Hello,

I wanted to see if anyone has a solution for me. I was flying the drone this morning just fine. I landed it, put in a new battery and when I tried to take off again, it wouldn't respond. I turned everything off, brought it inside and checked over everything. I went back out about an hour later and turned everything on. It looked good for launch. I wasn't getting any connection errors and once again, when I slowly throttled up, nothing happened. When I toggle the left joystick left and right, the gimbal moves so I know there is communication between the controller and the drone. Any insight would be greatly appreciated. Thanks!

Are the props spinning? So, when you try to lift off they just don't spin fast enough to achieve lift? Otherwise everything seems fine?
Plug in to the assistant software and make sure your transmitter is still set to Mode 2. Mode 1 is reversed and I've seen this happen before, where it mysteriously gets switched. In Mode 1 the right stick is not throttle, so when you are pressing up it doesn't lift off. Obviously this is a guess on my part. But I've seen similar situations before. Let us know!

Tony@CVP Posted at 2014-10-31 03:09
Are the props spinning? So, when you try to lift off they just don't spin fast enough to achieve lif ...

Thanks for the response. I will plug in to the software. The props actually don't spin at all, weird.

You would have done the CSC before throttling up...
So the CSC brought no response?

got it working! Thanks guys!

And the problem was?

Oh, yeah not Mode 1 problem them. I suspect.

Can that change by it self?

From the few times I've heard of that happening the person says it changed by itself. I've not seen it. But apparently it's happened.

Tony@CVP Posted at 2014-10-31 03:09
Are the props spinning? So, when you try to lift off they just don't spin fast enough to achieve lif ...

Same happened to me.

Just got the updated Phantom 2. Flew it for ten minutes to check everything before installing gimbal and the interference board under the hood. Got everything finished, put back together, did a test fight... and it wouldn't take off. It would start, engines would increase slightly in rpm's but not enough to take off. Recalibrated with the RC and PT2 software twice. Same thing. Try to take off, rpm's increase slightly, but no lift.

Hooked up to RC software and a mode wasn't checked for mode 1 or mode 2. Clicked it to mode 2 after seeing Tony's suggestion here. That was it. She flys like a bird now. Thanks Tony.

fhagan02@me.com Posted at 2014-11-8 09:49
Same happened to me.

Just got the updated Phantom 2. Flew it for ten minutes to check everything ...

It is absolutely crazy that this thing switches to 1 automatically. haha. Glad I could help!

Damn!  That could REALLY screw you up if the mode changes unexpectedly!

Wonder how common this is, and could it happen while in flight?  THAT could account for "out of control" for sure!