v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
See Chapter 3, “Parts listing, Types 7901 and 7902,” on page 19 to determine which components are CRUs and
which components are FRUs.
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Lit light path
diagnostics LED
Description
Action
NMI (NMI error)
The system board has failed.
1.
Replace the blade server cover and reinsert
the blade server in the BladeCenter unit;
then, restart the blade server. Check the
BMC log for information about the error
(see “Error logs” on page 72).
2.
(Trained service technician only) Replace
the system-board assembly (see “Removing
the system-board assembly” on page 62
and “Installing the system-board assembly”
on page 62).
S BRD (System
board or MPE
board error)
The system board or MPE board has failed.
v
(Trained service technician only) If the lit
LED is on the blade server light path
diagnostics panel, replace the system-board
assembly (see “Removing the system-board
assembly” on page 62 and “Installing the
system-board assembly” on page 62).
v
(Trained service technician only) If the lit
LED is on the MPE unit light path
diagnostics panel, replace the MPE board
assembly (see “Removing the system-board
assembly” on page 62 and “Installing the
system-board assembly” on page 62).
TEMP (Over
temperature error)
The system temperature has exceeded a
threshold level.
1.
Check the function of the shared
BladeCenter unit resources (see “Solving
shared BladeCenter resource problems” on
page 160).
2.
Make sure that the room temperature is
not too high. See “Features and
specifications” on page 2 for temperature
information.
SAS hard disk
drive error
On the blade server system board: A
blade-server hard disk drive has failed.
Run the hard disk drive diagnostic tests (see
“Dynamic System Analysis diagnostic
programs and messages”). If the drive passes
the diagnostics test but the drive continues to
have a problem, replace the hard disk drive
with a new one (see “Removing a SAS drive”
on page 35 and “Installing a SAS drive” on
page 36).
Dynamic System Analysis diagnostic programs and messages
IBM Dynamic System Analysis (DSA) Preboot is a system information collection
and analysis tool that is used by IBM service and support personnel to aid in the
diagnosis of system problems.
108
BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide
Summary of Contents for LS42 - BladeCenter - 7902
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