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 aected. 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 controller 6 flashes
System board PCIe slots 7 flashes
Power backplane 8 flashes
Storage backplane 9 flashes
Power supply 10 flashes
PCIe expansion cards installed in riser board 11 flashes
Chassis 12 flashes
GPU card 13 flashes
Drive numbering
24LFF hot-plug front drive numbering
Component identification
160