Basic diagnostic information is displayed on the four LED navigation lights of the ELIOS 2. A combination of blinking patterns and colors are used to transmit different types of information about the status of the drone.
Drone Idle:
|
Ready to fly |
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| Ready to fly (low battery) |
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| No radio link | ![]() |
| Hardware Error (check Cockpit) |
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| Motor Error | ![]() |
| Firmware Updating (do not disconnect battery) |
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Drone Armed/Flying
| Drone arming (flashes for 3 seconds) |
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| Ready (motors turning) |
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| Low battery | ![]() |
| No radio link (emergency landing) |
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