Error
Symptom
FRU/Action
Power
switch
does
not
work
and
reset
button
does
work.
1.
Verify
that
the
power-on
override
switch
5
of
SW1
is
set
to
Off
(see
“System
board
switches
and
jumpers”
on
page
44).
2.
Power
Switch
Assembly
3.
System
Board
Diskette
drive
in-use
light
stays
on,
or
the
system
bypasses
the
diskette
drive,
or
the
diskette
drive
does
not
work.
1.
If
there
is
a
diskette
in
the
drive,
verify
that:
a.
The
diskette
drive
is
enabled
in
the
Configuration/Setup
utility
program.
b.
The
diskette
is
good
and
not
damaged.
(Try
another
diskette
if
you
have
one.)
c.
The
diskette
is
inserted
correctly
in
the
drive.
d.
The
diskette
contains
the
necessary
files
to
start
the
server.
e.
The
software
program
is
OK.
f.
Cable
is
installed
correctly
(proper
orientation)
2.
Run
Diskette
Drive
Diagnostics.
3.
Cable
4.
Diskette
Drive
5.
System
Board
Monitor
problems
(general).
Some
IBM
monitors
have
their
own
self-tests.
If
you
suspect
a
problem
with
the
monitor,
refer
to
the
information
that
comes
with
the
monitor
for
adjusting
and
testing
instructions.
1.
Monitor
2.
Run
Video
Diagnostics.
If
diagnostics
pass,
the
problem
may
be
a
video
driver.
3.
Display
Adapter
/
System
Board
Power
supply
LED
errors
Use
the
power
supply
LED
information
on
the
following
page
to
troubleshoot
power
supply
problems.
The
minimum
configuration
required
for
the
DC
Good
light
to
come
on
is:
v
Power
Supply
v
Power
Backplane
v
System
Board
(with
power-on
override
switch
(switch
5
of
SW1)
set
to
On;
see
“System
board
switches
and
jumpers”
on
page
44)
Note:
The
power-on
override
switch
(switch
5
of
SW1)
is
intended
for
problem
determination
purposes
only.
Use
of
this
switch
will
cause
POST
errors.
.
AC
Good
LED
DC
Good
LED
Description
FRU/Action
Off
Off
No
power
to
system
or
ac
problem.
1.
Check
ac
power
to
system.
2.
Power
Supply
3.
Power
Backplane
4.
Power
AC
Inlet
Box
Symptom-to-FRU
index
133
Summary of Contents for xSeries 230 6RY
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Page 194: ...Part Number 19K6112 Printed in USA 1P P N 19K6112...