Main Module LEDs

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No.	LED	Icon	Description
1	Service Required LED (amber)		Indicates that service is required. POST and Oracle ILOM are two diagnostic 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 illuminate. Under some fault conditions, individual component fault LEDs are lit in addition to the Service Required LED.
2	Power OK LED (green)		Indicates these conditions: Off – System is not running in its normal state. System power might be off. The SPM 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 that the system is booting.
3	SPM LED (green)	SPM	Indicates these conditions: Off – AC power might have been connected to the power supplies. Steady on, green – SPM is running in its normal operating state. No service actions are required. Blink, green – SPM is initializing the Oracle ILOM firmware. Steady on, amber – A SPM error has occurred and service is required.

SPARC T7-4 Server Service Manual