how do u fix an unresponsive walkera 4 #3b rc heli?

Question by ethen7: how do u fix an unresponsive walkera 4 #3b rc heli?
i have a walkera 4#3b rc heli. it is unresponsive to the remote. it wont sync with it. i have tried everything and i can figure it out. it started out as like disconnecting briefly and then reconnecting within about 1-3 seconds. enough time to lose control of it. and now it wont even sync. HELP!!!!! PLZ!!!

Best answer:

Answer by Kev
Make sure all batteries are charged and that all connections are secure.
I'm assuming it has 2.4ghz radio so it can't be a crystal problem.

Take it along to your nearest hobbyshop, they will advise you on how to sort it out.

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