Light Path Diagnostics Table - IBM 8677 - BladeCenter Rack-mountable - Power Supply Hardware Maintenance Manual And Troubleshooting Manual
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- Installation and user manual (104 pages) ,
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Light Path Diagnostics table
The system-error LED on the system LED panel is lit when certain system errors
occur. If the system-error LED on your BladeCenter unit is lit, use the following
table to help determine the cause of the error and the action you should take.
Table 3. Light Path Diagnostics
Lit LED
Cause
BladeCenter system LED panel
Location
A condition has occurred in this BladeCenter
unit that has caused the remote system
management to identify this BladeCenter unit
as needing attention.
Over-temperature
The system temperature has exceeded a
threshold level.
Information
A noncritical event has occurred that should be
looked at, such as the wrong I/O module
inserted in a bay, or power needs that exceed
the capacity of power modules currently
installed.
System error
A critical system error has occurred, such as
non-redundancy on the power modules or a
system error in a blade.
Management module
Management-
A critical error has occurred in the
module error
management module.
Management-
After adding or restarting an Ethernet switch
module Web
module through the management-module Web
interface to
interface, the Web page does not refresh. You
Ethernet switch
will also be unable to connect to the Ethernet
module does not
switch module through the Telnet interface.
refresh
Power module
Action
Look for any information or error LEDs on the
system-LED panel, the modules, and the
blades in the this BladeCenter unit, and follow
the instructions in this table for those LEDs.
1. Check to see if a blower module has failed.
If it has, replace the blower module as
soon as possible to regain redundancy.
2. Make sure the room temperature is not too
high. (See "Features and specifications" on
page 5 for temperature information.)
3. Check to see if a blade server has a
temperature LED lit. If it has, see the
documentation that comes with the blade
server.
4. Make sure there is a blade, module, or filler
plugged in each bay.
If the problem remains, have the system
serviced.
Check the error log for the messages. Check
the LEDs on the BladeCenter unit and the
blade servers to isolate the component.
1. Check the error log for messages.
2. Look for an error LED on the modules and
blades to locate the component.
v If the error LED is on a module, follow
the instructions for the module in this
table.
v If the error LED is on a blade, see the
documentation that comes with the
blade.
Unplug the management module and reinsert
it, then, restart the BladeCenter unit. If the
problem remains, replace the management
module.
You must wait until the Ethernet switch module
completes POST. After Ethernet switch module
POST is complete, you will be able to connect
to the Ethernet switch module.
Chapter 6. Symptom-to-FRU index
69
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