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##### Rear Panel System LEDs

The following table explains how to interpret the behavior of the system-level LEDs provided on the rear panel.

Table 20 Rear Panel Controls and Indicators

LED or Button | Icon or Label | Description
--- | --- | ---
Locator LED and button(white) |  | The Locator LED can be turned on to identify a particular system. When on, it blinks rabidly. There are two methods for turning a Locator LED on: Issuing the Oracle ILOM command `set /SYS/LOCATE value=Fast_Blink` Pressing the Locator button.
Service Required LED(amber) |  | Indicates that service is required. POST and Oracle ILOM are two diagnostics tools that can detect a fault or failure resulting in this indication. The Oracle ILOM `show faulty` command provides details about any faults that cause this indicator to light. Under some fault conditions, individual component fault LEDs are turned on in addition to the Service Required LED.
Power OK LED(green) |  | Indicates the following conditions: Off – System is not running in its normal state. System power might be off. The SP might be running. Steady on – System is powered on and is running in its normal operating state. No service actions are required. Fast blink – System is running in standby mode and can be quickly returned to full function. Slow blink – A normal, but transitory activity is taking place. Slow blinking might indicate that system diagnostics are running, or the system is booting.

##### Related Information

- Front Panel System Controls and LEDs

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