Hoshizaki KM-40C-HC Service Manual page 35

2) Clear any ice away from the bin control.
3) If the bin control is calling for ice (proximity switch closed) for more than 90 seconds,
the display shows "run" and the fill cycle starts.
4) Activate the bin control actuator (press the actuator in) for more than 15 seconds
(proximity switch open). Check that the display shows "FUL" and the unit performs
the bin control and shuts down.
5) Disconnect the bin control leads from the CN5 connector (pins 1 & 6) on the control
board.
6) Check for continuity across the bin control leads. When calling for ice, the bin control
proximity switch should be closed. If open, replace the bin control. Activate the bin
control actuator (press the actuator in), check for continuity across the bin control
leads. The bin control proximity switch should be open. If closed, replace the bin
control.
7) Reconnect the 2-pin connector to the CN5 connector (pins 1 & 6) on the control
board. Allow the machine to cycle into the fill cycle.
8) Activate the bin control actuator (press the actuator in) for more than 15 seconds
(proximity switch open). Check that the display shows "FUL" and the unit performs
the bin control and shuts down.
9) If the unit does not perform the bin control, replace the control board.
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