status is indicated by several LED’s. All LED’s with the exception of the Ethernet Link and Activity LEDs are multi-colored and context sensitive. The following sections indicate the various meanings of all LED indicators.

If you need help finding where LED Items are located on the

Communications

Indicator Item LED State Description
Ethernet Left Link & Ethernet Right Link & OFF No connection established
Solid Green Connection is established
Blinking Green When data transmission activity is occurring

Motors

Indicator Item LED State Description
Motor Left & Motor Right & OFF Motor is not running and no faults detected
Solid Green Motor is running
Solid Red If Motor is running – indicates current limit
If Motor is stopped – indicates motor is not connected properly or is overheated
Power supply is under 18V or above 30V
Blinking Red Motor is overloaded and the module is limiting current to reduce temperature
Flashing Red Motor short circuit detected between at least two of the phase windings or Motor Power supply is less than 10V
Solid Amber Module is booting up
Slow Blinking Red Profinet enabled discover function initiated from PLC

Network & Module Status

Indicator Item LED State Description
Module Status Blinking Red Module is starting task processes
Blinking Green Module is ready
Flashing Green & Blinking Red Module is in Failsafe Mode
Flashing Red Auto-Configuration is in progress
Blinking Amber Connection to peer lost or performing firmware upgrade check
Solid Amber Firmware upgrade in progress

Sensors

Indicator Item LED State Description
Sensors Left & Right & Solid Green Sensor Input is energized
Solid Amber Module is booting up
Flashing Green When in ZPA Mode and when Sensor is blocked – indicates external device (PLC/PC controller or EasyRoll) has accumulated the zone and inhibiting release
Solid Red Aux I/O Pin 2 is energized (when configured as an Input)
Blinking Red Arrival Jam or missing sensor
Blinking Green/Amber Sensor Jam
Flashing Red network Stop condition
Flashing Amber Power supply is less than 10V
Slow Blinking Red Profinet enabled discover function initiated from PLC

Power

Indicator Item LED State Description
Power Solid Blue Power supply for both Logic and Motors are connected
Blinking Blue Motor power supply is less than 18V

Special Cases

Indicator Item LED State Description
All Sensor & Motor &
&
Flashing Red Module in stopped state
Left Sensor & Left Motor & Flashing Green ZPA zone on Left side of module is in Maintenance Mode*
Right Sensor & Right Motor & Flashing Green ZPA zone on Right side of module is in Maintenance Mode*