engine error

I've seen various discussions on this topic, but none have seem to address my specific situation. I upgraded the Mavic to 0.600 several weeks ago and the gimble began to malfunction intermittantly. I never experienced this problem before the mandatory upgrade to .600, and I have never crashed...

Hey guys. I had a dead piece of grass on one of my props the other day. It happened while landing. No crashes or anything, just put it down in longer grass. I now get an error message while trying to take off (engine or prop error). I also noticed that three of the props turn quickly when...