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Table 11. Abbreviated list of POST error codes (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See the parts listing in the Hardware Maintenance Manual 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
151 Real-time clock error.
1. Reseat the battery.
2. 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
162 Invalid configuration information or CMOS
random-access memory (RAM) checksum
failure.
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 (if the device is a FRU,
the device must be reseated by a
trained service technician only)
3.
Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. Battery
b. Failing device (if the device is a FRU,
the device must be replaced by a
trained service technician only)
c. (Trained service technician only)
System board
163 Time of day not set.
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. See the Hardware
Maintenance Manual for information
about how to clear CMOS.
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
Chapter 5. Solving problems 53