from Chris, who is having an issue with a new Cheerson CX-20 he's purchased and unboxed. After assembling it and starting it up he noticed one of the motors would not spin. So he's asking us what would cause this to happen? Is it an ESC calibration issue? Motor? Something else? Sorry you're having issue with your new UAV, Chris. We'll do our best to get you helped out and flying. Thanks a bunch for the question, and fly safe! Get your questions answered: http://askdroneu.com/. Tell us what you think of the our show. We listen and tweak often. So please leave a review on iTunes: https://itunes.apple.com/us/podcast/ask-drone-u/id967352832 Follow us: Site - http://thedroneu.com/ Facebook - https://www.facebook.com/droneu Instagram - https://instagram.com/thedroneu/ Twitter - https://twitter.com/thedroneu YouTube - https://www.youtube.com/channel/UCgJ5K7wWoFlnYC3e8eIxYrA