Endress+Hauser nivotester FTR 325 Handbuch Seite 28

e Troubleshooting
28
Fault Ursache
Does not switch No power or power
too low (green LED
does not light up)
Electronic defective
Contacts welded
together (after short-
circuit)
Microwave barrier
defective
Switches Incorrect setting of
incorrectly change-over switch
for limit signal
Permanent alarm Interrupt or short-cir-
signal cuit line to microwave
barrier
Microwave barrier
defective
Maßnahme
Check power
Replace FTR 325
Replace FTR 325,
connect a fuse into
contactor circuit
Replace microwave
barrier and send it to
the manufactor for
reconditioning
Correctly set change-
over switch behind
front panel
Check line and con-
nections
Replace microwave
barrier and send it to
the manufactor for
reconditioning
Endress+Hauser