---
title: "Connect module status indicator lights — HDL410 | Nureva support"
slug: "connect-module-status-lights-hdl410"
description: "Understanding the HDL310 and HDL410 connect module status indicator lights and how to troubleshoot any issue."
tags: ["Configuration", "Connect module", "Feature", "HDL310 system", "HDL410 system", "Setup", "Software"]
updated: 2026-06-26T23:30:41Z
published: 2026-06-26T23:30:41Z
canonical: "support.nureva.com/connect-module-status-lights-hdl410"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.nureva.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Connect module status indicator lights — HDL410

he Nureva® HDL310 and HDL410 systems feature status indicator lights on the front and back of the connect module. The status indicator lights can be used to help troubleshoot issues with the system and confirm the device is ready to be used.

![Connect module front view](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/cm2.CM2%20-%20front%20with%20LEDs.jpg) Front view

> [!NOTE]
> Note: Use our network connectivity tool to diagnose configuration issues. If the network passes the connectivity test and power cycling the device does not help, please contact [Nureva support](https://www.nureva.com/contact-us/support).

## Understanding the front status indicator lights

| Version | Status light definitions |
| --- | --- |
| Firmware 2.0.318283 or earlier | [Connect module status indicator lights](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/CM2%20status%20lights%20-%20FW%202.0.318283%20(earlier).pdf) |
| Device version 2.6.346282 or later | [Connect module status indicator lights](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/CM2%20status%20lights%20charts%20-%20DV%202.6.346282.pdf) |

## Overheating warning

| Indicator | Description |
| --- | --- |
| ![Status light - connect module has overheated](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/cm2.front.status.lights.explained.overheating_04.24.jpg) | **Solid red:** The connect module has overheated and needs to be shut down. - Unplug the connect module, wait at least 10 minutes and plug it in again. - If this issue persists, please contact [Nureva support](https://www.nureva.com/contact-us/support). |

## Blinking and pulsing

### Blinking

| The status light is on for 1 second and then off for 4 seconds. |
| --- |
| ![](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/blinking_icon_padded_green_2.5_sec.gif) |

### Pulsing

| The status light is on for 0.25 seconds then off for 0.1 seconds. |
| --- |
| ![](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/pulsing_icon_padded_green.gif) |

## Understanding the rear status lights

![Connect module rear view](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/cm2.back.status.lights.explained.rj45ports_04.24.jpg) Rear view

| Yellow | Green | Description |
| --- | --- | --- |
| Off | Off | The system is not switched on. |
| Flashing | Off | This port has been connected to a network. Connect to a microphone and speaker bar instead. |
| Flashing | Flashing | Incorrect setup. Confirm the Ethernet cables are working and connected to a microphone and speaker bar. |
| Off | Flashing | The port has been shut down due to a PoE error. The port may be drawing too much power and has shut down for safety. Please contact [Nureva support](https://www.nureva.com/contact-us/support). |
| Flashing | On | No issue. This port is connected to a microphone and speaker bar and is functioning correctly. |

![Connect module rear view](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/cm2.back.status.lights.explained.network.port_04.24.jpg) Rear view

| Yellow | Green | Description |
| --- | --- | --- |
| Off | Off | The system is not switched on or the network cable is not connected. |
| Off | On | This network cable is connected but there is no data being communicated. |
| Blinking | On | No issue. This port is connected to a network and is functioning correctly. |