Hoshizaki dcm-75ibah service manual Portion Signal #5 R Red K4 pin closest

• Ice Dispense Switch/Ice Dispense Sensor:

h. Push Button Model–"ICE" and "AM" LEDs are on: Before engaging the ice dispense switch, check for the correct VDC from the locations given in the "Disengaged" column in the table below. If the VDC is different than in the table, replace CB. If the VDC is correct, engage the ice dispense switch. "ICE" LED turns on. If not, confirm position of dispense mode switch and that the portion and continuous VDC matches the "Engaged" column in the table below. If not, check the ice dispense switch continuity when engaged (closed) and the dispense mode switch continuity. If dispense switch is open when engaged, replace. If dispense mode switch is open, replace. If the VDC matches the "Engaged" column below and the "ICE" LED does not turn on, replace CB.

Note: "AM" LED turns on .6 sec. for every 12 sec. of cumulative dispense time.

5VDC CB K7 Connector

Component	Pin # (Wire Color)	To	CB VDC Ground	Disengaged	Engaged
Portion Signal	#5 (R)		Red K4 pin closest	0VDC	5VDC
5VDC Power Supply	#3 (BR)	To		5VDC	5VDC
			to black K3
Continuous Signal	#2 (Y)			0VDC	5VDC

Red positive test lead to red K4 connector pin closest

to black K3 connector

Red Positive Test Lead

Multimeter

5VDC

Black Negative

Test Lead

Control Board K7 Connector

Ice Dispense (Y)

Ice Dispense (R)(continuous signal) (portion signal)

Ice Dispense (BR) (5VDC power supply)

Fig. 5

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