Cisco 7000 Series Hardware Installation And Maintenance page 114

Overview
Troubeshootng
This section describes
divided
is
sequence
specific
troubleshoot
Wem
with
Pro
SoHvng
The key
first
step
doing
isolate
first
these
Power
internal
Cooling
fans
whenever
the
feature allows
internal
exceeds
chassis
air-conditioned
right
customer
should
Processor
system
the
will
The
following
the
appropriate
Startup
lldentfyhig
When
Starting
startup
expected
By
checking
can
you
descriptions
indicated
the troubleshooting
more
for
into
subsystems
sections
contains
to
pointers
that
so you can
components
component
that
specific
Subsystems
the system
to
problem solving
in problems
solving
startup
Since
problem is
usually
startup
the subsystem
to
problem
procedures
troubleshooting
subsystemThis subsystem
harness connects
that
power
subsystemThis
subsystem
the array the fan control
in
the system
power is
outside the specified
fans is
operating
fans
the to
operate
chassis temperature
is
specified temperature
be
As may difficult
result
it
rooms When
viewing
of the chassis
wall interior
service representative
does not function
make
if
it
subsystemThis
subsystem
and
software
operating
RP
to initialize it
was able
hang
cause the system to
will
sections
help
you
section
troubleshooting
Probems
the router the
for
you up
start
Router
the
in
Chapter
and
describes the
sequence
LEDs
the of
state the
when and where
determine
the
problem
to isolate
each
in description to try
methods
used
in this
problem
efficient solving
contain
in this chapter that
where
determine
system
your
subsystem
or
to to isolate the problem
is
try
compare what
to the
is system
attributable to single
rather than troubleshoot
consider the following
subsystems
the
power supply
comprises
the
to backplane
FRU
fan
comprises
tray
and
board the All
itself
tray
on The
system automatically
down
shuts
or
range
and
slower speed
at provide
normal
within the
operating
the fan speed increases
to
whether
determine
to
from
the chassis the non-IP
determine
If that the
you
immediately There no
are
at initial
properly startup
RP
includes SP
the
LED
SP
Enabled
on
the the
Remember
IP
that that
an is
and crash
isolate to one
problem
should observe
time you
first
This section contains more
if the
take
to system
steps
and
on
the
supply processor
power
in
the system the
failed
startup
then
subsystem
to proceed
resolve the problem
to
Troubleshooting
how
and
defines the router
chapter
normal
of
description
startup
troubleshooting procedures
trouble and then
is
having
to subsystem
specific
what
should
it
doing to
is
more efficient
it is
component
the
each in
component system
power cord
external
the
which the individual
six
includes
fans should be
six
operating
down
one more
shuts or
if
any
The
variable
completely
when
operation
quieter
the
If internal
temperature
range
move
more air
cooling through
or not the fans are operating
end
fan array spans
the
contact
fans not operating
are
installation that
adjustments
RP
IPs The
and contains
all
IP indicates whether
and each
installed in the
backplane
partially
and
of these direct
subsystems
described
the
sequence
startup
of the
detailed
description
does
that
not perform
sequence
RP SP
modules the
Use
the following
sequence
sections
to the
appropriate
Troubleshooting
Overview
for
The
be
to
For
and
the
of
speed
the
the
in noisy
the
you
the
or not
to
you
in
normal
as
and
IPs
the Installation 4-3