DJI Phantom 2 Vision Plus User Manual - Manual (Page 12)

Assembly and Use
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Figure 11 Figure 12
Rear LED Flight Indicators Normal Notes
Red, Green, Yellow
flashing in turn
Power On Self-Test
Yellow,Green flashing in turn Warming Up Aircraft cannot take off.
Slow Green flashing Ready to Fly More than 6 GPS satellites are found.
Slow Yellow flashing Ready to Fly (non-GPS) Less than 6 GPS satellites are found.
Rear LED Flight Indicators Abnormal Notes
Quick Yellow flashing Remote Control Signal Lost
Refer to Failsafe Function (Page27) for
details.
Slow Red flashing Low Battery Level Warning
DJI VISION App will also show warning
message.
Quick Red flashing
Critical Low Battery Level
Warning
DJI VISION App will show warning
message.
Three Red flashing off and on Not Stationary or Sensor Bias is
too big
Keep aircraft stationary or perform IMU
calibration.
— Solid red Error Cannot fly.
Red, Yellow flashing in turn Compass Needs Calibration
Refer to Calibrating the Compass
(Page25) to get details.
If a solid red LED indicator appears, connect to the Phantom 2 Vision+ Assistant for details and resolution.
This may be caused by:
IMU calibration required: Recalibrate IMU using Assistant.
IMU is abnormal: Repair required.
Compass is abnormal: Repair required.
Remote Control mid-point is set abnormally: Refer to How to solve large margin(s) mid-point error? (Page 49)
3.4 3-axial Stabilized Gimbal
The 3-axial stabilized gimbal of the Phantom 2 Vision+
will power on and self-check each time the flight battery
is installed and powered on. Its pitch can be controlled
using the DJI VISION App. This gimbal has two working
modes, Non-FPV mode and FPV mode, with the Non-FPV
mode set as default. This can be configured in Phantom 2
Vision+ Assistant or the DJI VISION App.
3.3 LED Flight Indicator Descriptions
LED flight indicators are found at the front and the rear of the Phantom. Front LEDs are for indicating where the nose of
the aircraft is. They light up solid red after motors have started spinning. Rear LED Flight Indicators light up to show the
aircraft’s current flight status once the flight battery is powered on. For details, please see the below table.
Front LEDs Rear LED
Flight Indicators
Preparing the Phantom 2 Vision+
Figure 13