Is the SMS screen displayed?

NOOne of the FRUs remaining in the system unit is defective.

In the following order, exchange the FRUs that have not been exchanged:

1.Go to the Problem Determination Procedures (test procedures) for the device attached to the S1 serial port or the display attached to graphics adapter, and test those devices. If a problem is found,

follow the procedures for correcting the problem on that device.

2. Graphics adapter (if installed).

3. Cable (async or graphics, including internal async cable).

4.Riser card.

5.System board. (See notes on page 2-1.)

Repeat

this step

until

the defective FRU is

identified or

all the FRU

been

exchanged.

 

 

 

 

 

 

 

If

the symptom did not change

and

all the FRUs have been exchanged,

call

your

service

support

person

for assistance.

 

If

the

symptom changed,

check

for

loose cards

and obvious

problems. If

you

do not find a problem, return

to “Step 1540B-1” on page 2-39 and

follow

the instructions

for

the

new

symptom.

 

 

YES Go to “Step 1540B-8” on page 2-46.

Chapter 2. Maintenance Analysis Procedures 2-45(MAPs)

Page 81
Image 81
IBM SA38-0512-03 manual Maintenance Analysis Procedures 2-45MAPs