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System I/O board LEDs

This topic provides information on LEDs of the system I/O board.

The following table describes the problems that are indicated by LEDs on the system I/O board.

Figure 1. LEDs on the system I/O board
LEDs on the system I/O board
1 RoT error LED (Amber)2 System error LED (yellow)3 Location LED (blue)
Table 1. System LEDs on system I/O board
LEDDescription and actions
1 RoT error LED (Amber)The RoT error LED indicates that there is a Root of Trust failure on either the XCC or UEFI image.
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 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.