Cisco 7000 Series Hardware Installation And Maintenance page 143

Overview
Troubleshooting
the
Troubleshooting
Check
On
On
Is
If
you
connector
7000 Hardware
4-4 Cisco
Power Subsystem
the following
to help isolate
lower power supply
the
is
the
If
yes power source
the power/interlock
If no
first
suspect
switch fully counterclockwise
power
few inches
then
push
it
firmly
back
flush with the
is
supply
the captive
Tighten installation
turned the
completely to
interlock in the chassis
slot
Router
the
Installing
AC
or
the
If
power
input
switch
is correctly set
suspect
connect the cable
power
LED
the then
If comes on
LED
come
the
fails
to
If
power cord and
replace the
comes on return the
then
LED
come
the
If fails to
still
power cable the
supply
power
lower power
in the
install
it
instructions
the lower
power supply is
the
If
yes power
suspect
is
power supply present
whether the
power
supply
service representative with
AC
power
the input
power
each
of the
not
If
repeat
are unable resolve the
to problem
contact service representative
is faulty
and Maintenance
Installation
the problem
AC
the
power or input power
and
the
good
is power
supply
switch Loosen
the
off
to
position
back bay and
into the
of the chassis
screw then turn the
on and
the interlock tab
position
to the section Installing
Refer
DC
and
out fail
power fail or
the or the
source
power
another
to power source if
the the
is
problem power
first
on
after
connect the
you power
on
back
turn the switch
cable
for replacement
power
first
when
on
connected
to
is If
probably faulty
bay and
contact
supply
DC
LED
the out fail
fail or
the
Try power
supply
installing
move
the lower bay Turn
it to
or the
connector in
power
the results
LED
on
for the second redundant
above
the second
procedures for
determine
if
or you
instructions
for
on
LED
functional
is
the captive screw
installation
pull the supply out of the
the front of the
ensure that
clockwise
until
switch
power
extended into the
is fully
Power
Supplies in
LEDs
remain
both
off
Turn
cable the switch
power
and
turn the switch
available
source
new
power source
supply to
AC
the or power
If input
power
source with
different
power
second power
supply available
is
service for further
representative
on
the
in bay
upper
supply
both on
to
power
supplies
and
the chassis then
is
faulty
power supply
power supply
that either
power supply
turn the
bay
power
is
it
the chapter
and
the
off
back
on
LED
new
second
If
determine
contact
or chassis