General problems
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 5, “Parts listing, System x3750 M4 Types 8722 and 8733,” on page 195 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.
Symptom Action
A cover latch is broken, an LED
is not working, or a similar
problem has occurred.
If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a
trained service technician (see Chapter 6, “Removing and replacing components,”
on page 205 to determine whether the part is a CRU or a FRU).
Hard disk drive problems
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 5, “Parts listing, System x3750 M4 Types 8722 and 8733,” on page 195 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.
Symptom Action
Not all drives are recognized by
the DSA hard disk drive
diagnostic test.
1. Set up the RAID configuration before running the DSA diagnostics.
2. Remove the drive that is indicated by DSA (see “Removing 2.5-inch and
1.8-inch hot-swap drives” on page 215); then, run the hard disk drive
diagnostic test again (see “Running the DSA Preboot diagnostic programs” on
page 171).
3. If the remaining drives are recognized, replace the drive that you removed
with a new one.
The server stops responding
during the hard disk drive
diagnostic test.
1. Set up the RAID configuration before running the DSA diagnostics.
2. Remove the hard disk drive that was being tested when the server stopped
responding (see “Removing 2.5-inch and 1.8-inch hot-swap drives” on page
215), and run the diagnostic test again (see “Running the DSA Preboot
diagnostic programs” on page 171).
3. If the hard disk drive diagnostic test runs successfully, replace the drive that
you removed with a new one (see “Replacing 2.5-inch and 1.8-inch hot-swap
drives” on page 216).
A hard disk drive has failed,
and the associated amber hard
disk drive status LED is lit.
Check the IMM event log for hard disk drive events and resolve the problem.
Chapter 4. Troubleshooting 175
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