What do the LEDs on ACU/SDC mean?

Core and SDC Status LED

The STATUS LED on the Access Control Core and Single Door Controller (SDC) indicate the following:

• • Solid White indicates the SDC is provisioned and functioning normally

  • Solid Green indicates the Core is provisioned and functioning normally

  • Blinking Red indicates there is a problem with the Internet connection

  • Solid Cyan appears when the SDC/Core is booting

  • Solid Yellow indicates that the SDC/Core is restoring software; appears when you turn on the SDC/Core for the first time

  • Blinking Yellow indicates that the SDC/Core is updating software; appears when the SDC/Core has been online for less than 24 hours

  • Solid Blue indicates that the SDC/Core has finished booting and is ready for provisioning

  • Solid Purple indicates that the SDC/Core is connected to the Open Admin app

  • Blinking Purple indicates the SDC/Core is ready to connect to the Open Admin app

  • Solid Red indicates the SDC/Core is in an error state–go to the Hardware Dashboard in the Control Center for more information