Copyright ©2021 Ruko All Rights Reserved. 9
Common Problems and Solutions
The gyroscope is not calibrated
Question Reason Solutions
The motors cannot be started
The Transmitter signal is
interfered or the Aircraft
exceeds the range of remote
control
Wait until GPS signal is found before
taking off
Follow the correct corresponding markings
to install blades
Please fly the Aircraft outdoors without
interference, and ensure that it is within a
controllable range
Please manually land the drone in time and
calibrate the compass. Please make sure
to fly away from the buildings, trees,
power lines, and signal towers
Can't fly high after flying to 4
meters
Can't take off after replacing the
blades
Out of control, spinning around
on its own, abnormal sound
Pictures and videos can't be
saved in SD card
Only photos and no videos are
saved on the mobile phone
Replace the propellers with new ones
Please fly the Aircraft in an open area free
of obstacles within the circle of radius
32.81 ft(10 meters)
The propellers become
deformed and incomplete
GPS signal is unstable. Flying
near buildings and in
obstructed places
It can only fly 4 meters high in
optical flow mode
The GPS signal is not found
when flying outdoors
4 blades are installed reversely
or 1 blade is installed wrong
Compass interference
The propellers become
deformed and incomplete
The SD card is full
The storage file format is not
set correctly
Problem of SD card
This is the unique design of the
camera, not a malfunction
After the SD card is installed, the mobile
phone does not store video, which is
stored on the card
Replace the propellers with new ones
Delete the contents of the SD card
Select the FAT32 file format when
formatting
Try to format or replace the SD card
Turn on the Aircraft in an open area with
strong GPS signal
The Aircraft has low battery. Please charge
the battery in time
Push the left and right joysticks
simultaneously to 5 o’ clock and 7 o’ clock
for 2 seconds
Weak GPS signal
The red light stays on
The left and right joystick
are not in place
Please fly the Aircraft above 9.84ft(3
meters)
Place the Aircraft on a horizontal surface
and conduct gyroscope/horizontal
calibration. Please refer to the "Calibration
Before Flight" section of the user manual
Unstable flight
Flying too low, affected by
airflow
