IBM eServer BladeCenter 8677, Installation And User Manual

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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 Action
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. Look for any information or error LEDs on the
system LED panels, the modules, and the
blade servers in this BladeCenter unit, and
follow the instructions in this table for those
LEDs.
Over-temperature The system temperature has exceeded a
threshold level.
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 6 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 server, module,
or filler plugged into each bay.
If the problem remains, have the system
serviced.
Information A noncritical event has occurred that should be
looked at, such as the wrong switch module
inserted in a bay, or power needs that exceed
the capacity of power modules currently
installed. Check the error log for the messages. Check
the LEDs on the BladeCenter unit and the
blade servers to isolate the component.
System error A critical system error has occurred, such as
non-redundancy on the power modules or a
system error in a blade.
1. Check the error log for messages.
2. Look for an error LED on the modules and
blade servers 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 server, see
the documentation that comes with the
blade server.
Management module
System error A critical error has occurred in the
management module. Remove ac power from the BladeCenter unit
and then restart the BladeCenter unit. If the
problem remains, replace the management
module.
Power module
System error A critical error has occurred in the power
module. Replace the module. If your BladeCenter unit
has a redundant module for this power module,
the BladeCenter unit continues to function
using the redundant module.
Chapter 6. Solving problems
65