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Phantom 4 RTK User Manual
Aircraft Status Indicators
The Phantom 4 RTK has Front LEDs and Aircraft Status Indicators. The positions of these LEDs are shown
in the gure below:
Front LEDs
Aircraft Status Indicators
Aircraft Status Indicator Description
Normal
Alternate red, green and yellow ashing Turning On and Self Diagnostic Testing
Alternate green and yellow ashing Warming Up
Slow green ashing P-mode with GNSS or RTK
×2 Two green ashes P-mode with Vision System
Slow yellow ashing A-mode but No GNSS or Vision System
Fast green ashing Braking
Warning
Fast yellow ashing Remote Controller Signal Lost
Slow red ashing Low Battery Warning
Fast red ashing Critical Battery Warning
Red ashing Uneven Placement or Large Sensors Bias
—
Solid red Critical Error
Alternate red and yellow ashing Compass Calibration Required
The Front LEDs show the orientation of the aircraft. The Front LEDs glow solid red when the aircraft is turned
on to indicate the front (or nose) of the aircraft. The Aircraft Status Indicators communicate the system sta-
tus of the ight controller. Refer to the table below for more information about the Aircraft Status Indicators.