IBM System x3950 Type 8878 Service Manual page 91

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 8878 and 8879," on page 23 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
184 Power-on password damaged.
187 VPD serial number not set.
188 Bad EEPROM CRC #2.
189 An attempt was made to access the server
with an incorrect password.
289 A DIMM has been disabled by the user or
by the system.
Action
1. Run the Configuration/Setup Utility program,
select Load Default Settings, and save the
settings.
2. Reseat the following components:
a. Battery
b. I/O board
3. Remove the battery for 60 minutes; then, reinstall
the battery and restart the server.
4. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server
each time.
1. Set the serial number by updating the BIOS code
level (see "Updating the firmware" on page 13).
2. Reseat the following components:
a. I/O board
b. Optional Remote Supervisor Adapter II
SlimLine
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server
each time.
1. Restart the server.
2. Update the BMC firmware (see "Updating the
firmware" on page 13).
3. Reseat the microprocessor tray.
4. (Trained service technician only) Replace the
microprocessor tray.
Restart the server and enter the administrator
password; then, run the Configuration/Setup Utility
program and change the power-on password.
Note: Make sure you re-enable the memory in the
Configuration/Setup Utility program. See, "Memory
problems" on page 94.
1. If the DIMM was disabled by the user, run the
Configuration/Setup Utility program and enable
the DIMM.
2. Make sure that the DIMM is installed correctly
(see "Memory card and memory module (DIMM)"
on page 40).
3. Reseat the DIMM.
4. Replace the DIMM.
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Chapter 5. Diagnostics