IBM 8670M1X User Manual page 102

Note: See "System" on page 116 to determine which components a field service technician should replace.
Diskette drive problems
Symptom
Diskette drive activity LED stays
on, or the system bypasses the
diskette drive.
Note: See "System" on page 116 to determine which components a field service technician should replace.
Symptom
The SCSI expansion enclosure
used to work but does not work
now.
Note: See "System" on page 116 to determine which components a field service technician should replace.
Symptom
Problems such as broken cover
locks or indicator LEDs not
working
Note: See "System" on page 116 to determine which components a field service technician should replace.
Symptom
Not all drives are recognized by
the hard disk drive diagnostic
test (Fixed Disk test).
System stops responding during
hard disk drive diagnostic test.
94
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
1. If there is a diskette in the drive, verify that:
v The diskette drive is enabled in the Configuration/Setup utility program.
v The diskette is not damaged. (Try another diskette if you have one.)
v The diskette is inserted correctly in the drive.
v The diskette contains the necessary files to start the server.
v The software program is working properly.
v The cable is installed correctly (in the proper orientation).
2. To prevent diskette drive read/write errors, be sure the distance between
monitors and diskette drives is at least 76 mm (3 in.).
3. Run diskette drive diagnostics.
4. Cable.
5. Diskette drive.
6. System board.
Expansion enclosure problems
FRU/action
1. Verify that:
v The cables for all external SCSI options are connected correctly.
v The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the server.
2. For more information, see your SCSI expansion enclosure documentation.
General problems
FRU/action
Broken CRU/FRU
Hard disk drive problems
FRU/action
1. Remove the first drive not recognized, and try the hard disk drive
diagnostic test again.
2. If the remaining drives are recognized, replace the drive you removed with a
new one.
1. Remove the hard disk drive being tested when the server stopped
responding, and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive you
removed with a new one.