IBM System x3650 Type 7979 Problem Determination And Service Manual page 75

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 7979 and 1914 server," on page 79 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
001-xxx-000 Failed core tests.
001-xxx-001 Failed core tests.
001-250-001 Failed system board ECC.
005-xxx-000 Failed video test.
011-xxx-000 Failed COM1 serial port test.
014-xxx-000 Failed parallel port test.
015-xxx-001 USB interface not found, board damaged.
015-xxx-015 Failed USB external loopback test.
015-xxx-198 USB device connected during USB test.
replace a CRU or FRU. Take the action that is indicated in the Action
column but do not replace a CRU or a FRU. See the description of
Warning in "Diagnostic text messages" on page 56 for more information.
Action
(Trained service technician only) Replace the system
board.
(Trained service technician only) Replace the system
board.
(Trained service technician only) Replace the system
board.
1. Reseat the optional video adapter, if one is
installed.
2. (Trained service technician only) Replace the
system board.
1. Check the loopback plug that is connected to the
externalized serial port; reseat or replace it if
necessary.
2. Check the cable from the externalized serial port
to the system board; reseat the cable if
necessary.
3. (Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the system
board.
(Trained service technician only) Replace the system
board.
1. Make sure that the port is not disabled.
2. Check the loopback plug that is connected to the
externalized USB port; reseat or replace it if
necessary.
3. Check the cable from the externalized USB port
to the system board; reseat the cable if
necessary.
4. Run the USB external loopback test again.
5. (Trained service technician only) Replace the
system board.
1. Remove USB devices from the external USB
ports.
2. Run the USB external loopback test again.
3. (Trained service technician only) Replace the
system board.
57
Chapter 2. Diagnostics