VEGA VEGAVIB 66 - transistor output - Manual (Page 25)

à
Check if there is buildup on the vibrating element, and if
so, remove it.
l Unfavourable installation location
à
Mount the instrument at a location in the vessel where
no dead zones or mounds can form.
à
Check if the vibrating element is covered by buildup on
the socket.
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 acc. to the quiescent current principle.
?
Signal lamp flashes red
l Electronics has detected a failure
à
Exchange instrument or return it for repair
7.3 Exchange of 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.
With EEx d instruments, the housing cover must only be
opened if there is no explosive atmosphere.
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 screw driver (Torx size T10
or slot 4)
VEGAVIB 66 - with transistor output 25
Maintenance and fault rectification
29291
-EN
-060508