Component identification 78
Front panel LEDs and buttons
Item Description Status
1
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**
2
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†
3
Solid green = Link to network
Flashing green (1 Hz/cycle per sec) = Network active
Off = No network activity
* When all three LEDs described in this table and the UID button/LED on the rear panel flash simultaneously, a power
fault has occurred. For more information, see "Front panel LED power fault codes (on page 78)." For the location of the
UID button/LED on the rear panel, see "Rear panel LEDs (on page 80)".
** 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.
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 Front panel LED behavior
System board
1 flash
Processor
2 flashes
Memory
3 flashes
Riser board PCIe slots
4 flashes
FlexibleLOM
5 flashes
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