IBM i 830 Repair Manual page 464

Tape Unit PIPs
6. Does the tape drive eject the diagnostic cartridge?
7. Is the Disturbance light blinking approximately four times per second?
8. The Disturbance light is blinking approximately once per second.
9. The tape drive runs the hardware self-test. During the hardware self-test, the
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iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
To start the read self-test and hardware self-test, insert the diagnostic cartridge
(part 46G2660) into the tape drive.
The following conditions indicate that the read self-test ended successfully:
v The Read-Write light stops blinking.
v The diagnostic cartridge ejects automatically.
v The three status lights go on to indicate the start of the hardware test.
Does the read self-test end successfully?
No Yes
↓
Go to step 9 of this procedure.
Yes No
↓
The tape drive is the failing part.
Go to "Tape Cartridge – Manual Removal" on page 701. After removing
the diagnostic cartridge, exchange the tape drive (see Removable Media
in "Chapter 4. Removal and Installation Procedures" on page 617).
This ends the procedure.
No Yes
↓
The possible failing part is the diagnostic cartridge (part 46G2660).
If this is your first time through this step, get a new diagnostic
cartridge. Go to step 3 of this procedure to clean the tape drive again.
Afterwards, run the read self-test and hardware self-test while using
the new diagnostic cartridge.
If this is your second time through this step, the possible failing part is
the 8mm tape drive.
Go to "TU-PIP3" on page 451.
This ends the procedure.
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.
three tape drive status lights are on for 15 to 30 seconds. The three status lights
go off when the hardware self-test ends successfully.
Does the hardware self-test end successfully?
Yes No