E
xchange signal conditioning instrument or return it for
repair
3
S
hould the failure lamp extinguish
,
you can connect the
sensor again
.
S
eparate the signal conditioning instrument
from the connection cable and connect a resistor of
1
k
O
hm to the sensor input
4
I
f the failure lamp continues to light
,
the connection cable is
probably interrupted
C
heck the connection cable to the sensor
5
S
hould the failure lamp extinguish
,
the sensor will be
defective
E
xchange sensor or return it for repair
?
T
he red failure
LED
of the signal conditioning instrument
lights
l
C
urrent value
>
22
m
A
à
M
easure the current value on the signal cable to the
sensor
1
C
heck all connections and connection cables to the sensor
2
I
f the red failure lamp continues to light
,
separate the
sensor from the connection cable and connect a resistor of
1
k
O
hm instead on the signal conditioning instrument
I
f the failure lamp extinguishes
,
the sensor is defective
.
C
heck the connected sensor
3
I
f the failure lamp continues to light
,
connect the sensor
again
.
S
eparate signal conditioning instrument from the
connection cable and connect a resistor of
1
k
O
hm to the
sensor input
.
4
I
f the failure lamp extinguishes
,
this is probably due to a
shortcircuit in the connection cable
C
heck the connection cable to the sensor
5
I
f the failure lamp continues to light
,
the signal conditioning
instrument is defective
E
xchange signal conditioning instrument or return it for
repair
22
SU
501
E
x
-
S
ignal conditioning instrument
M
aintenance and fault recti
fi
cation
27953
-
EN
-
050616
