Trouble Shooting; Contact Us - Holy Stone HS120D Instructions For Use Manual

14.0 TROUBLE SHOOTING

Problems
Drone flashes and don't
respond to the transmitter
during operation.
The propellers spin, but
the drone cannot take-off.
The drone shakes heavily.
Drone cannot stay balanced
in flight.
Drone is unstable after
crashing.

15.0 CONTACT US

Please do not hesitate to contact us if you need further support.
usa@holystone.com (America)
ca@holystone.com (Canada)
eu@holystone.com (Europe)
jp@holystone.com (Japan)
+1(855) 888-6699
Reasons
1. Transmitter is not synced
to the drone.
2. Insufficient battery power.
1. Insufficient battery power.
2. The propellers are installed
in wrong orientation.
3. The propellers are distorted.
The propellers are distorted.
1. The propellers are distorted.
2. The motor doesn't work
properly.
Four-axis acceleration
sensor loses it's balance
after crashing.
-29-
Solutions
1. Refer to the Manual
and re-sync the drone.
2. Recharge the battery.
1. Recharge the battery.
2. Install the propellers in
right orientation.
3. Replace the propellers.
Replace the propellers.
1. Replace the propellers.
2. Replace the motor.
Restart and re-calibrate
the drone.