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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 1885 and 8853," on page 15 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
MIS
The microprocessors do not match.
(Microprocessor
mismatch)
NMI (NMI error)
The system board has failed.
S BRD (System
The system board has failed
board error)
TEMP (Over
The system temperature has exceeded a
temperature error)
threshold level.
SAS hard disk
A hard disk drive has failed.
drive error
Diagnostic programs, messages, and error codes
The diagnostic programs are the primary method of testing the major components
of the blade server. As you run the diagnostic programs, text messages and error
codes are displayed on the screen and are saved in the test log. A diagnostic text
message or error code indicates that a problem has been detected; to determine
what action you should take as a result of a message or error code, see the table in
"Diagnostic error codes" on page 100.
If you cannot find the problem using the diagnostic programs, see "Solving
undetermined problems" on page 112 for information about testing the blade server.
Action
Make sure that microprocessors 1 and 2 are
identical (number of cores, cache size and
type, clock speed, internal and external clock
frequencies); also, see "Troubleshooting tables"
on page 80.
1. Replace the blade server cover, reinsert
the blade server in the BladeCenter unit,
and then restart the blade server. Check
the BMC log for information about the error.
2. (Trained service technician only) Replace
the system board assembly.
(Trained service technician only) Replace the
system board assembly.
1. Check the function of the shared
BladeCenter unit resources (see "Solving
shared BladeCenter resource problems" on
page 108).
2. Make sure that the room temperature is not
too high. See "Features and specifications"
on page 3 for temperature information.
Run the SAS Fixed Disk or SAS Attached Disk
diagnostic test. If the diagnostics pass but the
drive continues to have a problem, replace the
hard disk drive with a new one.
Chapter 5. Diagnostics
97
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