IBM BladeCenter HS12 Type 1916, 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 4, “Parts listing, Types 8014, 8028 and 1916,” on page 25 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
2-3-1 Screen initialization failed. (Trained service technician only) Replace the
system-board assembly. See “Removing the
system-board assembly” on page 65 and
“Installing the system-board assembly” on
page 66.
2-4-4 Unsupported memory configuration.
1. Check the DIMM error LEDs on the blade
server. See “Light path diagnostics LEDs”
on page 130 for more information.
2. Check the management-module event log
for DIMM error messages. See “Error logs”
on page 76.
3. Replace noncompatible or failing DIMMs in
the blade server. See “Removing a memory
module” on page 44and “Installing a
memory module” on page 46.
3-1-1 Timer tick interrupt failed. (Trained service technician only) Replace the
system-board assembly. See “Removing the
system-board assembly” on page 65 and
“Installing the system-board assembly” on
page 66.
3-1-2 Interval timer channel 2 failed. (Trained service technician only) Replace the
system-board assembly. See “Removing the
system-board assembly” on page 65 and
“Installing the system-board assembly” on
page 66.
3-1-4 Time-of-day clock failed.
1. Reseat the battery. See “Removing the
battery” on page 57 and “Installing the
battery” on page 58.
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. Battery - See “Removing the battery” on
page 57 and “Installing the battery” on
page 58.
b. (Trained service technician only)
System-board assembly - See “Removing
the system-board assembly” on page 65
and “Installing the system-board
assembly” on page 66.
3-2-1 Serial port failed. (Trained service technician only) Replace the
system-board assembly. See “Removing the
system-board assembly” on page 65 and
“Installing the system-board assembly” on
page 66.
Chapter 6. Diagnostics
73