# Status LED

A green LED on top of the enclosure is the status indicator of the S2 module. It indicates operations and modes as described in the table below. 

<table><thead><tr><th width="124">OFF</th><th width="102">ON</th><th>Status</th></tr></thead><tbody><tr><td>Yes</td><td>No</td><td>Power off or node faulty</td></tr><tr><td>3s</td><td>1s</td><td>Normal, no sensor connected</td></tr><tr><td>1s</td><td>3s</td><td>Normal, sensor connected</td></tr><tr><td>1s</td><td>1s</td><td>Error state, no connection over radio</td></tr><tr><td>No</td><td>Yes</td><td>Initiation (max 30s after power on).</td></tr></tbody></table>

&#x20;


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/status-led.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.