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##### Front Panel System Controls and LEDs

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

Table 19 Front 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 server. 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.
Power button |  | The recessed Power button toggles the system on or off. Press once to turn the system on. Press once to shut the system down in a normal manner. Press and hold for 4 seconds to perform an emergency shutdown.
Power Supply Fault LED(amber) | REARPS | Provides the following operational PSU indications: Off – Indicates a steady state, no service action is required. Steady on – Indicates that a power supply failure event has been acknowledged and a service action is required on at least one PSU.
Overtemp LED(amber) |  | Provides the following operational temperature indications: Off – Indicates a steady state, no service action is required. Steady on – Indicates that a temperature failure event has been acknowledged and a service action is required.
Fan Fault LED(amber) | TOPFAN | Provides the following operational fan indications: Off – Indicates a steady state, no service action is required. Steady on – Indicates that a fan failure event has been acknowledged and a service action is required on at least one of the fan modules.

##### Related Information

- Rear Panel System LEDs

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