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Rear system LEDs

This topic provides information on system LEDs on the rear of the server.

Figure 1. System LEDs on the rear view
System LEDs on the rear view
1 Location LED (blue)2 System error LED (yellow)3 RoT error LED (Amber)
Table 1. System LEDs on the rear view
LEDDescription and actions
1 Location LED (blue)This LED is used as a presence detection LED. You can use Lenovo XClarity Controller to light this LED remotely. Use this LED to locate the server among other servers visually.
2 System error LED (yellow)LED on: an error has occurred. Complete the following steps:

  1. Check the identification LED and check log LED and follow the instructions.

  2. Check the Lenovo XClarity Controller event log and the system error log for information about the error.

  3. Save the log if necessary, and clear the log afterwards.

3 RoT error LED (Amber)The RoT error LED indicates that there is a Root of Trust failure on either the XCC or UEFI image.