Pepperl+Fuchs Vibracon LVL-M1 Bedienungsanleitung Seite 51

AC and DC-PNP versions with valve plug
Malfunction Cause
Green light does No voltage supply
not light up
Red light Overload or short-circuit
flashes in the load-current circuit
Internal sensor error or
sensor corroded
DC-PNP versions with M12 x 1 plug
Malfunction Cause
Red light Overload or short-circuit in
lights up the load-current circuit
(DC-PNP)
Green light does No voltage supply
not light up
Red light Internal sensor error or
flashes (2 Hz) sensor corroded
NAMUR
Malfunction Cause
Green light is not No voltage supply from
flashing switching amplifier
Red light Internal sensor error or
flashes (0.3 Hz) sensor corroded
Measure
Check plug, cable and
voltage supply
Rectify short-circuit
Reduce maximum load
current to under 350 mA
Replace device
Measure
Rectify short-circuit
Reduce maximum load
current to under 250 mA
Check plug, cable and
voltage supply
Replace device
Measure
Check plug, cable and
voltage supply
Replace device
Trouble-shooting
51