The system, applications, and operating systems can identify problems and alert you to them. Any of the following can indicate when the system is not
operating properly:

System indicators

System messages

Beep codes

Warning messages

Diagnostics messages

Alert messages

This section describes each type of message, lists the possible causes, and provides steps to resolve any problems indicated by a message. The system
indicators and features are illustrated in this section.

Front-Panel Indicators and Features

System Status Indicators

The system front panel incorporates blue and amber system status indicators. The blue indicator lights up when the system is operating correctly. The amber
indicator lights up when the system needs attention due to a problem with power supplies, fans, system temperature, or hard drives.

Table 2

-1

lists the system's indicator patterns. Different patterns are displayed as events occur in the system.

Table 2-1. System Status Indicator Patterns

Figure 2

-1

shows the controls, indicators, and connectors located behind the optional bezel on the system's front panel.

Table 2

-2

describes the front-panel

features and indicators.

Figure 2-1. Front-Panel Features and Indicators