8
M
aintenance and fault recti
fi
cation
8
.
1
M
aintain
W
hen used in the correct way
,
no special maintenance is required in
normal operation
.
I
n some applications
,
product buildup on the sensor diaphragm can
in
fl
uence the measuring result
.
D
epending on the sensor and
application
,
take precautions to ensure that heavy buildup
,
and
especially a hardening thereof
,
is avoided
.
I
f necessary
,
clean the transmitter
.
M
ake sure that the materials are
resistant against the cleanig
,
see resistance list under
"
S
ervices
"
on
"
www
.
vega
.
com
"
.
T
he application variety of
VEGABAR
65
requires
special cleaning instructions for each application
.
P
lease ask the
VEGA
agency serving you
.
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
in this way and faults can be 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
.
?
W
hen an additional instrument is connected
,
the segment fails
.
l
M
ax
.
supply current of the segment coupler exceeded
à
M
easure the current consumption
,
reduce size of segment
M
aintenance
C
leaning
R
eaction when malfunc
-
tions occur
C
auses of malfunction
F
ault recti
fi
cation
24
hour service hotline
C
hecking
P
ro
fi
bus
PA
46
VEGABAR
65
•
P
ro
fi
bus
PA
8
M
aintenance and fault recti
fi
cation
28253
-
EN
-
081209