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.
Beep code
Description
Action
3-3-3
No operational memory in system.
Important:
In some memory configurations,
the 3-3-3 beep code might sound during POST
followed by a blank monitor screen. If this
occurs and the
Boot Fail Count
option in the
Start Options
of the Setup Utility program is
enabled, you must restart the blade server
three times to reset the configuration settings to
the default configuration (the memory
connector or bank of connectors enabled).
1.
Install or reseat DIMMs and restart the
blade server
three times
(see “Removing a
memory module” on page 37 and
“Installing a memory module” on page 38).
2.
Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a.
DIMMs (see “Removing a memory
module” on page 37 and “Installing a
memory module” on page 38)
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)
No-beep symptoms
The following table describes situations in which no beep code sounds when POST
is completed.
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.
No-beep symptom
Action
No beep and the blade server operates correctly
(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).
No beep and no video (system-error LED is off)
See “Solving undetermined problems” on page 164.
No beep and no video (system attention LED is lit)
See “Light path diagnostics” on page 103.
Chapter 5. Diagnostics
71
Summary of Contents for LS42 - BladeCenter - 7902
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