KROHNE OPTISWITCH 3000C Contactless EN - Manual (Page 21)

l Wrong mode selected
à
Set the correct mode on the mode switch (max.: overfill
protection; min.: dry run protection). Wiring should be
carried out according to the quiescent current principle.
?
Signal lamp flashes red
l Electronics has detected a failure
à
Exchange instrument or return instrument for repair
7.3 Exchange the electronics
In general, all oscillators of series VB60 can be interchanged. If
you want to use an oscillator with a different signal output, you
can download the corresponding operating instructions man-
ual from our homepage under Downloads.
Proceed as follows:
1 Switch off power supply
2 Unscrew the housing cover
3 Lift the opening levers of the terminals with a screwdriver
4 Pull the connection cables out of the terminals
5 Loosen the two screws with a Phillips screwdriver (size 1)
2
1
Fig. 11: Loosen the screws
1 Electronics module
2 Screws (2 pcs.)
6 Remove the old oscillator
7 Compare the new oscillator with the old one. The type label
of the oscillator must correspond to that of the old
oscillator.
OPTISWITCH 3000 C - with contactless electronic switch 21
Maintenance and fault rectification
30058
-EN
-060830