1.Obtain the failing symptoms in as much detail as pos- sible.

2.Verify the symptoms by attempting to recreate the

failure by running the diagnostic test or by repeating the same operation.

Note: To run the diagnostics, refer to “Running the Diagnostics” on page 23

3.Use the following table with the verified symptom to determine which page to go to. Search the symptoms

column

and

find the

description that

best

matches

your

symptom; then

go

to

the

page shown in

the "Go

to"

column.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptoms

(Verified)

 

 

Go

to

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

failure.

(The

“Power

System

Checkout”

 

power-on indicator does

nont

page 10,

then use

table

 

go

on

or

stay

on.)

in

“Power-Related

 

 

 

 

 

 

 

 

 

Symptoms” on

page 20.

 

 

 

 

 

 

 

 

 

 

POST

does

not

complete.

“Symptom-to-FRU Index” on

 

No

beeps

or

error

page 16, then use table in

 

codes/messages are indi-“No Beep Symptoms” on

 

 

 

cated.

 

 

 

page

19.

 

 

 

 

POST beeps, but no error“Symptom-to-FRU Index” on codes are displayed. page 16.

POST detected an error and“Symptom-to-FRU Index” on displayed numeric error page 16, then use table in

codes.“Numeric Error Codes” on page 16.

The

diagnostic test detected“Running the Diagnostics”

an

error and

displayed ona page 23.

FRU

code.

 

 

 

 

 

 

 

Other symptoms

(such

as “Symptom-to-FRU Index” on

LCD

display problems).

page 16.

Symptoms cannot be recre-Use the customer-reported ated (intermittent problems)symptoms,. and go to

“Symptom-to-FRU Index” on page 16.

Audio Checkout

Do as follows:

1.Boot from the diagnostics diskette and start the program.

2.

Go

toInteractive Tests

on the main menu and select

 

the Internal

Speaker

 

test.

3.

If

no

sound

is

heard, replace the speaker.

Fan ASM Checkout

To check the fan ASM, do the following:

1.Boot from the diagnostics diskette and start the program.

8 ThinkPad 240

Page 13
Image 13
IBM S09N-8590-00 manual Audio Checkout, Fan ASM Checkout