Power Problem Isolation Procedure; Pow-Pip1 - IBM Application System/400 Service Information

Power Problem Isolation
Procedure
POW-PIP1
This procedure isolates a power problem.
1
Power off the system if it is powered on
(see "Power off' on page 5-2).
2
Perform the following:
a. Remove the communications adapter
(see "Adapter Card" on page 4-2).
b. If a tape unit is attached, disconnect
the external tape unit cable from the
system unit.
3
Power on the system (see "Power on" on
page 5-2).
Do you still get SRC 0000 0005 or 0000
0006?
Yes No
Go to step 6.
4
Perform the following:
a. Power off the system (see "Power off'
on page 5-2).
b. Remove the system covers (see
"Cover" on page 4-6).
c. Remove the disk unit (see "Disk Unit"
on page 4-7).
d. Power on the system (see "Power on"
on page 5-2).
Do you still get SRC 0000 0005 or 0000
0006?
No Yes
Exchange the chassis. See ''Type
and Part Number List" on
page 2-62 to determine the part
and see "Chassis" on page 4-2 for
the procedure.
This ends the procedure.
5
Exchange the disk unit.
3-8
AS/400 9401 Service Information
This ends the procedure.
6
Is there a tape unit?
Yes No
*
Go to step 9 of this procedure.
7
Perform the following:
a. Power off the system (see "Power off"
on page 5-2).
b. Connect the extemal tape unit cable to
the chassis.
c. Disconnect the external tape unit cable
from the external tape unit.
d. Power on the system (see "Power on"
on page 5-2).
Do you still get SRC 0000 0005 or 0000
0006?
No Yes
Exchange the external tape unit
cable.
This ends the procedure.
8
Perform the following:
a. Power off the system (see "Power off'
on page 5-2).
b. Connect the external tape unit cable to
the extemal tape unit.
c. Power on the system (see "Power on"
on page 5-2).
Do you still get SRC 0000 0005 or 0000
0006?
No Yes
Exchange the external tape unit.
This ends the procedure.
9
Exchange the communications adapter.
This ends the procedure.