E Star HUBBLE-11 User Manual - page 6
EN
HEADLESS ( COMPASS) MODE FUNCTION (12)
AUTO RETURN FUNCTION (13)
TROUBLESHOOTING INSTRUCTIONS
Normal mode is used to control the drone positioned accordingly in front – back position.
Headless mode enables to control the drone according to joystick commands in any drone positioning. After
Headless mode button is pressed, you will hear the beeps. Press again the headless mode button to return to
default flight mode.
NOTE: THIS FUNCTION IS NOT ACTIVE IN HEADLESS MODE !
When you are flying the drone, it is possible to return it back to Operator position by pressing Auto return button.
The drone will automatically fly to the direction of RCU / Operator. Warning: the drone will NOT perform automatic
landing! Please switch the function off by pressing the button again to overtake the drone control at Close range.
Situation
Cause
Way to deal
Receiver status LED blinks continuously
for more than 4 seconds after vehicle is
powered, no response to control input
Unable to bind to transmitter
Repeat power up initializing process
No response after battery connected
to drone
1.Power to transmitter and
receiver
2. low transmitter / receiver
voltage
3. poor contacts on the
terminals
1. Check if battery is connected properly,
turn on the drone again.
2. Use fully charged batteries
3. Re-seat the batteries in the battery
compartment after checking their
condition
Motor does not respond to the throttle
stick lever, LED flashes
Battery depleted
Change / charge the battery
Main rotor spins, unable to take off
Main rotor blade deformation
Drone battery depleted
Inspect the propellers and replace if
necessary
Change / charge the battery
Strong vibration of the drone
Deformed blades / axis
Replace the blades,
apply to the Service Center
Tail still off trim after fine adjustment,
inconsistent speed during flight or turn
Damaged rotors
Damaged drive motor
Replace rotors / motor
Flight is still not stable after trim
adjustment during hover
Gyroscope operation fault
Repeat Automatic Calibration procedure