IBM 600X (MT 2646) manual Beep symptoms, Symptoms

Symptom-to-FRU error messages

Beep symptoms

Symptom

or

error

FRU

or

action,

in

sequence

Continuous

beeps.

1.System board

.

One beep and a blank,

1. Reseat

the

LCD

unreadable,

or

flashing

connector

.

LCD.

2.

LCD assembly.

3.

System board.

One

beep,

and

the

message1.Boot device .

“Unable

to

access

boot

2.

System board.

source.”

One long and two short

1.System board

.

beeps, and a blank or

2.

LCD assembly.

unreadable

LCD.

One

long

beep

followed

byConnect

the

ac

adapter

or

four

short

beeps

each

installtime a fully charged

the

power

switch

is

battery.

operated.

(System

cannot

power

on

because

of low

battery

voltage.)

One beep every second. Connect

the

ac

adapter

or

(System is shutting down install a fully charged

because of low batterybattery.

(Allow the

voltage.)

system

to

shut down

completely before

changing

the

battery.)

Two

short beeps

with

errorPOST error.

See

codes.

“Numeric

error codes”

on

page

18.

Two short beeps with blank

1.System board

.

screen.

No Beep		Symptoms
Symptom or		error		FRU	or	action,		in
				sequence
No beep, power-on				indicator1. Go		to	“Power		system
not on, and a blank LCD					checkout”		on	page	9.
during		POST.			2.	System board.
				3. Check			the		power
					outlet.
No beep, power-on				indicator1.System board					.
on,	and	a	blank LCD	during
POST.
No beep, power-on				indicator1.System board					.
on,	and	a	blinking	cursor
only	during		POST.

23