Witt Sensoric LIGI-10 FLEX Series, Original Operating Instructions

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Error mode
No supply voltage Check supply voltage
Receiver polarity
reversed
Yellow LED flashes 3x,
long pause
Check receiver
operating voltage
Short at output
Red LED flashes 2x,
long pause
Check output cable,
overload, wrongly con-
nected, cable defective,
output on light curtain
defective
Error in sync cable
Yellow LED flashes 3x,
long pause
Check sync cable
(white), may only be
connected between
transmitter and receiver
Internal device error All LEDs flashing
Light curtain must be
replaced
Error mode
Legend
LED lit
LED flashing
LED off
green
yellow red
Transmitter
Transmitter
Receiver
Receiver