IBM QS21 - BladeCenter - 0792 Service Manual page 71

Figure 25. Power-control button and LEDS
The table below gives an explanation and a suggested action, if required, for each
LED.
Table 3. Explanation of LEDs and their states
LED
Blade error LED
Information LED
Activity LED
State Explanation
Amber A system error has occurred on
the blade server.
Amber Information about a system
error 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.
Green There is network activity.
Information
LED
Location
LED
Activity
LED
Power-on Power-control
LED button
CD
Chapter 5. Diagnostics and troubleshooting
Media-tray
select button
Blade-error
LED
NMI
reset-button
Suggested action
Check the BladeCenter error
log, see "Problem reporting" on
page 94.
Check Advanced Management
Module to see what the
problem is. See the
BladeCenter Management
Module User's Guide for further
information about the error.
No action required. For further
information about
troubleshooting networks, see
"Network connection problems"
on page 57.
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