# Elios 2 LED patterns

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                                                   | <img src="/files/oWn0NocZ8MByUhkqvOZz" alt="" data-size="line"> |
| -------------------------------------------------------------- | --------------------------------------------------------------- |
| <p>Ready to fly</p><p>(low battery)</p>                        | <img src="/files/5I0LJ6Yxx8ccIytNKI3r" alt="" data-size="line"> |
| No radio link                                                  | <img src="/files/slf03x0iTljbsD6qXYgO" alt="" data-size="line"> |
| <p>Hardware error</p><p>(check Cockpit)</p>                    | <img src="/files/J4NLbfWjdDewpBfNUuJX" alt="" data-size="line"> |
| Motor error                                                    | <img src="/files/vP0z7Ce8dUMcroRGVIF9" alt="" data-size="line"> |
| <p>Firmware updating</p><p>(do not disconnect the battery)</p> | <img src="/files/2YFVJEpo55LnwcjWcZVq" alt="" data-size="line"> |

## **In flight**

|                                                |                                                                 |
| ---------------------------------------------- | --------------------------------------------------------------- |
| <p>Drone arming</p><p>(blinks for 3s)</p>      | <img src="/files/SwRZ3Kcm88yG0Zvmz1Ax" alt="" data-size="line"> |
| <p>Armed</p><p>(motors spinning)</p>           | <img src="/files/d32von85NwwFuP43Skp4" alt="" data-size="line"> |
| Low Battery                                    | <img src="/files/0613JtLvGghXVC2ETcXV" alt="" data-size="line"> |
| <p>No radio link</p><p>(emergency landing)</p> | <img src="/files/0VTzmnZYxQis9tbNkztv" alt="" data-size="line"> |


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