Unitec POS4000/V2-Wash Select II - Manual (Page 31)

P O S 4 0 0 0
Document Number: POS4007 5
Document Title: POS4000/V2 WSII Operations Manual
Pin 3 – Black Pin 3 – Black
Shield – Not
connected Shield, strap to base
mounting bolt in case.
4. If the POS4000 is connected and both units are powered, the receive light on the 485
communications module should be blinking every couple of seconds. If the light is not
blinking, you may have a failed connection or a failed POS4000. A failed
communications module is also possible.
5. Enter the POS4000 Link sub menu (refer to the WSII Operating Manual) and enable the
interface.
6. Set the bay address per the instructions in the WSII Operating Manual.
7. Set the unit to Operate mode. You should see both the receive light and the transmit
light on the Wash Select II
™ 485 communications module begin to blink within 10
seconds. They should blink one after the other with a pause of less than a second
between blinking. If you have more than one bay then the receive light should be on
longer than the transmit light.
8. Set the unit back into setup mode and continue configuring the other settings.