Reely C129 V2 - 15 Troubleshooting

36
15 Troubleshooting
Problem Possible Cause Suggested solution
Connect the battery with helicopter,
thenthesignallightkeepsashing
and without response when
operate.
The helicopter without connection
with the transmitter.
Bind the transmitter again.
The helicopter without any respon-
se when you connect the battery.
Check the power supply of helicop-
ter and transmitter.
Check the battery’s voltage of the
helicopter and transmitter, batteries
had a poor connection.
Use full voltage batteries.
Install the batteries again.
Conrmthebatterieshaveagood
connection.
Push the throttle but the motor
does not work, the receiver’s signal
lightkeepsashing.
Helicopter’s battery has a low
voltage.
The LiPo battery has a poor
connection.
Charge the battery or change to a
fully charged battery.
Connect the battery to receiver
again.
Turn on the helicopter after bind,
the main blade can rotate but the
helicopter cannot take off.
Helicopter has a low voltage.
The main shaft and the gear may
be lose.
Charge the battery or change to a
fully charged battery.
Press the main shaft and gear
tightly.
The helicopter is violently shaking. Main rotor deformed, cross shaft
bent, tail rotor bent.
Blade clamp screws are too tight
and cause the main blade not to
rotate.
Change the main blade.
Change the cross shaft.
Change tail rotor.
Loosen the blade clamp screw
Helicopter spinning to left after
takeoff.
Tail motor has low power.
The blade is loose
Tail motor is broken.
Check the connection of tail blade and motor shaft. If loose, change tail blade or tail motor. Check the connection of tail blade
and motor shaft. If loose, change tail
blade or tail motor.
The helicopter has a little yaw. Made a operational error of the trim-
ming button.
According to its yaw direction, push
the trimming button in the opposite
direction.
The helicopter has a serious yaw. Check the servo if it works properly.
Check the swash plate.
Check the rod sticks if loosing.
Replace damaged parts.