Hauser
19
Fault
Reason
Remedy
Does not switch
No power (green LED does not light up)
Check power
Dielectric
r of material too low
Change switch settings on electronic insert
Poor ground connection
Check ground connection to silo or metal parts
Probe touches outlet cone
Select another mounting point
Too much build-up on probe tip
Change switch settings on electronic insert or
clean probe
Probe pulled down => red LED flashes
Replace FTC260; select another mounting
point
Electronics in probe or housing are
defective => red LED flashes
Replace FTC260
AC version: Contacts melted together
(after short-circuiting)
Replace FTC260; connect a fuse into contactor
circuit
Switches
incorrectly
MIN-/MAX fail- safe mode set wrongly
Set correct mode at electronic insert
Sporadic faulty
switching
DC version: Output overloaded
Reduce load, (cable) capacitance
Filling curtain sometimes touches probe
Redirect curtain or select another mounting
point
Probe touches material building on vessel
wall
Clear vessel wall of building-up or select
another mounting point
Water in housing
Screw cover and cable gland tight
en - Trouble-shooting
