If anyone could help me out with my problem, i'll appreciate. I've made some modifications at my DJI F450 quad. I have changed the position of the iOSD because in the previous position i didn't had access to the mini usb port. Since then i can't start the quad. Each time i connect the battery, the naza led continuously flash orange like this:
https://www.youtube.com/watch?v=euIfpk8hy28&list=UUw6tVo8Jz4bGumtSbN43e4A
https://www.youtube.com/watch?v=euIfpk8hy28&list=UUw6tVo8Jz4bGumtSbN43e4A