8
M
aintenance and fault recti
fi
cation
8
.
1
M
aintenance
W
hen used correctly
,
no special maintenance is required in normal
operation
.
8
.
2
R
emove interferences
T
he operator of the system is responsible for taken suitable measures
to remove 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
S
ensor
l
P
rocess
l
P
ower supply
l
S
ignal processing
T
he
fi
rst measures to be taken are to check the output signals as well
as to evaluate the error messages via the indicating and adjustment
module
.
T
he procedure is described below
.
F
urther comprehensive
diagnostics can be carried out on a
PC
with the software
PACT
ware
and the suitable
DTM
.
I
n many cases
,
the causes can be determined
this way and faults recti
fi
ed
.
H
owever
,
should these measures not be successful
,
call the
VEGA
service hotline in urgent cases 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
.
C
onnect a handheld multimeter in the suitable measuring range
according to the wiring plan
.
?
4
…
20
m
A
signal not stable
l
L
evel
fl
uctuations
à
S
et damping via the indicating and adjustment module
?
4
…
20
m
A
signal missing
l
W
rong connection
à
C
heck connection according to chapter
"
C
onnection steps
"
and if necessary
,
correct according to chapter
"
W
iring plan
"
l
N
o power supply
à
C
heck cables for breaks
;
repair if necessary
R
eaction when malfunc
-
tions occur
C
auses of malfunction
R
emove interferences
24
hour service hotline
C
hecking the
4
…
20
m
A
signal
44
VEGAFLEX
62
•
4
…
20
m
A
/
HART
two
-
wire
8
M
aintenance and fault recti
fi
cation
31837
-
EN
-
090831
