l
W
rong mode selected
à
S
et the correct mode on the mode switch
(
max
.:
over
fl
ow
protection
,
min
.:
dry run protection
).
W
iring should be carried
out according to the quiescent current principle
.
?
S
ignal lamp
fl
ashes red
l
E
lectronics module has detected a failure
à
E
xchange instrument or return instrument for repair
D
epending on the failure reason and measures taken
,
the steps
described in chapter
"
S
et up
"
must be carried out again
,
if necessary
.
7
.
3
E
xchanging the electronics module
I
n general
,
all electronics modules of series
WE
60
can be inter
-
changed
.
I
f you want to use an electronics module with a di
ff
erent
signal output
,
you can download the corresponding operating
instructions manual from our homepage under
D
ownloads
.
W
ith
EE
x d instruments
,
the housing cover may only be opened if there
is no explosive atmosphere present
.
P
roceed as follows
:
1
S
witch o
ff
power supply
2
U
nscrew the housing cover
3
L
ift the opening levers of the terminals with a screwdriver
4
P
ull the connection cables out of the terminals
5
L
oosen the two screws with a screw driver
(
T
orx size
T
10
or slot
4
)
2
1
F
ig
.
25
:
L
oosening the holding screws
1
E
lectronics module
2
S
crews
(
2
pcs
.)
6
P
ull out the old electronics module
R
eaction after fault rec
-
ti
fi
cation
22
LBV
310
• -
R
elay
(
DPDT
)
7
M
aintenance and fault recti
fi
cation
35919
-
EN
-
091126
