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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 the parts listing in the Problem Determination and Service Guide 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
The server stops responding
during the hard disk drive
diagnostic test.
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.
A hard disk drive was not
detected while the operating
system was being started.
Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic
tests again.
A hard disk drive passes the
diagnostic Fixed Disk Test but
the problem remains.
Run the diagnostic SCSI Fixed Disk Test (see “Running the diagnostic programs” in
the Problem Determination and Service Guide on the IBM xSeries Documentation
CD).
Note: This test is not available on servers that have RAID arrays or servers that
have SATA hard disk drives. Use the Fixed Disk Test for SATA hard disk drives or
servers that have RAID arrays.
Intermittent 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 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 problem occurs only
occasionally and is difficult to
diagnose.
1. Make sure that:
v All cables and cords are connected securely to the rear of the server and
attached devices.
v When the server is turned on, air is flowing from the fan grille. If there is no
airflow, the fan is not working. This can cause the server to overheat and
shut down.
2.
Check the system/event error log (see “Error logs” in the Problem
Determination and Service Guide on the IBM xSeries Documentation CD).
66 xSeries 206m Types 8485 and 8490: Installation Guide