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5
System ID button with system ID LED
Use this system ID button and the blue system ID LED to visually locate the server. A system ID LED is also
located on the rear of the server. Each time you press the system ID button, the state of both the system ID
LEDs changes. The LEDs can be changed to on, blinking, or off.
If the XClarity Controller USB connector is set to have both the USB 2.0 function and XClarity Controller
management function, you can press the system ID button for three seconds to switch between the two
functions.
6
System error LED
The system error LED provides basic diagnostic functions for your server. If the system error LED is lit, one or
more LEDs elsewhere in the server might also be lit to direct you to the source of the error.
Status
Color
On
Yellow
Off
None
Description
An error has been detected on the server.
Causes might include but not limited to the
following errors:
• A fan failure
• A memory error
• A storage failure
• A PCIe device failure
• A power supply failure
• A CPU error
• A system board error
The server is off or the server is on and is
working correctly.
Action
Check the event log to determine the exact
cause of the error.
Alternatively, follow the light path
diagnostics to determine if additional LEDs
are lit that will direct you to identify the
cause of the error. For information about
light path diagnostics, see "Light path
diagnostics" on page 401.
None.
.
Chapter 2
Server components
25
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