Mode
l 5528A
Errors and E
rr
or Messages
SECTION 17
ERRORS
AND ERROR
MESSAGES
Table
1
7-1
provides a listing of the
la
se
r
Mea
s
urement
Syste
m
's
error
me
ss
ag
es,
their
meaning
s,
and action you
ca
n take to try to eliminate the error.
If performing the indicated
"Act
ion" does not eliminate the error, refer
to
the
la
se
r
Me
as
ur
eme
nt
Sys
tem
's
Se
rvi
ce
Manual.
Table
17-1
.
La
ser
Measuremenr
Sy
srem
Erro
r Messages
M
essage
Meaning
Action
A Error
Err
or
in
"ave
ra
ge"
value
of
MATl
This m
ea
ns that you are tryi
ng
to vi
ew
the
TEMP
ave
ra
ge rnaterial
tempe
rature,
but
one
or
m
ore
material
temperature
sensors a
rc
indi
-
cating
an
erro
r.
Cycle t
hr
ough the MATERI
AL
TEMP
ERATURE
key to
det
er
mine
which sen-
50
r(s)
is
bad.
This error sh
ould
be cleared,
without
l
oss
of
meas
urement
inf
orm
ation,
by
removing
the
bad
se
n
so
r.
Unplu
g the bad sensor(s) and
have
it
repaired.
If the error condition per
sis
t
s,
th
e M eas
ure-
ment Displ
ay
may need
se
rvice.
AE
E
rror
Err
or
in
"tem
peratur
e"
va
l
ue
fr
om
This
erro
r should be clea red,
without
l
oss
of
Air
Sen
so
r (
see
V.O.
L.
i
nformation
) meas
ur
ement
inf
onna
tion, by
remo
ving the
bad sen
so
r.
AH Error
Error in
" humidit
y"
va
l
ue
from Air
Se
n
so
r (
see
V.O.l.
information
)
Unplug
the Air
Se
n
so
r and have it repaired.
AP
Error
Error in
" pre
ss
ure" value
fro
m
Aif
If the pr
oblem
persist
s,
the
Mea
s
urement
Se
n
so
r (
see
V.O.l.
inform
at
ion)
Di
spl
ay
ma
y need
se
rvice.
C E
rror
Co
mp
en
sa
tion
er
ror
(
due
to
a
se
n- This means that you are trying
to
view
the
so
r
ef
ror) (
see
V.O.
L.
inf
o
rmation
)
Ve
l
ocity-of-l
ight C
ompen
sa
tion value, but an
Air
Se
ns
or
error
(i.e. air
temperature
, pres-
sure, or
hum
idity) prevents the M
eas
ur
ement
Di
spl
ay
from
calcu lating
th
at
va
lue. Cycle
th r
oug
h the
V.O.l.
key to
determine
which
part
(s
}
of
the
Air
Se
nsor
is
bad.
This e
rror
s
hou
ld be
dea
r
ed,
without
lo
ss of
measurernent
inf
o
rmation
, by rerno
vi
ng the
bild
se
n
so
r. U
nplug
the
Air
Se
n
so
r and have
it repaired.
If the e
rr
or
co
nditi
on
per
sist
s,
the M
eas
ur
e-
ment Displ
ay
rnay need
se
rvice.
17·1