Lenovo ThinkServer RD120 Hardware Maintenance Manual page 159

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, ThinkServer RD120 Machine Types 6444, 6445, 6446, and 6447," on page 25
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
301 Keyboard or keyboard controller error.
303 Keyboard controller error.
1600 Service processor not functioning.
178x Fixed disk error.
Note: x is the drive that has the error
1800 Unavailable PCI hardware interrupt.
Action
1. Reseat the keyboard cable in the USB connector.
2. Move the keyboard cable to a different USB
connector.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Keyboard
b. (Only if the problem occurred with a front USB
connector) Internal USB cable.
c. (Trained service technician only) System
board
1. Reseat the keyboard cable in the USB connector.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Keyboard
b. (Trained service technician only) System
board
1. Reseat the optional Remote Supervisor Adapter II
SlimLine.
2. Replace the optional Remote Supervisor Adapter
II SlimLine.
1. Run the hard disk drive diagnostics tests on drive
x.
2. Reseat the following components:
a. Hard disk drive
b. Cable from the system board to the backplane
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Hard disk drive
b. Cable from the system board to the backplane
c. Hard disk drive backplane
d. (Trained service technician only) System
board
1. Run the Configuration/Setup Utility program and
adjust the adapter settings.
2. Remove each adapter one at a time, restarting
the server each time, until the problem is isolated.
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Chapter 5. Diagnostics