IBM System x3950 Type 8878 Service Manual page 142

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
180-361-003 Failed fan LED test.
180-xxx-000 Diagnostics LED failure.
180-xxx-001 Failed front LED panel test.
180-xxx-002 Failed diagnostics LED panel test.
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IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
Action
1. Reseat the following components:
a. Fan
b. I/O board
2. Replace the components listed above one at a
time, in the order listed above, restarting the
server each time.
Run the diagnostic LED test for the failing LED.
1. Reseat the following components:
a. (Trained service technician only) Operator
information panel
b. I/O board
c. Microprocessor tray
2. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. (Trained service technician only) Operator
information panel
b. I/O board
c. (Trained service technician only)
Microprocessor tray
1. Reseat the following components:
a. (Trained service technician only) Operator
information panel
b. I/O board
c. Microprocessor tray
2. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. (Trained service technician only) Operator
information panel
b. I/O board
c. (Trained service technician only)
Microprocessor tray