IBM BladeCenter HS21 Series Problem Determination And Service Manual page 42

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 1885 and 8853," on page 73 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 code Description
604 Diskette drive failure.
662 Diskette drive configuration error.
1200 Processor machine check.
1762 Hard disk drive configuration has changed.
26
BladeCenter HS21 Types 1885 and 8853: Problem Determination and Service Guide
Action
1. Check the function of the shared BladeCenter unit
resources (see "Solving shared BladeCenter
resource problems" on page 66).
2. (Trained service technician only) Replace the
system board assembly
1. Check the function of the shared BladeCenter unit
resources (see "Solving shared BladeCenter
resource problems" on page 66).
2. (Trained service technician only) Replace the
system board assembly
1. Reseat the following components:
a. (Trained service technician only)
Microprocessor 1
b. (Trained service technician only)
Microprocessor 2
2. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. (Trained service technician only)
Microprocessor 1
b. (Trained service technician only)
Microprocessor 2
c. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program,
make sure that the hard disk drive configuration is
correct, and save the settings.
2. Reseat the hard disk drives.
3. If blade expansion unit is installed, reseat it.
4. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Hard disk drives
b. Blade expansion unit (if one is installed)
c. (Trained service technician only) System
board assembly