IBM LS20 - BladeCenter - 8850 Service Manual page 37

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 8850," on page 53 to determine which components are customer
replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Error code Description
1762 Hard disk configuration error.
18xx Unavailable PCI hardware interrupt.
1962 A drive does not contain a valid boot sector. 1. Make sure that a bootable operating system is
2400 Video controller test failure.
2462 Video memory configuration error.
Action
1. Reseat the hard disk drive.
2. Run the Configuration/Setup Utility program and
load the defaults.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Hard disk drive
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program and
adjust the adapter settings.
2. Remove each adapter one at a time, restarting
the server each time, until the problem is isolated.
installed.
2. Run the Fixed Disk diagnostic test.
3. Reseat the hard disk drive.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Hard disk drive
b. (Trained service technician only) System
board assembly
1. Verify that the keyboard/mouse/video select
button LED on the front of the blade server is on,
indicating that the blade server is connected to
the shared BladeCenter monitor.
2. Verify that the monitor is connected correctly to
the BladeCenter unit.
3. Reseat the video adapter (if installed).
4. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Video adapter (if installed)
b. (Trained service technician only) System
board assembly
1. Verify that the keyboard/mouse/video select
button LED on the front of the blade server is on,
indicating that the blade server is connected to
the shared BladeCenter monitor.
2. Verify that the monitor is connected correctly to
the BladeCenter unit.
3. (Trained service technician only) Replace the
system board assembly.
23
Chapter 2. Diagnostics