v
to
begin
analyzing
an
intermittent
problem
v
v
v
v
v
Use
this
intermittent
problem
section
For
use
by
authorized
service
providers.
The
following
danger
notice
always
applies
in
this
intermittent
section:
DANGER
To
prevent
a
possible
electrical
shock
from
touching
two
surfaces
with
different
electrical
grounds,
use
one
hand,
when
possible,
to
connect
or
disconnect
signal
cables.
(RSFTD004)
Special
tools
and
equipment
You
must
make
all
ac
voltage
measurements
with
a
meter
that
measures
true
root
mean
square
(RMS)
voltage.
The
Fluke**
multimeter
present
in
most
IBM
tool
kits
measures
true
RMS
voltage.
You
can
also
use
Fluke
8060A,
8600A,
or
equal
meters.
You
can
get
equipment
for
the
following
conditions
from
your
branch
office
or
installation
planning
representative:
v
If
you
suspect
that
the
air
at
the
system
site
is
too
hot
or
too
cold,
you
need
a
thermometer
to
check
the
temperature.
v
If
you
suspect
the
moisture
content
of
the
air
at
the
system
site
is
too
low
or
too
high,
use
a
wet/dry
bulb
to
check
the
humidity.
See
for
more
information.
v
If
you
need
to
check
ac
receptacles
for
correct
wiring,
you
need
an
ECOS**
tester,
Model
1023-100,
or
equivalent
tester.
The
tester
lets
you
quickly
check
the
receptacles.
If
you
cannot
find
a
tester,
use
an
analog
multimeter
instead.
Do
not
use
a
digital
multimeter.
v
To
send
data
with
a
Licensed
Internal
Code
Trouble
Report
(LICTR),
you
need
a
blank
tape
for
a
storage
dump.
Since
you
cannot
predict
when
you
might
need
a
blank
tape,
you
should
always
keep
a
blank
tape
available.
How
to
use
this
section
Follow
the
steps
in
this
procedure
to
correct
an
intermittent
problem.
1.
Read
all
of
the
information
in
before
you
attempt
to
correct
an
intermittent
problem.
Then
continue
with
the
next
step
of
this
procedure.
2.
Perform
ALL
steps
in
the
Then
return
to
this
step
of
this
procedure
and
answer
the
following
question.
Did
you
correct
the
intermittent
problem?
v
No
:
Go
to
This
ends
the
procedure.
v
Yes
:
This
ends
the
procedure.
Correct
intermittent
problems
For
use
by
authorized
service
providers.
12
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
