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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 7, “Parts listing, ThinkServer RD220 Type 3729, 3779, 3797, and 3798,” on page 231 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
184 Power-on password damaged.
1. Restart the server and enter the administrator
password; then, run the Server Configuration and
Boot Management program, select Load Default
Settings, and save the settings.
2. Reseat the battery.
3. Clear CMOS memory. See “System-board
switches and jumpers” on page 152 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
187 VPD serial number not set.
1. Run the Server Configuration and Boot
Management program, set the serial number, and
save the configuration.
2. (Trained service technician only) Replace the
system board.
189 An attempt was made to access the server
with an incorrect password.
Restart the server and enter the administrator
password; then, run the Server Configuration and
Boot Management program and change the power-on
password.
289 A DIMM has been disabled by the user or
by the system.
1. If the DIMM was disabled by the user, run the
Server Configuration and Boot Management
program and enable the DIMM.
2. Make sure that the DIMM is installed correctly
(see “Installing a DIMM” on page 192).
3. Reseat the DIMM.
4. Replace the DIMM.
301 Keyboard or keyboard controller error.
1. Reseat the keyboard cable in the USB connector.
2. Move the keyboard cable to a different USB
connector.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Keyboard
b. (Only if the problem occurred with a front USB
connector) Internal USB cable.
c. (Trained service technician only) System
board
34 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual