Step
1523-4
Use
the
information
in
the
“I/O
Drawer
and
Power
Supply
LED
Status”
on
page
28
to
answer
the
following
question.
Is
the
power
supply
LED
blinking
quickly?
NO
Check
the
SPCN
cabling.
Check
internal
drawer
cabling
from
power
distribution
card
to
primary
I/O
backplane.
See
“Primary
I/O
Drawer
Internal
Cables”
on
page
481
in
Chapter
10.
Replace
the
I/O
drawer
power
supply.
Replace
the
secondary
I/O
drawer
backplane.
Replace
the
I/O
drawer
power
distribution
card.
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
YES
Replace
the
power
supply
with
the
flashing
LED.
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
Step
1523-5
Is
there
a
power
supply
with
a
flashing
LED?
NO
Go
to
“Step
1523-7”
on
page
106.
YES
Go
to
“Step
1523-6.”
Step
1523-6
Are
both
I/O
drawer
power
supply
LEDs
flashing?
NO
Replace
the
power
supply
with
the
flashing
LED.
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
YES
Check
internal
drawer
cabling
from
power
distribution
card
to
primary
I/O
backplane.
See
“Primary
I/O
Drawer
Internal
Cables”
on
page
481
in
Chapter
10.
Replace
the
following
one
at
a
time:
1.
secondary
I/O
drawer
backplane
2.
power
distribution
board
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
Chapter
3.
Maintenance
Analysis
Procedures
105
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 ...
Page 490: ...CEC Drawer 1 2 3 4 9 10 12 11 7 8 6 5 14 14 13 15 16 17 18 18 19 20 470 Service Guide ...
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 ...
Page 510: ...490 Service Guide ...
Page 522: ...502 Service Guide ...
Page 546: ...526 Service Guide ...
Page 552: ...532 Service Guide ...
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