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Note:
See
Chapter
7,
“Parts
listing,
Type
8839,”
on
page
105
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Error
code/symptom
FRU/action
167-400-001
ISMP:
Failed
(ISMP
failed
to
communicate
with
I/O
board.)
I/O
board
167-400-002
ISMP:
Failed
(ISMP
failed
to
communicate
with
processor
board.)
1.
Processor
board
2.
I/O
board
167-400-003
ISMP:
Failed
(ISMP
failed
to
communicate
with
processors.)
1.
Processor
board
2.
I/O
board
3.
Microprocessor
167-400-004
ISMP:
Failed
(ISMP
failed
to
communicate
with
DIMMs.)
1.
Processor
board
2.
I/O
board
3.
DIMMs
180-XXX-001
(Failed
front
LED
panel
test.)
1.
Front
panel
2.
I/O
board
180-XXX-000
(Diagnostics
LED
failure)
Run
diagnostics
panel
LED
test
for
the
failing
LED.
180-XXX-001
(Failed
front
LED
panel
test)
1.
Front
bezel
with
customer
interface
card
2.
System
board
180-XXX-002
(Failed
diagnostics
LED
panel
test)
System
board
180-XXX-003
(Failed
system
board
LED
test)
System
board
180-XXX-005
(Failed
SCSI
backplane
LED
test)
1.
SCSI
storage
expansion
unit
2.
System
board
201-XXX-0nn
(Failed
memory
test.)
1.
Replace
DIMM
nn,
where
nn
is
the
DIMM
number.
2.
System
board.
201-XXX-Y99
(Multiple
DIMM
failure,
see
error
text)
1.
Isolate
the
failing
DIMM.
a.
Replace
a
DIMM
in
bank
with
a
known
good
DIMM.
b.
Rerun
memory
diagnostic
for
the
failing
bank.
c.
If
test
fails,
mark
replaced
DIMM
as
good
DIMM.
d.
If
test
passes,
mark
replaced
DIMM
as
bad
DIMM.
e.
If
DIMM
tested
is
bad,
replace
the
bad
DIMM.
f.
If
DIMM
tested
is
good,
do
not
replace
it.
2.
Repeat
steps
1a
through
1f
with
other
DIMMs
in
the
failing
bank
until
the
error
is
corrected.
3.
If
error
is
not
corrected,
replace
system
board.
202-XXX-001
(Failed
system
cache
test)
1.
Microprocessor
1
2.
System
board
202-XXX-002
(Failed
system
cache
test)
1.
Microprocessor
2
2.
System
board
202-XXX-003
(Failed
system
cache
test)
1.
Microprocessor
3
2.
System
board
Chapter
6.
Symptom-to-FRU
index
85