IBM QS22 - BladeCenter - 0793, Service Manual

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Problems indicated by the front panel LEDs
The state of the LEDs on the front of the blade can help in isolating problems.
The table below gives an explanation and a suggested action, if required, for each
LED.
Table 4. Explanation of LEDs and their states
LED State Explanation Suggested action
Blade error LED yellow A system error has occurred on
the blade server.
Check the BladeCenter error
log, see “Problem reporting” on
page 108.
Information LED yellow Information about a system
event has been placed in the
Advanced Management Module
Event Log. The information LED
remains on until turned off by
Advanced Management Module
or through IBM Director
Console.
Check Advanced Management
Module to see what the
problem is. See the
BladeCenter Management
Module User's Guide for further
information about the error.
Activity LED Green There is network activity. No action required. For further
information about
troubleshooting networks, see
“Network connection problems”
on page 62.
Blade-error
LED
Information
LED
Location
LED
Activity
LED
Power-on
LED
CD
Media-tray
select button
Power-control
button NMI
reset-button
Figure 26. Power-control button and LEDs
Chapter 5. Diagnostics and troubleshooting
57