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 4, “Parts listing, Types 7871 and 1949,” on page 41 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
SYS BRD (System
board error)
The system board has failed (Trained service technician only) Replace the
system-board assembly - See “Removing the
system-board assembly” on page 94 and
“Installing the system-board assembly” on
page 95.
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 217.
2. Make sure the air vents are not blocked
and that all blade bays in the BladeCenter
unit have a blade server or a blade filler
installed.
3. Make sure that the room temperature is
not too high. See “Features and
specifications” on page 8 for temperature
information.
Dynamic system analysis diagnostic programs and messages
Use this information to learn more about using the dynamic system analysis (DSA)
diagnostic programs and messages to resolve blade server errors.
The Dynamic System Analysis (DSA) Preboot diagnostic programs are the primary
method of testing the major components of the server. DSA is a system information
collection and analysis tool that you can use to provide information IBM service
and support to aid in the diagnosis of the system problems.
As you run the diagnostic programs, text messages are displayed on the screen
and are saved in the test log. A diagnostic text message indicates that a problem
has been detected and provides the action you should take as a result of the text
message. The diagnostic programs collect the following information about the
blade server:
v System configuration
v Network interfaces and settings
v Installed hardware
v Light path diagnostics status
v Vital product data, firmware, and UEFI configuration
v Hard disk drive health
v Baseboard Management Controller logs
The DSA diagnostic programs can also provide diagnostics for the following
system components, if they are installed in the system:
v BroadCom Ethernet controller
Chapter 6. Diagnostics 185
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