IBM i 830 Repair Manual page 470

Tape Unit PIPs
10. Does the I/O processor give support to only one tape unit?
11. Perform the following:
12. The Reset option is not available, or you were not able to find the
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iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
No Yes
↓
The Reset option is not available. Go to step 12 of this procedure.
No Yes
↓
Perform the following:
a. Select the Work with configuration description option and press the
Enter key.
b. Select the Work with status option and press the Enter key.
c. You must complete the remaining parts of this step before you
press the Enter key.
Note: If the device is not varied off, select the Vary off option
before continuing.
d. Select the Vary on option for the failing tape unit.
e. Enter
RESET(*YES)
(the Reset command) on the command line.
f. Press the Enter key.
This ends the procedure.
a. Enter
WRKCFGSTS *DEV *TAP ASTLVL(*INTERMED)
(the Work with Configuration Status command) on the command line.
b. Select the Vary off option for the failing tape unit and associated devices
(the devices you identified in step 7 or 8 of this procedure). Press the Enter
key.
c. You must complete the remaining parts of this step before you press the
Enter key.
d. Select the Vary on option for the failing tape unit.
e. Enter
RESET(*YES)
(the Reset command) on the command line.
f. Press the Enter key.
g. Select the Vary on option for the associated devices (tape units) you
identified in step 7 or 8 of this procedure. It is not necessary to use the
Reset option again.
Does a system message indicate that the vary on operation failed?
Yes No
↓
This ends the procedure.
Configuration Description name when using
WRKHDWRSC *STG
(the Work with Hardware Resources command).