Sensor LEDs

Display

Position

LED status

Description

Sensors

[5] and [6]

Lights up yellow

Fieldbus controller starts.

Lights up green

Sensor input activated.

Lights up red

Sensor status signal

PLC mode: PIN2 function active

ZPA mode: Zone sensor dirty

Slowly flashing red

Zone congested or sensor missing.

Quickly flashing red

Network stop status