Main Control Board - KitchenAid KSSC36FKB00 Technical Education

Disconnect power before servicing.
Replace all panels before operating.
Failure to do so can result in death or electrical shock.

MAIN CONTROL BOARD

Refer to page 4-4 for the procedure for servicing the main control board.
NOTE: See the chart for the main control board test specifications.
INPUTS
120 VAC SUPPLY
P4
P5
1 2 3 4
2 3 4 5
1
5 6 7 8
1
5 4 3 2
P6
OUTPUTS
Electrical Shock Hazard
THERMISTORS
DISPLAY BOARD
P3
P2
1 2
1 2 3
3 4
10 9 8 7 6
1
5 4 3 2
P7
OUTPUTS
PLUG PIN # DESCRIPTION
1 Communication Line
P2 2 Display Voltage
3 GND
1 Ref. Thermistor
2 Frz. Thermistor
P3
3 Ref. Thermistor Output
4 Frz. Thermistor Output
1 Ref. Door Sw Enable
2 Frz. Door Sw Enable
3
4 Ref. Door Input
5 Ice Maker Valve Input
P 4
6 Dispenser Valve Input
7 Bimetal Input
8 Frz. Door Input
1 AC GND
2 AC L1
P5 3 AC Neutral
4 AC Neutral
5 AC L1
1 Condenser Fan
2
3
P6
4 Defrost Heater
5 Ice Maker Enable
1 Air Door
2 Air Door
3 Compressor Drive
4 Evap. Fan Feedback
5 Evap. Fan Constant
P7
6 Air Door
7 Air Door
8 Compressor Drive
9 Evap. Fan Ground
10 Evap. Fan Run Voltage
5-5
OUTPUT
CONDITION
N / A
12 VDC
Measured at pins 2 & 3
GND
GND
GND
5 VDC
Measured at pins 1 & 3
5 VDC Measured at pins 2 & 4
120 VAC
120 VAC
N / A
Voltage present when door
120 VAC
is open
Voltage present when ice
120 VAC
maker is energized
Voltage present when
120 VAC
dispenser valve is energized
Voltage present when
120 VAC
bimetal is closed
120 VAC
AC GND
120 VAC
AC Neutral
AC Neutral
120 VAC
Voltage present when
120 VAC
condenser fan is on
N / A
N / A
Voltage present when
120 VAC
defrost heater is on
Voltage present when I/M
120 VAC
bail arm is down & I/M is
active
3 - 6 VDC
Measured at pins 3 & 8
N / A
12 VDC Measured at pins 5 & 9
3 - 6 VDC
Measured at pins 3 & 8
Evap. GND
5 - 12 VDC Measured at pins 9 & 10