User Alarm Leds - Oracle Sun Netra X4270 Service Manual

Locating Server and Component LEDs
No. LED of Button Symbol
2 Service
required LED
3 Power OK
LED
4 Power button
Related Information
"Front Panel Controls On Two-Drive System" on page 14
■
"Front Panel Components on Two-Drive Systems With Bezel Removed" on page 15
■
"Front Panel Components on Four-Drive Systems With Bezel Removed" on page 16
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"Rear Panel LED Locations" on page 23
■

User Alarm LEDs

The four user dry contact alarm LEDs are reserved for customer applications. With the
exception of the Critical alarm LED, no user alarm LED will light unless signalled by a
customer application.
Note -
not powered on.
20 Sun Netra X4270 Server • September 2015
LED Name and Description
When the amber Service Required LED is on, service is required.
To detect and diagnose faults, use either the POST or ILOM diagnostics tools. The ILOM show
faulty command provides details about any faults that cause this indicator to light.
Note - Under some fault conditions, individual component fault LEDs are lit in addition to the system
System Required LED.
The green System OK LED provides the following indications:
■ Off – Indicates that the system is not running in its normal state. System power might be on or in
standby mode. The service processor might be running.
■ Slow blink – Indicates the system is running at a minimum level in standby and is ready to be
quickly returned to full function. The SP is running.
■ Fast blink – Indicates that a normal transitory activity is taking place. Fast blinking could indicate
that the system diagnostics are running, or that the system is booting.
■ Steady on – Indicates that the system is powered on and is running in its normal operating state.
No service actions are required.
The recessed Power button toggles the system on or off.
■ If the system host is powered off, press once to power on.
■ If the system is powered on, press once to initiate a graceful system shutdown to Standby mode.
■ If the system is powered on, press and hold for 4 seconds to initiate an emergency shutdown.
The red Critical LED will light when the power cords are connected and the system is