HP ProLiant DL20 Gen10 Plus, Maintenance And Service Manual, Page: 180 / 246

Front panel LEDs and buttons Front panel LEDs and buttons
Item Item Description Description Status Status Definition Definition
1 Health LED Solid green Normal
Flashing green iLO is rebooting
Flashing amber System degraded
Flashing red System critical
2 NIC status LED Solid green Linked to network
Flashing green Network active
Off No network activity
3 Power On/Standby button and
system power LED Solid green System on
Flashing green Performing power-on sequence
Solid amber System in standby
Off No power present
4 UID button/LED Solid blue Activated
Flashing blue
1 flash per second = Remote management or
firmware upgrade in progress
4 flashes per second = iLO manual reboot
sequence initiated
8 flashes per second = iLO manual reboot
sequence in progress
Off Deactivated
When all LEDs flash simultaneously, a power fault has occurred. For more information, see Front panel LED power fault codes.
If the health LED indicates a degraded or critical state, review the system Integrated Management Log (IML) or use HPE iLO to review
the system health status.
Facility power is not present, power cord is not attached, no power supplies are installed, or power supply failure has occurred.
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Front panel LEDs and buttons 180