12
M
aintenance and fault recti
fi
cation
12
.
1
M
aintaining
I
f the instrument is used properly
,
no special maintenance is required
in normal operation
.
12
.
2
R
emove interferences
A
maximum of reliability is ensured
.
N
evertheless
,
faults can occur
during operation
.
T
hese may be caused by the following
,
e
.
g
.:
l
M
easured value from sensor not correct
l
V
oltage supply
l
I
nterference on the cables
T
he
fi
rst measure to be taken is to check the input and output signals
.
T
he procedure is described as follows
.
I
n many cases the causes can
be determined this way and faults can be easily recti
fi
ed
.
S
hould these measures not be successful
,
please call in urgent cases
the
VEGA
service hotline under the phone no
.
+
49 1805 858550
.
T
he hotline is available to you
7
days a week round
-
the
-
clock
.
S
ince
we o
ff
er this service world
-
wide
,
the support is only available in the
E
nglish language
.
T
he service is free of charge
,
only the standard
telephone costs will be charged
.
?
T
he red failure control lamp
(
LED
)
of the signal conditioning
instrument lights
l
S
ensor not connected correctly
à
C
heck the electrical connection by means of the wiring plans
l
L
ine break
à
C
heck the electrical connection cables from the probe to the
signal conditioning instrument
l
P
robe without line break monitoring
à
C
heck if in the sensor housing between terminals
1
and
2
the
electronics for line break monitoring is mounted
.
I
f the probe
has no line break monitoring
,
set the switch for line break
monitoring
(
alarm
)
on the signal conditioning instrument to o
ff
.
I
n
E
x systems
,
make sure that the
E
x protection is not compromised by
the possible use of measuring instruments
.
?
T
he signal conditioning instrument does not switch when the
respective probe is covered or uncovered
l
O
perating voltage missing
(
green control lamp is o
ff
)
à
C
heck the electrical connection cables
F
ailure reasons
F
ault recti
fi
cation
24
hour service hotline
M
alfunction
50
VEGATOR
632
•
S
ignal conditioning instrument
12
M
aintenance and fault recti
fi
cation
35243
-
EN
-
120228
