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Phantom4 UserManual
Aircraft
Aircraft Status Indicator Description
Normal
Alternatively
Red, Green and Yellow Flash
Power on and self-check
Green and Yellow Flash Alternatively Aircraft warmming up
Safe to Fly (P mode with GPS and Vision
Green Flashes Slowly
X2 Green Flashes Twice
Yellow Flashes Slowly
Positioning)
Safe to Fly (P mode with Vision Positioning but
without GPS)
Safe to Fly (A mode but No GPS and Vision
Positioning)
Warning
Fast Yellow Flashing Remote Controller Signal Lost
Slow Red Flashing Low Battery Warning
Fast Red Flashing Critical Low Battery Warning
Red Flashing Alternatively IMU Error
—
Solid Red
Critical Error
Red and Yellow Flah Alternatively Compass Calibration Required
Return to Home (RTH)
The Return to Home (RTH) brings the aircraft back to the last recorded Home Point. There are three cases
that will trigger RTH procedure; they are Smart RTH, Low Battery RTH and Failsafe RTH.
GPS
Description
Home Point
The Home Point is the location at which your aircraft takes off when the
GPS signal is strong. You can view the GPS signal strength through the
GPS icon ( ). If you are using the Dynamic Home Point
setting,
the Home Point will be updated to your current position as you move around
and when the Aircra
reen.
Smart RTH
Using the RTH button on the remote controller (refer to “RTH button” on P28 for more information) or the RTH
button in the DJI Pilot app when GPS is available to enables smart RTH. The aircraft return to the latest
recorded Home Point, you may control the aircraft's orientation to avoid collision during the Smart RTH. Press the
Smart RTH button once to start the process, press the Smart RTH button again to exit Smart RTH and regain
the control.