Pepperl+Fuchs LCL2 Betriebsanleitung Seite 24

e Trouble-shooting
24
Fault Reason
Does not switch No power (green LED does not
light up)
Dielectric
Poor ground connection
Probe touches vessel wall
Probe touches outlet cone
Too much build-up on probe tip
Probe pulled down (red LED
flashes)
Electronics in probe or housing are
defective (red LED flashes)
AC version: Contacts melted
together (after short-circuiting)
Switches incorrectly Minimum- / Maximum- fail-safe
mode set wrongly
Sporadic faulty switching
DC version: Output overloaded
Probe oscillates
Filling curtain sometimes touches
probe
Probe touches material building on
vessel wall
Water in housing
Remedy
Check power
e
of material too low Change switch settings on
r
electronic insert
Check ground connection to silo or
metal parts
Straighten rope
Shorten rope (see „Accessories")
or select another mounting point
Change switch settings on
electronic insert or clean probe
Replace LCL2; select another
mounting point
Replace LCL2
Replace LCL2; connect a fuse into
contactor circuit
Set correct mode at electronic
insert
Reduce load, (cable) capacitance
Tension probe
Redirect curtain or select another
mounting point
Clear vessel wall of building-up or
select another mounting point
Screw cover and cable gland tight