IF1200A Pilot Operating Handbook 14. Power On the Aircraft
GPS LED / Audio Behaviors and Meanings
GPS LED / Audio Behavior Meanings
Initializing gyroscopes. Hold the vehicle still and level while it
initializes the sensors.
Disarmed, no GPS lock found
Disarmed (ready to arm), GPS lock acquired
Same as above but GPS is using SBAS
Solid green - with single
long tone at the time of
arming
Armed, GPS lock acquired. Ready to fly
Failing pre-arm checks (system refuses to arm). Check the
pre-arm error message
Flashing yellow - with
quick beeping tone
Battery failsafe activated
Flashing yellow and blue
- with high-high-high-low
tone sequence
(dah-dah-dah-doh)
GPS glitch or GPS failsafe activated
Flashing red and yellow -
with rising tone
EKF or Inertial Nav failure
Flashing purple and
yellow
Error. Usually due to inability to detect SD card (try to re-plug or
replace SD card), MTD device, or IMU sensors. Analysis can be
found in BOOT.txt in SD card.
Solid Red with SOS tone
sequence
SD Card missing (or other SD error, i.e., bad format etc.)
No firmware detected or firmware corrupted
IFT Doc Num 102094, Rev 1.02 Page 34