SYMA X440 Bedienungsanleitung Seite 21

5.0 Troubleshooting
Problem Cause
After the is powered
1. The and the remote control are not
on/failed to take off,
bound with each other.
the indicator light
2. The enters low voltage protection
keeps flashing rapidly
No horizontal calibration
Fly sideways
when hovering
1. No horizontal calibration
2. Unstable air pressure in bad
Unstable fixed
weather conditions
height/movement
3.Cluttered gyroscope data due to
up and down
violent collision
Motor not working Check the motor for foreign objects
(eg: hair, sand)
Remote control not 1. Beyond the remote control
working distance
2. Low battery of the remote control
Unable to bind Check the battery of helicopter and
frequency remote control
Check whether the fan blade is
Violent vibration
installed correctly or the fan blade is
damaged
Solution
1. Correctly bind the frequency between
the and the remote control. The indicator
light keeps on with the successful
frequency bind.
2. The battery voltage of the is too low,
please fully charge the battery
Re-level calibration, place the on a
horizontal surface, and push the left and
right push sticks of the remote control to
the lower right corner for about 3
seconds. The indicator light on the
flashes quickly and then turns normal
on, indicating that the calibration is
successful.
1. Re-level calibration, place the on a
horizontal surface, and push the left and
right push sticks of the remote control to
the lower right corner for about 3
seconds. The indicator light on the
flashes quickly and then turns normal
on, indicating that the calibration is
successful.
2. Try to avoid flying in bad weather and
use it in a windless environment indoors
3. Re-level calibration and operate
according to point 1
Regular inspection and cleaning
1. Within the controllable flight range
2. Replace the remote control battery
and install it with correct polarity.
Charge the , or replace the battery of the
remote control with the correct
installation
The fan blade is deformed, replace the
fan blade and install the front and back
fan blades correctly
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