I just purchased a Phantom 2 with H3-3D gimbel. After following the installation instructions and videos, I cannot power on my Phantom 2. I've watched the videos to power the device on (i.e. press once/press and old for 2 seconds. The lights on the battery light up the same way I see on videos, but the LEDs under the arms do not light up. After a few seconds the battery lights turn off too. Anyone have any idea what's going on? Or how to troubleshoot? This is driving me crazy. It's been multiple days and I can't enjoy my new purchase.