Step 1540B-4

No failure was detected with this configuration.

1.Turn the power off.

2.Install a pair memory modules.

3.Turn the power on.

Does

the

operator panel

stabilize

for

more

than 60

seconds with

code

FDC,

FF2,

FF3,

or

F4D

displayed,

or

is

one

of

these

codes

displayed

immediately

before

the

system

unit

attempts

to

restart?

 

 

 

 

NO

 

Go to “Step 1540B-5.”

 

 

 

 

 

 

YES

 

Repeat this step until all

the

memory

modules are installed and tested.

 

 

After all the memory modules

are

installed

and tested, turn the power to

 

 

off.

 

 

 

 

 

 

 

 

 

 

 

 

 

Go

to

“Step

1540B-7”

on

page 2-44.

 

 

Step 1540B-5

The

failure

may be caused by the

last

pair

of memory modules installed. To isolate

the

failing

FRU,

 

do

the

following:

 

 

 

1. Turn

the

power

off.

 

 

 

 

 

2. Exchange

the last memory module pair installed.

3. Turn

the

power

on.

 

 

 

 

 

 

Does

the

operator

panel

stabilize

for

more

than 60

seconds

with

code FDC,

FF2,

FF3,

or F4D

displayed,

or

is

one

of these

codes

displayed

immediately

before

the

system

unit

attempts

to

restart?

 

 

 

NOGo to “Step 1540B-6” on page 2-43.

YES Go to "Map 0410: Repair Checkout"Diagnosticsin the Information for

Multiple Bus Systems.

2-427043 43P Series Service Guide

Page 78
Image 78
IBM SA38-0512-03 manual Than Seconds with, Immediately, Go to B-5, Code FDC, One