Troubleshooting - Endress+Hauser Nivotester FTR325 Instruction Manual

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 incorrectly Incorrect setting of change-
over switch for limit signal
Permanent alarm Interrupt or short-circuit line
signal to microwave barrier
Microwave barrier defective
Endress+Hauser
Maßnahme
Check power
Replace FTR325
Replace FTR325, 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 connections
Replace microwave barrier
and send it to the manufactor
for reconditioning
en Troubleshooting
25