IBM x3655 Service Guide - Page 133

No-beep, symptoms

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No-beep symptoms v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 4, "Parts listing, System x3655, Type 7985," on page 97 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. No-beep symptom Description Action No beep and the system Possible problem with the operator operates correctly information panel. 1. Reseat the operator information panel cable. 2. Replace the operator information panel assembly. No beep and no video (System error LED is OFF) Unknown problem See "Solving undetermined problems" on page 177. No beep and no video A possible system error has occurred (System Attention LED is ON) See "Light path diagnostics" on page 138. Chapter 5. Diagnostics 115

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No-beep
symptoms
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
4,
“Parts
listing,
System
x3655,
Type
7985,”
on
page
97
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
No-beep
symptom
Description
Action
No
beep
and
the
system
operates
correctly
Possible
problem
with
the
operator
information
panel.
1.
Reseat
the
operator
information
panel
cable.
2.
Replace
the
operator
information
panel
assembly.
No
beep
and
no
video
(System
error
LED
is
OFF)
Unknown
problem
See
“Solving
undetermined
problems”
on
page
177.
No
beep
and
no
video
(System
Attention
LED
is
ON)
A
possible
system
error
has
occurred
See
“Light
path
diagnostics”
on
page
138.
Chapter
5.
Diagnostics
115