Agilent Technologies 4339B - Troubleshooting Common Operational Issues

If
Y
ou
Have a
Problem 4339B
If Y
ou Have
a Problem
If
the
Display is
Blank and
the 4339B
Appears Dead
If
the
display is
blank, and
even the
annunciators are
not ON:
Check
the
fuse
.
If
an
Error
Message
is
Displayed
Refer
to
\Messages
."
If
the
4339B
does
not
A
ccept
Any
K
ey
Input
Check
whether
the
Rmt
annunciator(
9
)
is
ON.
Check
whether
the
external
controller
is
disabling
all
the
front-panel
controls
using
the
LOCAL
LOCKOUT
command.
If
so
,
send
the
LOCAL
command
from
the
external
controller
.
Press
.
Check
whether
the
K
ey
Lock
annunciator(
9 )
is ON.
Check
whether
the
handler
or
the
16064B
LED display/trigger
box is
connected
to
the
4339B
and
it
locks
out
the
keys
.
If
so
, unlock
the
keys
from
the
handler
or
the
16064B
.
Press
.
If
the Indicated
V
alue
is
not
Stable
Shield
the
DUT
to
reduce the
unwanted noise
and the
eect of
operator
proximity
.
F
or
example
,
use
the
16339A
Component
Test
Fixture.
Do
not
move
the
test
leads
while measuring.
Changing the
position of
the
test
leads
may
cause noise
inside the
test leads
.
Position
the 4339B
on a
stable place
, where
it
will
not
be
aected
by
vibration.
Vibrating
the
4339B
may
cause
noise
inside
the
4339B
.
Measurement value could vary in the case of faulty powre line frequency settings
. Refer to
the \
Turning ON the 4339B
" in Chapter 1 to set the powre line frequency
.
If Y
ou Find Y
ourself Lost When Operating the 4339B
Press
until the 4339B returns
to the measurement mode
.
Or press to return to the default settings.
2-22 Operating the 4339B