Uid Button Functionality; Front Panel Led Power Fault Codes - HP HPE ProLiant DL325 Maintenance And Service Manual

Item
3
4
1
If the system power LED is off, verify the following conditions:
• Facility power is present.
• The power supply is installed and is working correctly.
• The power cord is attached and is connected to a power source.
• The front I/O cable is connected.
2
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.
If all LEDs described in this table flash simultaneously, a power fault has occurred. For more information, see "Power fault
LEDs".

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 iLO user guide on the Hewlett Packard Enterprise website (https://www.hpe.com/support/ilo-
docs).

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
System board
Processor
Memory
Riser board PCIe slots
Description
NIC status LED
UID button/LED
Status
Solid green = Link to network
Flashing green (1 flash per second) = Network active
Off = No network activity
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
LED behavior
1 flash
2 flashes
3 flashes
4 flashes
Table Continued
116
Component identification