UBSAN Q4 Instruction Manual page 14

H111 TROUBLESHOOTING
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 o again.
3. Unable to Flip
(1) Press the Elevator stick brie y to switch into high stage(transmitter LED blinks orange,
three "Beep"). Please check Elevator 7. Sensitivity Setup;
(2) Press the throttle stick to turn o the anti- ip;
(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 brie y to swtich into high stage(transmitter LED blinks orange, three
"Beep").
6. Can not take o .
(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 di erent types of motors with di erent motor wire colors.
Please check the pictures below for the correct order.
B
A
(Top View)
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 ight controller looks burnt. Replace the ight controller.
8. The Q4 always drifts to one direction.
Calibrate the accelerometer as follows:
FRONT
A
Blue
Black
B
13
White
Red
Blue
Red
White
(Bottom View)
Black