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UID button functionality
The UID button can be used to display the Server Health Summary when the system will not power on. For more information,
see the latest HPE iLO 5 User Guide on the
Hewlett Packard Enterprise website.
Front panel LED power fault codes
The following table provides a list of power fault codes, and the subsystems that are affected. Not all power faults are used by
all servers.
Subsystem
LED behavior
System board
1 flash
Processor
2 flashes
Memory
3 flashes
Riser board PCIe slots
4 flashes
FlexibleLOM
5 flashes
Storage controllers
6 flashes
System board PCIe slots
7 flashes
Power backplane or storage backplane
8 flashes
Power supply
9 flashes
Drive numbering
24LFF hot-plug front drive numbering
Component identification
20