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3
4
. When all four LEDs described in this table flash simultaneously, a power fault has occurred.
1
2
. If the health LED indicates a degraded or critical state, review the system or use iLO to review the system
health status.
3
. Facility power is not present, the power cord is not attached, no power supplies are installed, power
supply failure has occurred, or the power button cable is disconnected.
UID button functionality
The UID button can be used to display the Server Health Summary when the server will not power on. For more
information, see the latest iLO 5 User Guide.
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.
System board
Processor
Memory
Riser board PCIe slots
OCP adapter
Storage controller
System board PCIe slots
Description
Health LED
1
Power On/Standby button
and system power LED
1
Subsystem
Hitachi Advanced Server HA820 G2 User Guide
•
Flashing green (1 Hz/cycle per sec) = Network
active
•
Off = No network activity
•
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 critical2
•
Solid green = System on
•
Flashing green (1 Hz/cycle per sec) = Performing
power on
sequence
•
Solid amber = System in standby
•
Off = No power present3
LED behavior
1 flashes
2 flashes
3 flashes
4 flashes
5 flashes
6 flashes
7 flashes
Status
17
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