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2
If the health LED indicates a degraded or critical state, use iLO to review the system health status.
3
When all four LEDs described in this table flash simultaneously, a power fault has occurred.
UID button functionality
The UID button can be used to identify a specific server in a rack or display the Server Health Summary when
the server will not power on. For more information, contact customer support.
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
OCP adapter
Storage controller
System board PCIe slots
Power backplane
Storage backplane
Power supply
PCIe expansion cards installed in riser board
Chassis
GPU card
Systems Insight Display LEDs
The Systems Insight Display LEDs represent the system board layout. The display enables diagnosis with the
access panel installed.
LED behavior
1 flash
2 flashes
3 flashes
4 flashes
5 flashes
6 flashes
7 flashes
8 flashes
9 flashes
10 flashes
11 flashes
12 flashes
13 flashes
Component identification
8
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