General Problems; Hard Disk Drive Problems - IBM x3550 - System - 7978 Installation Manual

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide on the IBM System x Documentation
CD 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
The CD-RW/DVD drive tray is
not working.

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 the parts listing in the Problem Determination and Service Guide on the IBM System x Documentation
CD 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
An LED is not working, or a
similar problem has occurred.

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 the parts listing in the Problem Determination and Service Guide on the IBM System x Documentation
CD 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
Not all drives are recognized by
the hard disk drive diagnostic
test.
The server stops responding
during the hard disk drive
diagnostic test.
A hard disk drive was not
detected while the operating
system was being started.
A hard disk drive passes the
diagnostic Fixed Disk Test, but
the problem remains.
Action
1. Make sure that the server is turned on.
2. Insert the end of a straightened paper clip into the manual tray-release
opening.
3. Reseat the CD-RW/DVD drive cable.
4. Replace the CD-RW/DVD drive.
Action
If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a
trained service technician.
Action
Remove the drive that is indicated by the diagnostic tests; then, run the hard disk
drive diagnostic test again. If the remaining drives are recognized, replace the drive
that you removed with a new one.
Remove the hard disk drive that was being tested when the server stopped
responding, and run the diagnostic test again. If the hard disk drive diagnostic test
runs successfully, replace the drive that you removed with a new one.
Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic
tests again.
Run the diagnostic for SCSI Attached Disks.
Chapter 5. Solving problems
57