IBM 7940, Problem Determination And Service Manual

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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 3, “Parts listing, Type 7940 and 7941 servers,” on page 19 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
302-xxx-000 Failed mouse test.
1. Make sure that:
v
The mouse or pointing-device USB cable is
securely connected to the server, and the
keyboard and the device drivers are installed
correctly.
v The server and the monitor are turned on.
v Keyboardless operation has been enabled in
the Configuration/Setup Utility program.
2. Reseat the mouse or pointing-device cable.
3. If you are using an external USB hub, disconnect
the mouse or pointing device from the hub and
connect it directly to the server.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Mouse or pointing device
b. (Trained service technician only) System
board
405-xxx-000 Failed Ethernet test on controller on the
system board.
1. Make sure that Ethernet is not disabled in BIOS
(see “Using the Configuration/Setup Utility
program” on page 15).
2. (Trained service technician only) Replace the
system board.
405-xxx-00n Failed Ethernet test on adapter in PCI
Express slot
n .
Reseat the adapter in PCI Express slot n . Replace
the following components one at a time, in the order
shown, restarting the server each time:
1. Adapter in PCI Express slot n
2. (Trained service technician only) System board
405-xxx-a0n Failed Ethernet test on adapter in PCI
Express slot
a .
1. For a = 0, (trained service technician only)
replace the system board.
2. For a = 1 or 2,
a. Reseat the adapter in PCI Express slot a .
b. Replace the adapter in PCI Express slot a .
415-xxx-000 Failed modem test.
1. Make sure that the modem is present and
connected to the server.
2. Reseat the modem cable.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Modem cable
b. Modem
c. (Trained service technician only) System
board
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IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide