IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual page 99

Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
Diskette drive problems
Symptom
Diskette drive activity LED
stays on, or the system
bypasses the diskette drive.
Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
Expansion enclosure problems
Symptom
The SCSI storage expansion
unit used to work but does
not work now.
Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
General problems
Symptom
Problems such as broken
cover locks or indicator LEDs
not working
Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
Hard disk drive problems
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.
FRU/action
1. If there is a diskette in the drive, make sure that:
v The diskette is inserted correctly in the drive.
v The diskette is good and not damaged. (Try another diskette if you have
one.)
– The drive light comes on (one-second flash) when the diskette is inserted.
v The diskette contains the necessary files to start the computer.
v The diskette drive is enabled in the Configuration/Setup utility program.
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. Cable.
4. Run diskette drive diagnostics.
5. Diskette drive.
6. Media tray card.
FRU/action
1. Make sure that the enclosure is installed correctly.
2. For more information, see your SCSI storage expansion unit documentation.
FRU/action
Broken CRU/FRU
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 computer 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.
Chapter 6. Symptom-to-FRU index
89