9
M
aintenance and fault recti
fi
cation
9
.
1
M
aintenance
W
hen used as directed in normal operation
,
VEGAMET
624
is
completely maintenance free
.
9
.
2
R
ectify malfunctions
T
he operator of the system is responsible for taking suitable measures
to rectify malfunctions
.
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
P
ower supply
l
I
nterference on the cables
T
he
fi
rst measures to be taken are to check the input and output signal
as well as to evaluate the error messages via the display
.
T
he
procedure is described below
.
F
urther comprehensive diagnostics can
be carried out on a
PC
with
PACT
ware and the suitable
DTM
.
I
n many
cases
,
the causes can be determined in 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
.
T
he signal conditioning instrument and the connected sensors are
permanently monitored during operation and the values entered during
parameter adjustment are checked for plausibility
.
I
f irregularities
occur or in case of incorrect parameter adjustment
,
a fault signal is
triggered
.
I
n case of an instrument defect or line break
/
shortcircuit
,
a
fault signal is also triggered
.
T
he fail safe relay deenergises in case of failure
,
the failure indication
lights and the current outputs react according to their con
fi
gured
control behaviour
.
I
n addition
,
one of the following fault messages is
outputted on the display
.
?
E
003
l
CRC
error
(
error with self
-
check
)
à
C
arry out a reset
R
eaction when malfunc
-
tions occur
C
auses of malfunction
F
ault recti
fi
cation
24
hour service hotline
F
ault message
VEGAMET
624
•
4
…
20
m
A
/
HART
signal conditioning instrument
43
9
M
aintenance and fault recti
fi
cation
28969
-
EN
-
091116