Troubleshooting
Troubleshooting Using LED Indicators
Chapter 4
52
Front Panel LEDs
The front panel LEDs show you the system status at a glance. They include four diagnostic LEDs, and the
System, LAN, and power LEDs. The front panel LEDs are listed in the following tables, together with system
status and/or probable cause descriptions of likely system failures.
Figure 4-1 Front Panel LEDs
Table 4-2 Front Panel LED Definitions
LED/
Button
System
State
Flash Rate Color Description
System LED Off Off Off System is off.
System LED Running Flashing at
0.5 Hz
Green System is booting or running EFI.
System LED Running Steady Green System normal—the operating system is up
and running.
System LED Warning Flashing at
1 Hz
Amber Attention required. Check the four diagnostic
LEDs and the MP Status log for information.
The LED will turn off when the MP log is
accessed.
System LED Fault Flashing at
2 Hz
Red Fault detected. Check the four diagnostic
LEDs and the MP Status log for information.
The LED can be turned off by the MP DC
command, or by correcting the problem.
hp
integrity
cx2600
chasfront
LAN4321 System
E-Buzzer
(behind panel)
Locator
LED
Diagnostic
LEDs 1-4
LAN
LED
System
LED
Power
Button
Power
LED
Disk
Activity
LED
Disk
Status
LED
DVD/CD
Activity
LED
DVD/CD
Eject
Button
Locator
Button
