Brushless motor or ESC failure? Troubleshooting the MJX Bugs 3 drone03:32

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This pretty basic test has been recommended also in the RC Groups forums – all you need are some wires, isolation tape and a knife. Of course you need access to the motors and ESCs suspected.
Knowing that most of the quads have CW and CCW motors (usually marked as A and B) we can easily take advantage of this fact. These motors are usually opposite each other. In my case I will “swap” the back right with the front left motor.

You may apply this troubleshooting technique on almost every quadcopter that has brushless motors.

If you like the MJX B3, you can get it at great discount from GearBest (use coupon code “Bugs3”)

https://goo.gl/Pkl1Se coupon MJX30OFF

Here’s a list with most of the spare parts:

https://goo.gl/mDk72h – Original Bugs 3 battery
https://goo.gl/BJuSP9 – CW Motor
https://goo.gl/bdjtFO – CCW Motor
https://goo.gl/ZHjMw3 – Camera Frame
https://goo.gl/NVFfvu – Flight Controller and receiver
https://goo.gl/KY3pDL – Main Frame / Body
https://goo.gl/v8XLN3 – Transmitter

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