Kenmore 111.72695120 Service Manual page 21

6. Wiring Diagram
Dispenser/ DV/ Icemaker Heater Operation
1. The "DISPNS HTR" is always on and located in the dispenser box.
2. The "DV HTR" is always on and located in the mullion bar.
3. The "R ICE AL PIPE HTR" cycles repeatedly, Under 21℉(-6℃) on and 25 ℉ (-4℃) off.
It is located within the icemaker. It helps to remove residual ice from the ice case.
CN 9 of PCB Main (Switch)
Item
R DOOR S/W L
ICE LEVER S/W
F DOOR S/W
R DOOR S/W R
IoT BIN DOOR S/W
PANTRY DOOR S/W
CN 10 of PCB Main (Ice Maker)
Item
W/TUBE HTR
Icemaker Step Motor
Icemaker Power
Icemaker Led
Icemaker Temp. Sensor
Icemaker Test Switch
Start Position Check Sensor
Ice Bucket Full Check Sensor
CN 13 of PCB Main (Compressor Inverter)
Item Pin No
Comp Watt Input 2, 1
Comp RPM 3, 1
To avoid risk of electrical shock that can cause death or severe personal injury,
WARNING
!
disconnect unit from power before servicing unless tests require power.
Pin No Open(On)
12,11 5
10,9 0
8,7 5
6,5 5
3,4 5
2,1 5
On
Pin No
(+, -)
Voltage(V)
2, 1 12
5, 4
2.5
6, 4
7, 4 5
2, 8 12
11, 10 -
12, 9 0
13, 9 0(Flat status)
14, 9 5(Full status)
On
Voltage(V) frequency(Hz)
2.5 15~250
3.3 50~125
Close(Off) Remarks
0
5
0
0
0
0
Off
(Hz) Voltage(V) (Hz)
-
5
0
-
-
5
5
0
Off
Voltage(V) frequency(Hz)
5 -
6.5 -
Remarks
(See section 8)
Square wave pulse when on
With IM on and FF door open
Sensor Table
On = pressed
0 = not full
Remarks
Frequency(Compressor Power Consumption)
Feedback to the main PCB
Frequency (Compressor RPM)
Control Signal to the Inverter PCB
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