IBM BladeCenter HS12 Type 1916, Service Manual

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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.
Symptom Action
The blade server turns off for
no apparent reason.
1. Check the function of the shared BladeCenter unit resources. See “Solving
shared BladeCenter resource problems” on page 167.
2.
(Trained service technician only) If the microprocessor error LED is lit, replace
the microprocessor - See “Removing a microprocessor and heat sink” on page
60 and “Installing a microprocessor and heat sink” on page 62.
3. (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.
The blade server does not turn
off.
1. Verify whether you are using an Advanced Configuration and Power Interface
(ACPI) or non-ACPI operating system.
2. If you are using a non-ACPI operating system, complete the following steps:
a. Turn off the blade server by pressing the power-control button for 4
seconds. See “Blade server controls and LEDs” on page 7.
b.
If the blade server fails during POST and the power-control button does
not work, remove the blade server from the bay and reseat it. See
“Removing the blade server from the BladeCenter unit” on page 33 and
“Installing the blade server in a BladeCenter unit” on page 34.
3. If the problem remains or if you are using an ACPI-aware operating system,
complete the following steps:
a. Check the power-management policies in the operating system for the
blade server.
b. (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.
Removable-media drive problems
Use this information to diagnose and resolve removable-media drive problems in
the blade server.
Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved. The removable-media (CD, DVD, or diskette)
drives are shared BladeCenter unit resources. First, make sure that the drives are
assigned to the blade server; then, see the following table and “Solving shared
BladeCenter resource problems” on page 167.
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BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide