Step
1521-9
Are
all
the
ac
power
cables
seated
firmly
and
connected
correctly
from
the
rack
power
distribution
unit(s)
to
the
rack
drawers?
NO
Fix
the
connection.
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
.
YES
Go
to
“Step
1521-10.”
Step
1521-10
Follow
the
ac
power
cable(s)
from
the
primary
I/O
drawer
to
the
appropriate
power
distribution
unit.
Is
the
power
distribution
unit
power
LED
on?
NO
Go
to
“Step
1521-14”
on
page
95.
YES
Go
to
“Step
1521-11.”
Step
1521-11
Note:
Read
the
Danger
and
Caution
notices
under
“Safety
Notices”
on
page
xi
before
continuing
with
this
procedure.
Perform
the
following:
1.
Disconnect
the
ac
power
cable(s)
from
the
power
distribution
unit
that
supplies
power
to
the
primary
I/O
drawer.
2.
Use
a
multimeter
to
measure
the
ac
voltage
at
the
power
distribution
unit
socket(s)
where
the
ac
power
cable(s),
just
removed,
was
(were)
attached.
Is
the
ac
voltage
from
200
V
ac
to
240
V
ac?
NO
Replace
the
power
distribution
unit.
This
ends
the
procedure.
Go
to
″
Map
0410:
Repair
Checkout
″
in
the
Diagnostics
Information
for
Multiple
Bus
Systems
.
YES
Go
to
“Step
1521-12”
on
page
94.
Chapter
3.
Maintenance
Analysis
Procedures
93
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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