Help with new Rc helicopter..WL V977

[ackl]

Hi after playing with a toy grade RC..decided to upgrade to WL 977..
But after i fly it for a day it keep spinning.(after a drop)
after searching for some answer..was told that should be a Main board faulty..
order the main board..and change it..but still the same..
any expert here willing to share what i can check..
thank you so much..

[tansh]

When you drop ur heli is there any thing drop off like tail blade?If ur tail blade drop remove and insert another way and try it again.

[tansh]

Btw is the tail blade turn while you increase ur throttle?

[ackl]

HI thanks for the reply.
at first the main gear drop out..after i push it back..seem like normal but it just keep spinning..
it seen like the tail blade is not doing it counter force.(it move)spinning toward the blade direction
might think to change the tail motor as i have extra..but HUM..not sure how to do it..still searching on net how to do this..