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
Action
301
Keyboard or keyboard controller error.
1. If you have installed a USB keyboard, run the
Configuration/Setup Utility program and enable
keyboardless operation to prevent the POST error
message 301 from being displayed during startup.
2. Reseat the keyboard.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Keyboard
b. (Trained service technician only) System
board assembly
303
Keyboard controller error.
(Trained service technician only) Replace the system
board assembly.
602
Invalid diskette boot record.
1. Remove and reinsert the diskette, and restart the
server; or restart the server using another
bootable diskette.
2. Reseat the following components:
a. Diskette drive
b. Diskette drive cable
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Diskette drive
b. Diskette drive cable
c. (Trained service technician only) System
board assembly
604
Diskette drive error.
1. Run the Configuration/Setup Utility program.
2. Reseat the following components:
a. Diskette drive
b. Diskette drive cable
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Diskette drive
b. Diskette drive cable
c. (Trained service technician only) System
board assembly
Chapter 2. Diagnostics
21
Summary of Contents for LS20 - BladeCenter - 8850
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