Operator information panel

The following illustration shows the controls and LEDs on the operator information panel.

Power-control button and power-on LED: Press this button to turn the server on and off manually. The states of the power-on LED are as follows:
- Off: Power is not present or the power supply, or the LED itself has failed.
- Flashing rapidly (4 times per second): The server is turned off and is not ready to be turned on. The power-control button is disabled. This will last approximately 5 to 10 seconds.
- Flashing slowly (once per second): The server is turned off and is ready to be turned on. You can press the power-control button to turn on the server.
- Lit: The server is turned on.
System-locator button/LED: Use this blue LED to visually locate the server among other servers. This LED is also used as a presence detection button. You can use Lenovo XClarity Administrator to light this LED remotely.
Check log LED: When this yellow LED is lit, it indicates that a system error has occurred. Check the event log for additional information. See Event logs for more information about event logs.
System-error LED: When this yellow LED is lit, it indicates that a system error has occurred. A system-error LED is also on the rear of the server. An LED on the LCD system information display panel (if available), the operator information panel or on the system board is also lit to help isolate the error. This LED is controlled by the IMM.

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