lemon

my Lemon 6ch has been bound to my DXs tx, and used twice now. 3rd time at the field there is 1 quick flash then nothing. No lights, sounds, nothing functions. How can i trouble shoot this? 1ch empty, 2ch throttle, 3ch aileron, 4ch elevator, 5ch rudder. Battery checker says 3.85v on each cell

Hey guys! I've been building a quadcopter using the Electrohub frame and the electronics package from RTF quads. I followed the build video step for step and I got everything together yesterday, and did a test on the quad (which worked, yay!) The next day, I was flying outside my house in a...