IBM 88371RU, Maintenance And Troubleshooting Manual

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Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
CD-ROM drive tray is not
working. (The server must be
powered on.)
1. Insert the end of a paper clip into the manual tray-release opening.
2. Run CD-ROM diagnostics.
3. Check the connector and signal cable for bent pins or damage.
4. CD-ROM drive.
Diskette drive error symptoms
Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
The diskette drive activity LED
stays lit, or the server bypasses
the diskette drive, or the
diskette drive does not work.
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 good and 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, make sure that 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.
General error symptoms
Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
Problems such as broken cover
locks or indicator LEDs not
working
v Broken CRU/FRU
Hard disk drive error symptoms
Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
Not all drives are recognized by
the hard disk drive diagnostic
test (Fixed Disk test).
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.
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xSeries 336 Type 1879 and Type 8837: Hardware Maintenance Manual and Troubleshooting Guide