HP Integrity rx1600 Installation Guide, Second Edition - HP Integrity rx1600 - Page 56

Identifying and Diagnosing Hardware Problems, Power and System LEDs

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Troubleshooting Identifying and Diagnosing Hardware Problems d. Restart the HP Server to determine whether the LED now becomes illuminated during the boot. If not, contact your reseller. Step 5. At the EFI shell prompt input shell> info io to check the SCSI drives. Identifying and Diagnosing Hardware Problems Should a failure occur, the system LED, the LAN LED, the diagnostic LEDs, and the system event log (SEL) will help you identify the problem: • The system LED, LAN LED, and diagnostic LEDs on the display panel of the server change color and blink in different patterns to help identify specific problems. LEDs on the front and rear panels of the server display LAN activity. • The System Event Log (SEL) provides detailed information about the errors identified by the LEDs. If the LEDs and SEL do not give you enough information to identify the problem you are experiencing, HP also provides diagnostic tools with each operating system. Power and System LEDs The Power and System LEDs indicate the state of the system. When the System LED is blinking yellow or red, a problem exists. NOTE When the optional management processor (MP) card is installed, the four diagnostic LEDs on the display panel are disabled. Systems with the Optional Management Processor Card Installed The following system LED states exist for systems having a optional management processor card installed. Table 4-2 System LED States System LED State Off Solid green Blinking green Blinking yellow (1/sec.) Off Running OS Booting or running code other than operating system (boot or diagnostic). Attention indication: Alerts of levels 3-5 detected in the optional management processor logs. The LED will turn off once the event log has been read. 56 Chapter 4

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Chapter 4
Troubleshooting
Identifying and Diagnosing Hardware Problems
56
d.
Restart the HP Server to determine whether the LED now becomes illuminated during the boot.
If not, contact your reseller.
Step 5.
At the EFI shell prompt input
shell> info io
to check the SCSI drives.
Identifying and Diagnosing Hardware Problems
Should a failure occur, the system LED, the LAN LED, the diagnostic LEDs, and the system event log (SEL)
will help you identify the problem:
•
The system LED, LAN LED, and diagnostic LEDs on the display panel of the server change color and
blink in different patterns to help identify specific problems. LEDs on the front and rear panels of the
server display LAN activity.
•
The System Event Log (SEL) provides detailed information about the errors identified by the LEDs.
If the LEDs and SEL do not give you enough information to identify the problem you are experiencing, HP
also provides diagnostic tools with each operating system.
Power and System LEDs
The Power and System LEDs indicate the state of the system. When the System LED is blinking yellow or
red, a problem exists.
NOTE
When the optional management processor (MP) card is installed, the four diagnostic LEDs on
the display panel are disabled.
Systems with the Optional Management Processor Card Installed
The following system LED states exist for systems having a optional management processor card installed.
Table 4-2
System LED States
System LED
State
Off
Off
Solid green
Running OS
Blinking green
Booting or running code other than operating system (boot or
diagnostic).
Blinking yellow (1/sec.)
Attention indication:
Alerts of levels 3-5 detected in the optional management processor logs.
The LED will turn off once the event log has been read.