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 4, “Parts listing, Type 7377 server,” on page 125 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
0050001 DIMM disabled Note: Each time you install or remove a DIMM, you must
disconnect the server from the power source; then, wait 10
seconds before restarting the server.
1. Make sure the DIMM is installed correctly (see “Installing a
memory module” on page 162).
2. If the DIMM was disabled because of a memory fault,
follow the suggested actions for that error event and
restart the server.
3. Check the IBM support website for an applicable retain tip
or firmware update that applies to this memory event. If no
memory fault is recorded in the logs and no DIMM
connector error LED is lit, you can re-enable the DIMM
through the Setup utility or the Advanced Settings Utility
(ASU).
0051003 Uncorrectable DIMM error Note: Each time you install or remove a DIMM, you must
disconnect the server from the power source; then, wait 10
seconds before restarting the server.
1. Check the IBM support website for an applicable retain tip
or firmware update that applies to this memory error.
2. Manually re-enable all affected DIMMs if the server
firmware version is older than UEFI v1.10. If the server
firmware version is UEFI v1.10 or newer, disconnect and
reconnect the server to the power source and restart the
server.
3. If the problem remains, replace the failing DIMM (see
“Removing a memory module (DIMM)” on page 161 and
“Installing a memory module” on page 162).
4. (Trained service technician only) If the problem occurs on
the same DIMM connector, check the DIMM connector. If
the connector contains any foreign material or is
damaged, replace the system board (see “Removing the
system board” on page 228 and “Installing the system
board” on page 230).
5. (Trained service technician only) Remove the affected
microprocessor and check the microprocessor socket pins
for any damaged pins. If a damage is found, replace the
system board (see “Removing the system board” on page
228 and “Installing the system board” on page 230).
6. (Trained Service technician only) Replace the affected
microprocessor (see “Removing a microprocessor and
heat sink” on page 221 and “Installing a microprocessor
and heat sink” on page 223).
Chapter 3. Diagnostics 29
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