Read the “Overview” on page 445 before continuing with this procedure.
1. Press the Unload switch on the front of the 8mm tape drive.
Is a data cartridge present?
Yes No
↓ Go to step 3 of this procedure.
2. Attempt to remove the data cartridge.
Can you remove the data cartridge?
Yes No
↓ The tape drive is the failing part.
Go to “Tape Cartridge – Manual Removal” on page 701. After removing
the data cartridge, exchange the tape drive (see Removable Media in
“Chapter 4. Removal and Installation Procedures” on page 617).
This ends the procedure.
3. Clean the tape drive by using the cleaning cartridge (part 16G8467).
Note: If the tape drive ejects the cleaning cartridge with the Disturbance light
on, a new cleaning cartridge is needed.
The tape drive unloads automatically when cleaning is complete. Cleaning
takes up to 5 minutes.
Is the Disturbance light on continuously?
No Yes
↓ Repeat this step while using a new cleaning cartridge. If you are using
a new cleaning cartridge and the Disturbance light does not go off, the
possible failing part is the 8mm tape drive.
Go to “TU-PIP3” on page 451.
This ends the procedure.
4. Is the Disturbance light blinking?
No Yes
↓
v If the 8mm tape drive is a type 6390, the possible failing part is the
6390 Tape Drive.
v If the 8mm tape drive is a type 7208, the possible failing parts are:
a. 7208 Tape Drive
b. Power supply
c. AMD
Go to “TU-PIP3” on page 451.
This ends the procedure.
5. The 8mm tape drive read self-test and hardware self-test can take up to 5
minutes to run.
The tape drive runs the read self-test first. During the read self-test, the
Read-Write light blinks, and the Disturbance and Ready lights are off.
Tape Unit PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 449
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