Input/Output Circuit Board Connector Number Identification - Bunn Fast Cup Series Service & Repair Manual

I/O CIRCUIT BOARD CONNECTOR NUMBER IDENTIFICATION
J4: Drip tray and grounds bin
switch.
J8: Chiller assembly solenoid valves.
J9: Door blue LED's.
J11: 24VDC Input.
J13: Flow meter and water pump.
J15: Touchscreen assembly.
J16: Brew motor, swiper sensor and
proximity sensor.
J17: Touchcreen power input.
J18: Coffee bean detection sensors.
J19: Cabinet Fans.
J20: All solenoid valves.
J21: Communication.
J23: Rear cabinet fan
J29: Brew and water pressure sen-
sors.
J31: BUNNLink wireless board.
J8
J17
J16
J23
J29
J20
109
J9
J31
J15
J21
J4
J11
J19
J18
J13