Symptom
Action
Service
Actions
You
have
parts
to
exchange
or
a
corrective
action
to
perform.
1.
Go
to
the
Removal
and
Replacement
Procedures
.
2.
Go
to
the
Repair
Checkout
Procedure
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
.
You
need
to
verify
that
a
part
exchange
or
corrective
action
corrected
the
problem.
Go
to
the
Repair
Checkout
Procedure
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
.
You
need
to
verify
correct
system
operation.
Go
to
the
System
Checkout
Procedure
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
.
A
Repeating
Pattern
of
Error
Code
Data
Appears
on
the
Primary
I/O
Drawer
Operator
Panel
Display
A
sequence
of
displays,
each
appearing
for
five
seconds,
repeats
continuously
as
follows:
A
blank
display,
followed
by
an
eight-digit
error
code,
followed
by
up
to
nine
full
panels
of
dump
data.
1.
Record
the
8-digit
error
code
seen
after
the
five
second
blank
display.
2.
Reset
the
service
processor,
using
the
pinhole
reset.
3.
Go
to
“Checkpoint
and
Error
Code
Index”
on
page
165
with
the
error
code
you
have
recorded.
OK
Does
Not
Appear
in
the
Primary
I/O
Drawer
Operator
Panel
Display
Before
Pressing
the
Power
On
Button
A
bouncing
or
scrolling
ball
remains
on
the
primary
I/O
drawer
operator
panel
display
or
the
primary
I/O
drawer
operator
panel
display
is
filled
with
dashes.
If
an
ASCII
terminal
is
available,
connect
it
to
the
primary
I/O
drawer
through
serial
port
1.
1.
If
the
service
processor
menu
is
displayed:
a.
Replace
the
primary
I/O
drawer
operator
panel
assembly.
Refer
to
“Operator
Panel”
on
page
463.
b.
Replace
the
primary
I/O
drawer
backplane.
Refer
to
“I/O
Drawer
Backplane
Assembly”
on
page
445.
2.
If
the
service
processor
menu
is
not
displayed,
replace
the
primary
I/O
drawer
backplane.
Refer
to
“I/O
Drawer
Backplane
Assembly”
on
page
445.
If
an
ASCII
terminal
is
not
available,
replace
the
following,
one
at
a
time.
1.
Primary
I/O
drawer
operator
panel
assembly.
Refer
to
“Operator
Panel”
on
page
463.
2.
Primary
I/O
drawer
backplane.
Refer
to
“I/O
Drawer
Backplane
Assembly”
on
page
445.
You
have
a
blank
display
on
the
primary
I/O
drawer
operator
panel.
Go
to
“MAP
1520:
Power”
on
page
89.
There
is
an
8-Digit
Error
Code
Chapter
3.
Maintenance
Analysis
Procedures
77
Summary of Contents for 6H0
Page 2: ......
Page 12: ...x Service Guide ...
Page 16: ...xiv Service Guide ...
Page 18: ...xvi Service Guide ...
Page 28: ...R CEC Drawer 5 EIA Units Primary I O Drawer 5 EIA Units 8 Service Guide ...
Page 29: ...CEC Drawer Front View 1 1 Power On LED Chapter 1 Reference Information 9 ...
Page 33: ...5 Fan 4 U0 1 F4 6 Fan 3 U0 1 F3 Chapter 1 Reference Information 13 ...
Page 37: ...5 Fan 4 U0 2 F4 6 Fan 3 U0 2 F3 Chapter 1 Reference Information 17 ...
Page 77: ...DC Power Cable Routings Chapter 1 Reference Information 57 ...
Page 88: ...68 Service Guide ...
Page 94: ...74 Service Guide ...
Page 182: ...162 Service Guide ...
Page 444: ...424 Service Guide ...
Page 468: ...Replacement Replace in reverse order 448 Service Guide ...
Page 489: ...Chapter 10 Parts Information This chapter contains parts information for the system 469 ...
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Page 493: ...1 2 3 4 5 6 7 8 9 10 11 Chapter 10 Parts Information 473 ...
Page 497: ...7 8 9 10 6 1 2 3 4 4 5 Chapter 10 Parts Information 477 ...
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