Battery is low. Please charge your battery. The charger indicator illuminates during charging and turns off when fully charged.

Battery is low. Stop flight immediately and replace controller batteries.

Turn the controller off and back on.

Push the left joystick up until you hear a beep, then pull it down until you hear a second beep. The front LED should stay steady. To take off, push the joystick up twice, releasing slowly on the second push.

Check motor installation: A-motors (red/blue wires) go on the left side of the nose, B-motors (black/white wires) on the right; reverse those for the rear. Also verify the battery is fully charged.

Verify the flight controls are installed correctly and calibrate using the calibration section of the manual.