crwdns2933897:0crwdne2933897:0

main board parrot ar drone always restart

i have a parrot ar drone, after battery connecting, the led on main board gets red and green and red again, those are repeating . so what's happened and please som one can solve may problem ?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0