Service manual

40 800170

Section 3 Troubleshooting (EDC Models – Washer Control)

16. START UP SEQUENCE

a. Insert money and/or card and push the button next to the flashing light.

b. Both door closed switches need to be in the closed position, after vend price has been satisfied.

c. The door lock actuator is energized from “H5-1” terminal on electronic control board.

d. The door lock switch is closed.

e. The “K4” relay is closed on electronic control board.

f. The control transformer is energized.

g. Communications begin between electronic and motor control boards through the SPI lines to the

optoisolators on electronic control.

h. The mixing valve is energized and washer begins to fill.

i. The main drive motor is powered to start inner basket rotating.