Manual

l Wrong mode selected
à Set the correct mode on the mode switch (max.: overll
protection; min.: dry run protection). Wiring should be
carried out according to the quiescent current principle.
? Signal lamp ashes red
l Electronics has detected a failure
à Exchange instrument or return instrument for repair
? The signal lamp ashes alternately red and green
l instrument defective
à Exchange instrument or return instrument for repair
7.3 Instrument repair
If a repair is necessary, please proceed as follows:
You can download a return form from our website
http://www.
krohne-mar.com/leadmin/media-lounge/PDF-Download/
Specimen_e.pdf.
By doing this you help us carry out the repair quickly and
without having to call back for needed information.
l Print and ll out one form per instrument
l Clean the instrument and pack it damage-proof
l Attach the completed form and possibly also a safety data
sheet to the instrument
24 OPTISWITCH 5200 C, 5250 C - with contactless electronic switch
Maintenance and fault rectication
30433-EN-060831