8
8 Operating and display elements
1: LED PWR / FLT
2: LED IN
1: LED PWR / FLT
2: LED IN
Green LED PWR / FLT lights:
everything ok
Red LED PWR / FLT lights:
short circuit on one or several sensor supplies
LED PWR / FLT off:
undervoltage or disconnected system
Yellow LED IN input lights:
input provides a type 2 HIGH signal
Yellow LED IN input off:
input provides a type 2 LOW signal