IBM BladeCenter HS20 7981 Problem Determination And Service Manual page 35

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 7981," 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
151 Real time clock error
161 Real-time clock battery error
162 Invalid configuration information or CMOS
RAM checksum failure.
163 Time of day not set.
Action
1. Run the Configuration/Setup Utility program.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program,
select Load Default Settings, and save the
settings.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
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. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
19
Chapter 2. Diagnostics