System Processorlstorage Problem Isolation Procedures; Proc-Pip1 - IBM Application System/400 Service Information

System Processor/Storage
Problem Isolation Procedures
PROC-PIP1
This procedure isolates a system processor or
main storage problem.
1
Perform the following:
a. Power off the system (see "Powering
Off and Powering On the System" on
page 5-2).
b. Remove all of the main storage expan-
sion cards (see "Main Storage Cards"
on page 4-9).
c. Select the IPL type B and mode M (see
"Selecting I PL and Mode" on
page 5-2).
d. Power on the system (see "Powering
Off and Powering On the System" on
page 5-2).
Does the IPL or Install the System display
appear?
Yes No
L
Perform the following:
a. 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.
b. Install the main storage expan-
sion cards in the new chassis in
the same locations that they
were removed from the old
chassis.
This ends the procedure.
2
Perform the following:
a. Select the Use dedicated service tools
(DST) option.
b. Enter the customer password to get to
the Use Dedicated Service Tools (DST)
display.
c. Select the Start a service tool option.
d. Select the Display hardware configura-
tion option.
e. Select the Main storage information
option.
Does the main storage information on the
Display Main Storage Information display
show a status of Fa; 1 ed or Errors
detected?
No Yes
L
Perform the following:
a. 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.
b. Install the main storage expan-
sion cards in the new chassis in
the same locations that they
were removed from the old
chassis.
This ends the procedure.
3
Perform the following:
a. Power off the system (see "Powering
Off and Powering On the System" on
page 5-2).
b. Install the main storage expansion
cards in the same locations that they
were removed from.
c. Power on the system (see "Powering
Off
and Powering On the System" on
page 5-2).
Does the IPL or Install the System display
appear?
Yes No
Exchange the main storage expan-
sion cards (see "Main Storage
Cards" on page 4-9).
This ends the procedure.
4
Perform the following:
a. Select the Use dedicated service tools
(DST) option.
b. Enter the customer password to get to
the Use Dedicated Service Tools (DST)
display.
c. Select the Start a service tool option.
d. Select the Display hardware configura-
tion option.
e. Select the Main storage information
option.
Chapter 3. Problem Isolation Procedures
3-9