IBM LS42 - BladeCenter - 7902, Service Manual

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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 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.
Error message Action
I/O board fault
1.
Reseat the I/O expansion card (see “Removing an
I/O expansion card” on page 39 and “Installing an
I/O expansion card” on page 43).
2. Replace the following components one at a time, in
the order shown, restarting the blade server each
time:
a. I/O expansion card (see “Removing an I/O
expansion card” on page 39 and “Installing an
I/O expansion card” on page 43)
b. (Trained service technician only) System-board
assembly (see “Removing the system-board
assembly” on page 62 and “Installing the
system-board assembly” on page 62)
cKVM card fault
1. Reseat the cKVM card (see “Removing a concurrent
KVM feature card” on page 51 and “Installing a
concurrent KVM feature card” on page 51).
2. Replace the cKVM card (see “Removing a concurrent
KVM feature card” on page 51 and “Installing a
concurrent KVM feature card” on page 51.
BEM 1 fault
1. Reseat the following components one at a time, in the
order shown, restarting the blade server each time:
a.
SAS connectivity card (see “Removing an I/O
expansion card” on page 39 and “Installing an
I/O expansion card” on page 43)
b.
RAID battery (see the documentation for your
SAS connectivity card)
c. Expansion unit (see“Removing an expansion unit”
on page 31 and “Installing an expansion unit” on
page 32 )
2. Replace the expansion unit (see“Removing an
expansion unit” on page 31 and “Installing an
expansion unit” on page 32 ).
BEM 2 fault
1. Reseat the expansion unit (see“Removing an
expansion unit” on page 31 and “Installing an
expansion unit” on page 32 ).
2. Replace the expansion unit (see“Removing an
expansion unit” on page 31 and “Installing an
expansion unit” on page 32 ).
High-speed expansion card fault
1. Reseat the high-speed expansion card (see “Removing
a high-speed expansion card” on page 41 and
“Installing a high-speed expansion card” on page 46).
2. Replace the high-speed expansion card (see
“Removing a high-speed expansion card” on page 41
and “Installing a high-speed expansion card” on page
46).
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BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide