Brand new Eachine QX90C Pro – One motor spinning even when quad is not armed00:15

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A rather weird issue on this brand new Eachine QX90C Pro, brushed FPV quadcopter. When battery is connected, one motor will rev up shortly, then go to idle speed. Even when throttle is not armed, it will keep running.

Banggood Customer Service asked me to make a video, and here it is.

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    1. PropGear

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