Model
5528A
Errors and Error
Me
ssages
Table 17-1. Laser Measurcmcnr System Error
Messages
Me
sSilige
Meaning
Action
FAIL 1
Failed part of Meas
ur
ement Di
sp
l
ay
Cycle the power
swi
tch on the Measurement
Power-up Self-Test Display again. H the error condition persists,
unplug all cables from th e rear
of
the Meas·
FAIL2
Failt.'<i
part
of
Measurement Di
sp
l
ay
urement Display. one by onc, and cycle the
P
owe
r-
up
Self-Test
power each lime. In this
way
you
can
deter-
mine which,
if
any
of
the extern
al
se
n
so
rs
of
FAIL 3 Failed part
of
Measurement Display the
Laser
Head
is
causing the problem. Have
Power-
up
Se
lf
Test
the bad inSlrument repaired.
FAIL 4
Failed part
of
Measurement Display If
this
error condition
persi
s
ts
with
all
external
P
ower-up
Se
lf
Test
cab
l
es
disconnected,
h;lVe
the Measurement
Di
sp
l
ay
repaired.
Th
ese
errors
ca
nnot
be
cleared and a
meas-
urement cannot
be
made unless
an
ac
tion
taken above
results in their removal from the
Display.
Hd
Error
Ld
se
r Head error
Press
RESET
on the Measurement Display.
This
may
clear the problem (but with a cor-
responding
lo
ss
of
mea
surement informa-
tionl.
1f
HD Error is not cleared by the
RESET
key. cycle the power on the Measurement
Display and wait for the
La
ser
Head 10 warm
up
again.
This
errO
l
can
only
be
cleared by resetting
Disp
la
y,
and re
su
lts in a lo
ss
of
measurement
data.
LASr
FAIL
F1cls
h
es
instead
of
"
LASr
UP"
when Make sure the laser H
ead
is connected to
the
La
se
r Head
is
not yet ready for the Measurement Display by the correct
operation
at
the end
of
the warm· cable.
Ve
rif
y ''lASER
ON"
LED
's
are lit on
up
countdown.
th
e laser Head. If not, the l
aser
H
ead
may
not
be
receiving power from
Ih
e
Meilsurl
;~·
rm:mt Displ
ay,
or there
may
be
a
fau
lt
in
the
Laser
1·l
ead.
If the
LASr
FAil
per
sis
ts after
cycling the power, the problem is probably
in the
La
se
r Head, and
ca
nnot
be
cleared, and
a measurement
can
not
be
made.
lr
Error
HP
-
IB
Problem You
hav
e picked
an
t-Ip
.
JB
sample rate that is
too
fast
for one
or
more
of
your
HP
-
IB
lis-
teners. Verify
t
ha
t all
HP
-
IB
devi
ces
are
prop-
erly configured on the bus. If they are OK,
then slow
down
the sample rate to accom-
modate the slowest device on the
HP-IB.
This error Colt) be cleared without
loss
of
meas-
urement information by pressing any key
on the keyboard (except the
RESET
key).
Or
Error
Overrange error. Value
is
larger
Pres
s the key again and the Display will show
(
or
mo
re
po
si
tive) than allowed. you the maximum allowable value for that
key.
(nter
a value
less
than the maximum.
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