IBM SA38-0512-03 manual Symptom Action, Power and Cooling Problems

Symptom

Action

All display problems.

1. If

using

a

graphics

display:

a. Go

to

the

Problem

Determination

Procedures

for

the

display.

b. If

you do not locate the problem, replace

the

display

adapter.

c. If you do not locate the problem,

suspect

the

systm

board. Go

to “MAP

1540:

Minimum

Configuration”

on

page

2-21.

2. If

using

an

ASCII

terminal:

Make sure that the ASCII terminal is

connected

to

S1.

a. If

the problems persist, go to the

Problem

Determination

Procedures

for

the

terminal.

b. If you do not locate the problem,

suspect the system board. Go to “MAP

1540:

Minimum

Configuration”

on

page

2-21.

Power and Cooling Problems

The

power

LEDs

on

the

operator

panel

andGo

to

“MAP

1520:

Power”

on

page 2-15.

power supply do not start flashing

within 30

seconds

of

A/C

power

application.

The

power

LEDs

on

the

operator

panel

andGo

to

“MAP

1520:

Power”

on

page 2-15.

power supply

do

not

come

on

or

stay

on.

The

power

LED

on

the

operator

panel

comesAutomaticon

power-up is a

feature on

all models

of

and

the

system powers

on

automatically

thewhen7043

43P series. Refer to the System

A/C

power

is

applied.

Board Jumper Settings for your model in

Chapter

1

for

the correct settings. If the

jumper

is set in the disabled position, replace the

system

board,

The

power

LEDs

on

the

operator

panel

cGometoon “MAP

1520:

Power”

on

page 2-15.

and

stay

on

but

the

system

does

not power

on.

The

cooling

fan(s)

do

not

come

on

or

cGometoon “MAP

1520:

Power”

on

page 2-15.

but

do

not

stay

on.

Other

Symptoms

or

Problems

You

do

not

have

a

determined

symptom.Go

to

“MAP

1020:

Problem

Determination”

on

page 2-7.

2-47043 43P Series Service Guide