Skynode S LED status indicator

There are two sets of Red, Green and Blue LEDs on Skynode S.

The LEDs on the MIPI connectors side indicate the status of the companion computer.

Skynode S MIPI connectors side

LED	State	Meaning
Blue	On	Flight controller communicating with the companion computer
Green	On	AuterionOS has finished booting.
All LED	Flashing	Device is thermal throttling.

The LEDs on the other side indicate the status of the flight controller.

FMU side

LED	State	Meaning
Green	On	Flight controller power is on.
Red	On (during boot)	FRAM mounting failed or a hard fault occurred.
Red	Blinking (after boot)	CPU or RAM overload detected.
Blue	Blinking (drone armed)	Failsafe mode activated.
Blue	Not blinking (drone not armed)	Error state; there is an issue with the Commander.
Blue	Blinking every 100ms (drone not armed)	Not ready to arm.
Blue	Blinking every 1s (drone not armed)	Ready to arm.