Chapter 1
Server Diagnostics
1-7
TABLE 1-2
lists and describes the front and rear panel indicators.
TABLE 1-2
Front and Rear Panel Indicators
LED
Location
Color
Description
Locator
Indicator and
Button
Front upper
left and rear
left
White
Enables you to identify a particular server. The LED is activated
using one of the following methods:
• Issuing the
setlocator on
or
off
command.
• Pressing the button to toggle the indicator on or off.
This LED provides the following indications:
• Off – Normal operating state.
• Fast blink – The server received a signal as a result of one of the
preceding methods.
Fault Indicator
Front upper
center and
rear center
Yellow
If on, indicates that service is required.
Activity
Indicator
Front upper
right and rear
right
Green
• On – Drives are receiving power. Solidly on if drive is idle.
• Flashing – Drives are processing a command.
• Off – Power is off.
Power Button
Front upper
right
Turns the host system on and off. This button is recessed to prevent
accidental server power-off. Use the tip of a pen to operate this
button. Press this button once for a graceful shutdown. Press this
button for 4 seconds for an emergency shutdown.
Power OK
Indicator
Rear center
Green
Provides the following indications:
• Off – The system is unavailable. Either the system has no power
or ILOM is not running.
• Steady on – Indicates that the system is powered on and is
running it its normal operating state.
• Standby blink – Indicates that the service processor is running
while the system is running at a minimum level in Standby
mode, and is ready to be returned to its normal operating state.
• Slow blink – Indicates that a normal transitory activity is taking
place. The system diagnostics might be running, or the system
might be booting.
Critical Alarm
Indicator
Front left
Red
Indicates a critical alarm.
Major Alarm
Indicator
Front left
Red
Indicates a major alarm.
Minor Alarm
Indicator
Front left
Amber
Indicates a minor alarm.
User Alarm
Indicator
Front left
Amber
Indicates a user alarm.
