3 NIC status LED Solid green = Link to network
Flashing green = Network active
Off = No network activity
4 UID button/LED Solid blue = Activated
Flashing blue:
1 Hz = Remote management or firmware
upgrade in progress
4 Hz = iLO manual reboot sequence initiated
8 Hz = iLO manual reboot sequence in progress
Off = Deactivated
ItemItem DescriptionDescription StatusStatus
Facility power is not present, power cord is not attached, no power supplies are installed, power supply failure has occurred, or
the power button cable is disconnected.
If the health LED indicates a degraded or critical state, review the system IML or use iLO to review the system health status.
When all four LEDs described in this table flash simultaneously, a power fault has occurred.
SubtopicsSubtopics
UID button functionalityUID button functionality
Front panel LED power fault codesFront panel LED power fault codes
Systems Insight Display LEDsSystems Insight Display LEDs
Systems Insight Display combined LED descriptionsSystems Insight Display combined LED descriptions
UID button functionalityUID button functionality
The UID button can be used to identify a specific server in a rack or display the Server Health Summary when the server will not power
on. For more information, see the latest HPE iLO User Guide on the Hewlett Packard Enterprise websiteHewlett Packard Enterprise website .
Front panel LED power fault codesFront 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.
SubsystemSubsystem LED behaviorLED behavior
System board 1 flash
Processor 2 flashes
Memory 3 flashes
Riser board PCIe slots 4 flashes
OCP adapter 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
1
3
1
2
3
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