l
S
ignal conditioning instrument defective
à
E
xchange
VEGATOR
632
l
P
robe mechanically damaged
à
E
xchange probe
l
C
onductivity of the product too low
à
C
heck if the conductivity value of your product is at least
7
.
5
µ
S
/
cm
l
W
elded contacts
-
for example after a shortcircuit
à
E
xchange
VEGATOR
632
.
I
f necessary
,
integrate a fuse into
the contact circuit
?
W
rong switching function of the signal conditioning instrument
.
l
W
rong setting of the change over switch for the level signal
à
S
et the change over switch for the level signal correctly
.
S
ee
chapter
"
A
djustment
"
.
12
.
3
F
unction test
F
or simulation of a fault signal you can remove the upper plug
connection from
VEGATOR
632
.
b
a
F
ig
.
139
:
F
unction test
T
he instruments signals a failure and the switching relays take on
deenergized
(
safe
)
condition
.
S
imulation of a fault sig
-
nal
VEGATOR
632
•
S
ignal conditioning instrument
51
12
M
aintenance and fault recti
fi
cation
35243
-
EN
-
120228
