?
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
sensor in boot phase
à
S
ensor does not
fi
nd an echo
,
e
.
g
.
due to faulty installation or
wrong parameter adjustment
?
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
041
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
xchanging the electronics module
I
f the electronics module is defective
,
it can be replaced by the user
.
I
n
E
x applications only one instrument and one electronics module with
respective
E
x approval may be used
.
I
f there is no electronics module available on site
,
one can be ordered
from the
VEGA
agency serving you
.
T
he settings of the sensor must be downloaded into the new
electronics module
.
T
his can be done
:
l
A
t the factory by
VEGA
l
O
r on site by the user
I
n both cases
,
the sensor serial number is needed
.
T
he serial numbers
are stated on the type label of the instrument
,
inside the housing or on
the delivery note
.
F
ault messages via the
indicating
/
adjustment
module
R
eaction after fault rec
-
ti
fi
cation
S
ensor serial number
40
VEGASON
61
•
4
…
20
m
A
/
HART
four
-
wire
8
M
aintenance and fault recti
fi
cation
28778
-
EN
-
081127
