IBM System x3550 Type 7978 Problem Determination And 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 7978 and 1913 server," on page 89 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-xxx-002 Failed diagnostics LED panel test.
180-xxx-003 Failed system board LED test.
180-xxx-005 Failed SAS backplane LED test.
201-xxx-0nn Failed memory test.
Note: n = slot number of failing DIMM.
201-xxx-n99 Multiple DIMM failure.
Note: n = bank number of failing pair.
202-xxx-00n Failed system cache test.
Action
Trained service technician only:
1. Disconnect the server power cords and reseat the
operator information panel cable. Restart the
server.
2. Replace the operator information panel.
(Trained service technician only) Replace the system
board.
Reseat the following components, one at a time, in
the order shown, restarting the server each time:
1. SAS backplane.
2. SAS backplane cable.
Replace the following components, one at a time, in
the order shown, restarting the server each time:
1. SAS backplane.
2. SAS backplane cable.
3. (Trained service technician only) System board.
Replace the following components one at a time, in
the order shown, restarting the server each time:
1. DIMM identified by nn.
2. (Trained service technician only) System board.
1. See the error text to identify the failing DIMMs.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. DIMMs in bank n.
b. (Trained service technician only) System
board.
1. Trained service technician only:
a. Reseat microprocessor 1 (if n = 0 or 1) or
microprocessor 2 (if n = 2 or 3).
b. Replace microprocessor 1 (if n = 0 or 1) or
microprocessor 2 (if n = 2 or 3).
c. Replace the system board.
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Chapter 2. Diagnostics