IBM 7940, Problem Determination And 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 3, “Parts listing, Type 7940 and 7941 servers,” on page 19 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
162 Device configuration error.
1. Run the Configuration/Setup Utility program,
select Load Default Settings , and save the
settings.
2. Reseat the following components:
a. Battery
b. Failing device
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Battery
b. Failing device
c. (Trained service technician only) System
board
163 Real-time clock error.
1. Run the Configuration/Setup Utility program,
select Load Default Settings , make sure that the
date and time are correct, and save the settings.
2. Reseat the battery.
3. Clear CMOS memory. See “Recovering from a
BIOS update failure (Clearing CMOS)” on page
107 for information about how to clear CMOS
memory.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Battery
b. (Trained service technician only) System
board
184 Power-on password damaged.
1. Run the Configuration/Setup Utility program,
select Load Default Settings , and save the
settings.
2. Reseat the battery.
3. Clear CMOS memory. See “Recovering from a
BIOS update failure (Clearing CMOS)” on page
107 for information about how to clear CMOS
memory.
4. (Trained service technician only) Replace the
system board.
189 An attempt was made to access the server
with invalid passwords. Restart the server, run the Configuration/Setup Utility
program and change the power-on password.
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IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide