Service Manual

23
b) Ice Dispense
1. Push Button Model
CB K7 connector pins #2 (Y) and #3 (W/BK) or (BR): 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, conrm 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 the ice 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.
5VDC CB K7 Connector
Component Pin # (Wire Color) To CB VDC Ground Disengaged Engaged
Portion Position Signal #5 (DBU) or (R)
To
CB K4 pin #1 (pin
closest to CB black
K3)
0VDC 5VDC
5VDC Power Supply #3 (W/BK) or (BR) 5VDC 5VDC
Continuous Position Signal #2 (Y) 0VDC 5VDC
Fig. 5
Red Test Lead
Black Test Lead
Multimeter
5VDC
Control Board K7 Connector
Ice Dispense Signal
#5 (DBU) or (R)
Ice Dispense Output
#3 (BR) or (W/BK)
Ice Dispense Signal
#2 (Y)
Red test lead to
CB K4 pin #1
(pin closest to CB
black K3)