Component identification 84
UID button functionality
The UID button can be used to display the HPE ProLiant Pre-boot Health Summary when the server will
not power on. For more information, see the HPE iLO 4 User Guide on the Hewlett Packard Enterprise
website (http://www.hpe.com/info/ilo/docs).
Power fault LEDs
The following table provides a list of power fault LEDs, and the subsystems that are affected. Not all
power faults are used by all servers.
Subsystem LED behavior
System board
Removable HPE Flexible Smart Array
controller/Smart SAS HBA controller
Power backplane or storage backplane
Access the optional HPE Systems Insight Display
To access a pop-out HPE Systems Insight Display on models with this option installed:
1. Press and release the panel.
2. After the display fully ejects, rotate the display to view the LEDs.
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