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Table 31. Light path diagnostic LED descriptions (continued)
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, Type 7998," on page 235 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
Management card
A system board error occurred.
error
P1-C5 MGMT CRD
PCI-X expansion
An I/O expansion card option error occurred.
card error
P1-C6 PIOCARD
System board error
A system board and chassis assembly error
has occurred. A microprocessor failure shows
P1 SYS BRD
up as a system board and chassis assembly
error.
Action
1. Replace the blade server cover, reinsert the
blade server in the BladeCenter unit, and
then restart the blade server.
2. Check the management-module event log
for information about the error.
3. Replace the management card assembly, as
described in "Removing the management
card" on page 250 and "Installing the
management card" on page 252.
4. Replace the system board and chassis
assembly, as described in "Replacing the
Tier 2 system-board and chassis assembly"
on page 270.
1. Make sure that the I/O expansion option is
supported, as described on the
ServerProven Web site. See
http://www.ibm.com/servers/eserver/
serverproven/compat/us/.
2. Reseat the I/O expansion option, as
described in "Removing and installing an
I/O expansion card" on page 256.
3. Replace the I/O expansion option.
See "PCI expansion card (PIOCARD) problem
isolation procedure" on page 200 for more
information.
1. Replace the blade server cover, reinsert the
blade server in the BladeCenter unit, and
then restart the blade server.
2. Check the management-module event log
for information about the error.
3. Replace the system board and chassis
assembly, as described in "Replacing the
Tier 2 system-board and chassis assembly"
on page 270.
Chapter 2. Diagnostics
221
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