Lenovo ThinkSystem ST250 V3 - Page 32

2 Drive activity LED (green)
The drive activity LED helps you to determine the status of the drive activity.
Note: The drive activity LED only indicates the activities of drives that are connected to the SATA ports on
the system board.
Status Color
Description
Solid on Green
The drive is active.
Flashing
Green
The drive is being accessed.
Off
None The drive is not active.
3 Network activity LED (green)
The network activity LED helps you identify the network connectivity and activity.
Status Color
Description
On Green
The server is connected to a network.
Blinking
Green
The network is connected and active.
Off
None The server is disconnected from the network.
4 System ID button/LED (blue)
Use this system ID button and the blue system ID LED to visually locate the server. Each time you press the
system ID button, the state of the system ID LED changes. The LED can be changed to on, blinking, or off.
You can also use the Lenovo XClarity Controller or a remote management program to change the state of the
system ID LED 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.
5 System error LED (yellow)
The system error LED provides basic diagnostic functions for your server.
Status Color Description Action
On
Yellow An error has been detected on the server.
Causes might include one or more of 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.
• The power supply has a critical error.
• The power supply is not connected to
the power.
Check system logs or internal error LEDs to
identify the failed part.
Off None The server is off or the server is on and is
working correctly.
None.
24 ThinkSystem ST250 V3 System Configuration Guide