IBM 9348 Service Information page 48

Is the ac power switch at the rear
of the tape unit is set to the
I
(on)
position.
Yes No
1
Set the ac power switch t o
the
I
On position.
Insert the CE test tape and
I
run sequence test 2; see
"Running Diagnostic
Tests" on page A-5.
This ends the procedure.
Check the fuse; see "Fuse
Removal and Installation" on
page 3-1 10.
Was the fuse blown o r missing?
No Yes
1
Exchange or install the
fuse.
Notes:
1. If the fuse blows again,
make sure it is
installed rig ht-side up.
2. If the fuse continues to
blow, replace the fol-
lowing FRUs:
Part 21F7939 60%
Part 21 F7958 39%
See "AC Power
Module Removal
"
on page 3-1 19 and
"AC Power Module
Installation" on
page 3-120.
This ends the ~rocedure.
1-36
9348 Service
Information