Understanding the LED Color Indicators on the React Mobile Nexus Device

AliCem (AJ) Kayar
AliCem (AJ) Kayar
  • Updated

The React Mobile Nexus Device uses LED indicators to show status: solid white during reboot, flashing blue when no connectivity, solid blue for network connection, flashing red for active alert without responder, flashing blue and red with responder, and solid green when alert is resolved. Health checks show green, yellow, or red based on battery level, with flashing green or blue indicating Wi-Fi or LTE signal strength, and flashing purple if unregistered and health check fails.

In this article, you will learn what the different LED indicators mean for the React Mobile Nexus Device.

 

The React Mobile Nexus Device will have a backlit React Mobile logo depending on its status.

 

 

Standby State

  • SOLID WHITE - The device will display solid WHITE LED when it is powering up after a reboot or restart.
  • FLASHING BLUE - The device will flash a BLUE LED when both Wi-Fi and LTE connectivity are unavailable.
  • SOLID BLUE - The device will display SOLID BLUE for 5 seconds to confirm a network connection (Wi-Fi or LTE/Cellular).

     

Alert State

To initiate an alert during an emergency, press the main button 5 times in rapid succession.

  • FLASHING RED - The device will flash a RED LED while it is in an active alert state without a responder.
  • FLASHING BLUE and RED - The device will flash a BLUE and RED LED when there is an active alert with a responder.
  • SOLID GREEN - When the alert is resolved, the LED will be solid GREEN for 5 seconds.

     

Health Checks

To complete the health check, press and hold the side (function) button and immediately tap the main (primary) button once, then release both. This will also update the "last check-in" time in the portal for the specific device.

  • GREEN – The device will display solid GREEN LED for 5 seconds if the battery is more than 40%.

  • YELLOW – The device will display solid YELLOW LED for 5 seconds if the battery is between 20% and 40%.

  • RED – The device will display solid RED LED for 5 seconds if the battery is less than 20%.

  • FLASHING GREEN – If the device is connected to Wi-Fi. 1 to 4 flashes depending on Signal Strength.

  • FLASHING BLUE– If the device is connected to LTE. 1 to 4 flashes depending on Signal Strength.

  • FLASHING PURPLEIf the device is not registered to an organization and the health check fails.

    Screenshot 2026-06-12 at 11.50.09 AM.png

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