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Panel LEDs on Supermicro A+ ASG-2015S-E1CR24L Nodes |
This section explains the LEDs on Supermicro 2015S nodes. |
/hardware-guide/supermicro-a-plus-asg-2015s-e1cr24l/panel-leds.html |
hardware_guide_sidebar |
On the front, right side of your node, there are seven LEDs. The following table describes the UID button and LED, the Information LED, and the Power LED.
| Label | Color and Behavior | Description |
|---|---|---|
| UID Button and LED | Off | UID off |
| UID Button and LED | {{site.led.blue}} (solid blue) | Unit identified at local site |
| UID Button and LED | {{site.led.blue}} (slow-blinking blue) | Unit identified at remote site or system recovery |
| Information LED | {{site.led.red}} (solid red) | System overheated |
| Information LED | {{site.led.red}} (1 s. blinking red) | Fan failed |
| Information LED | {{site.led.red}} (4 s. blinking red) | Power Supply Unit (PSU) failed |
| Information LED and Power LED | {{site.led.red}} {{site.led.green}} (Info LED solid red, power LED blinking green) | Fault detected |
| Information LED | {{site.led.blue}}/{{site.led.red}} (0.1 s. blinking blue/red) | Recovery mode |
| Information LED | {{site.led.blue}} (solid blue) | UID activated locally |
| Information LED | {{site.led.blue}} (1 s. blinking blue) | UID activated by using the BMC |
| Information LED | {{site.led.blue}} (0.5 s. blinking blue) | BMC resetting |
| Information LED | {{site.led.blue}} (0.25 s. blinking blue) | BMC configuring factory defaults |
| Information LED and Power LED | {{site.led.blue}} {{site.led.green }} (Info LED solid blue, power LED 0.1 s. blinking green) | BMC or BIOS firmware updating |
Each NVMe drive carrier has two LEDs.
| Label | Color or Behavior | Description |
|---|---|---|
| Status LED | {{site.led.red}} (solid red) | Drive failed |
| Status LED | {{site.led.red}} (1 s. blinking red) | Rebuilding drive |
| Status LED | {{site.led.red}} (2 red blinks) then 1 s. stop | Hot spare for drive |
| Status LED | {{site.led.red}} (on for 5s.) then off | Power on for drive |
| Status LED | {{site.led.red}} (0.25 s. blinking red) | Identifying drive |
| Status LED | {{site.led.green}} (solid green) | NVMe drive safe to remove |
| Status LED | {{site.led.orange}} (1 s. blinking amber) | NVMe drive not safe to remove |
| Activity LED | {{site.led.blue}} (solid blue) | Idle NVMe drive installed |
| Activity LED | {{site.led.blue}} (blinking blue) | Drive active |
| Activity LED | Off | Idle SATA drive installed |
On the back of your node, LAN LEDs are located behind the vent holes on the NIC. Each port has one light.
{% include note.html content="Network traffic doesn't affect the speed of the light's blinking." %}
| Color | Status | Description |
|---|---|---|
| — | Off | No link |
| {{site.led.green}} (solid green) | On or blinking | Link established |