KROHNE OPTISWITCH 3000C 2wire EN - Manual (Page 21)

l Wrong mode selected
à
Set the mode switch on OPTISWITCH 3000 C to
"max". Set the correct mode on the signal conditioning
instrument (A: overfill protection; B: dry run protection).
?
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 two-wire output 21
Maintenance and fault rectification
30061
-EN
-060830