IBM 4840-544 Service Guide - Page 52

Preliminary, checklist - manual

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Resolving problems August 3, 2006 Preliminary checklist When you power ON the SurePOS 500 Models 5x3 and 544/564, it performs a power-on self-test (POST). When the power LED stops blinking, POST is complete. If multiple beeps occur, perform the following steps to diagnose the problem. 1. Ensure that all AC power is connected and observe the power light to make sure that it is lit. 2. Ensure that all cables and I/O devices are connected correctly and securely. 3. Make sure that you correctly adjust the brightness setting, using the controls at the bottom right side of the display. 4. Record any error messages or symptoms for troubleshooting. If you do not observe a specific error indication, continue problem resolution at "Troubleshooting" on page 27. Notes: | 1. For internal options and peripheral devices, you can use the diagnostic | programs to help resolve problems. Refer to "Running Diagnostics" on page 30. 2. Some devices that attach to the system have test instructions. Refer to those instructions when testing those devices. 3. When using application software, you may receive error messages that pertain to the software. Refer to the software manual for a description of those messages. 26

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Preliminary
checklist
When
you
power
ON
the
SurePOS
500
Models
5x3
and
544/564,
it
performs
a
power-on
self-test
(POST).
When
the
power
LED
stops
blinking,
POST
is
complete.
If
multiple
beeps
occur,
perform
the
following
steps
to
diagnose
the
problem.
1.
Ensure
that
all
AC
power
is
connected
and
observe
the
power
light
to
make
sure
that
it
is
lit.
2.
Ensure
that
all
cables
and
I/O
devices
are
connected
correctly
and
securely.
3.
Make
sure
that
you
correctly
adjust
the
brightness
setting,
using
the
controls
at
the
bottom
right
side
of
the
display.
4.
Record
any
error
messages
or
symptoms
for
troubleshooting.
If
you
do
not
observe
a
specific
error
indication,
continue
problem
resolution
at
“Troubleshooting”
on
page
27.
Notes:
1.
For
internal
options
and
peripheral
devices,
you
can
use
the
diagnostic
programs
to
help
resolve
problems.
Refer
to
“Running
Diagnostics”
on
page
30.
2.
Some
devices
that
attach
to
the
system
have
test
instructions.
Refer
to
those
instructions
when
testing
those
devices.
3.
When
using
application
software,
you
may
receive
error
messages
that
pertain
to
the
software.
Refer
to
the
software
manual
for
a
description
of
those
messages.
Resolving
problems
August
3,
2006
26
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