troubleshooting remote control aircraft maintenance methods
troubleshooting : repair method
main blades do not rotate/take off offset : aircraft re-power on the code,
if not solve the problem check whether the deformation of the blades of aircraft,
such as severe deformation should be replaced.
can not take off : aircraft re-power on the code,
if not solve the problem according to the reference manual
(the accelerator calibration) for calibration.