Front Operator Panel Leds - Lenovo ThinkSystem SD550 V3 System Configuration Manual

LED Description
Drive activity Each hot-swap drive comes with an activity LED. When this LED is flashing, it indicates that the
1
LED (green) drive is in use.
Drive status The drive status LED indicates the following status:
2
LED (yellow)
• The LED is lit: the drive has failed.
• The LED is flashing slowly (once per second): the drive is being rebuilt.
• The LED is flashing rapidly (three times per second): the drive is being identified.

Front operator panel LEDs

The front operator panel of the node provides controls, connectors, and LEDs.
Figure 11. Front operator panel buttons and LEDs
Table 11. Front operator panel buttons and LEDs
Power button with power status LED (green)
1
System ID LED (blue)
2
1 Power button with power status LED (green)
You can press the power button to power on the server when you finish setting up the server. You also can
hold the power button for several seconds to power off the server if you cannot shut down the server from
the operating system. The states of the power LED are as follows:
Status
Off
Flashing rapidly (four
times per second)
Flashing slowly (once
per second)
Lit
2 System ID LED (blue)
Use this system ID LED to visually locate the server. The LED can be changed to on, blinking, or off. You can
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.
3 System Error LED (yellow)
The system error LED helps you to determine if there are any system errors.
ThinkSystem SD550 V3 System Configuration Guide
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Color Description
None No power supply is properly installed, or the LED itself has failed.
Green The server is turned off and is not ready to be turned on. The power button is
disabled. This will last approximately 5 to 10 seconds.
Green The server is turned off and is ready to be turned on. You can press the power
button to turn on the server.
The server is turned on.
Green
System Error LED (yellow)
3
NMI button
4