Component identification 73
•
4LFF
Item Description
Status
1
UID button/LED*
Solid blue = Activated
Flashing blue:
•
1 Hz/cycle per sec = Remote management or firmware upgrade
in progress
•
4 Hz/cycle per sec = iLO manual reboot sequence initiated
•
8 Hz/cycle per sec = iLO manual reboot sequence in progress
Off = Deactivated
2
NIC status LED*
Solid green = Link to network
Flashing green (1 Hz/cycle per sec) = Network active
Off = No network activity
3
Health LED*
Solid green = Normal
Flashing green (1 Hz/cycle per sec) = iLO is rebooting.
Flashing amber = System degraded
Flashing red (1 Hz/cycle per sec) = System critical†
4
Power On/Standby button
and system power LED*
Solid green = System on
Flashing green (1 Hz/cycle per sec) = Performing power on
sequence
Solid amber = System in standby
Off = No power present**
*When all four LEDs described in this table flash simultaneously, a power fault has occurred. For more information,
see "Power fault LEDs (on page
)."
**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.
†To identify components in a degraded or critical state, see the Systems Insight Display LEDs, check iLO/BIOS logs,
and reference the server troubleshooting guide.
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
