1. Transmitter and Q4 will do not pair.
Throttle position needs to be fully minimized. Please do not move the transmitter sticks or
trims during initial power-on binding.
2. Gyro not working well
(1) Battery voltage too low.
(2) Re-bind
(3) Land on to the ground with the throttle fully minimized for 3 seconds and take off again.
3. Unable to Flip
(1) Press the Elevator stick briefly to switch into high stage(transmitter LED blinks orange,
three "Beep"). Please check Elevator 7. Sensitivity Setup;
(2) Press the throttle stick to turn off the anti-flip;
(3) Lipo power is too low and needs to be re charged.
4. Nano quad is shaking or oscillating with noise.
Please check to see that the motors, canopy, body and props are all properly positioned.
5. Switching between Elevator and high rates on the transmitter is not very user-friendly.
Press the elevator stick briefly to swtich into high stage(transmitter LED blinks orange, three
"Beep").
6. Can not take off.
(1) Wrong installation of the props. Props are marked with "A"(CW) and "B"(CCW). Please check
the pictures below for the correct order.
(2) Wrong installation of motors. Please check to make sure that each motor is installed in its
correct position. There are two different types of motors with different motor wire colors.
Please check the pictures below for the correct order.
7. One or more motors stop working
(1) Motor is damaged. Replace the motor.
(2) The motor connections(s) are disconnected. Resolder.
(3) An FET on the flight controller looks burnt. Replace the flight controller.
H111 TROUBLESHOOTING
White
White
Black
Black
Blue
Blue
Red
Red
(Top View)
(Bottom View)
FRONT
A
B
A
B
13
8. The Q4 always drifts to one direction.
Calibrate the accelerometer as follows:
