F450, brand new, bought it already assembled (my mistake) just can't seem to find the time for both. But anyway, the NAZA works the receiver has power but NO power to the motors. Normally I would check the voltage on the solder pads but there is SO much protectant you can't get a voltmeter on it. And it seems odd there would be a bad solder on all four??? It had the E300 kit installed on it if that helps. Any reason there would be power to part but NONE of the motor?