l
O
perating voltage too low or load resistance too high
à
C
heck
,
adapt if necessary
?
C
urrent signal greater than
22
m
A
or less than
3
.
6
m
A
l
E
lectronics module defective
à
E
xchange instrument or return instrument for repair
I
n
E
x applications
,
the regulations for the wiring of intrinsically safe
circuits must be observed
.
?
E
013
l
no measured value available
à
S
ensor in boot phase
à
S
ensor does not
fi
nd an echo
,
e
.
g
.
due to faulty installation or
wrong parameter adjustment
à
W
rong sensor length entered
?
E
017
l
A
djustment span too small
à
C
arry out a fresh adjustment and increase the distance
between min
.
and max
.
adjustment
?
E
036
l
no operable sensor software
à
C
arry out a software update or send the instrument for repair
?
E
042
/
E
043
l
H
ardware error
,
electronics defective
à
E
xchange instrument or return instrument for repair
D
epending on the failure reason and measures taken
,
the steps
described in chapter
"
S
et up
"
must be carried out again
,
if necessary
.
8
.
3
E
xchange or shorten cable
/
rod
T
he cable or rod
(
meas
.
part
)
of the probe can be shortened
,
if
necessary
.
T
o loosen the meas
.
part you need two fork spanners with
spanner width
8
.
1
L
oosen the measuring component by applying a fork spanner to
the
fl
at surfaces
(
SW
8
),
provide counterforce with another fork
spanner
(
SW
8
)
2
U
nscrew the loosened measuring component manually
3
P
lace the enclosed new double washer onto the thread
.
F
ault messages via the
indicating
/
adjustment
module
R
eaction after fault rec
-
ti
fi
cation
E
xchanging the cable
/
rod
VEGAFLEX
62
•
4
…
20
m
A
/
HART
two
-
wire
45
8
M
aintenance and fault recti
fi
cation
31837
-
EN
-
090831