11-07-2019 12:30 PM
Fusion 360 files are not yet compatible with GOPro Plus
Regarding the power issue, please try resetting the camera to its factory settings. https://community.gopro.com/t5/en/Reset-Camera-Settings/ta-p/388279
If it's still the same, proceed with a manual update. https://gopro.com/en/us/update/fusion
Let us know how it goes.
You may also reach out to our Support Team for assistance through https://gopro.com/help/ContactUs