Controller or a remote management program to change the state of the system ID LEDs to assist in visually 
locating the server among other servers.
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.
4  System error LED
The system error LED helps you to determine if there are any system errors.
Status Color
Description Action
On
Yellow An error has been detected on the server. 
Causes might include but are not limited to 
the following errors: 
•  The temperature of the server reached 
the non-critical temperature threshold.
•  The voltage of the server reached the 
non-critical voltage threshold.
•  A fan has been detected to be running at 
low speed.
•  A hot-swap fan has been removed.
•  The power supply has a critical error.
•  The power supply is not connected to 
the power.
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. 
Off
None The server is off or the server is on and is 
working correctly.
None.
LCD diagnostics panel
The LCD diagnostics panel is attached to the front of the server, while it allows quick access to system 
information such as errors, system status, firmware, network, and health information.
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ThinkSystem SR630 V2 Maintenance Manual