Main Control Board - KitchenAid KSBP25FKSS00 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 4-18 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
2 3 4 5
1
5 6 7 8
1
5 4 3 2
P6
THERMISTORS
DISPLAY BOARD
P3
4 P2
1 2
1 2 3
3 4
10 9 8 7 6
5 4 3 2 1
P7
OUTPUTS
Electrical Shock Hazard
PLUG PIN # DESCRIPTION
1 Communication Line
P2 2 Display Voltage
3
1 Ref. Thermistor
2 Frz. Thermistor
P3
3 Ref. Thermistor Output
4 Frz. Thermistor Output
1
2
3
4 Ref. Door Input
5 Ice Maker Valve Input
P 4
6 Dispenser Valve Input
7 Bimetal Input
8
1
2
P5 3 AC Neutral
4 AC Neutral
5
1 Condenser Fan
2
P6 3
4 Defrost Heater
5
1
2
3 Compressor Drive
4 Evap. Fan Feedback
5 Evap. Fan Constant
P7
6
7
8 Compressor Drive
9 Evap. Fan Ground
10 Evap. Fan Run Voltage
5-5
OUTPUT
N / A
12 VDC
Measured at pins 2 & 3
GND GND
GND
GND
5 VDC
Measured at pins 1 & 3
5 VDC Measured at pins 2 & 4
N / A
N / A
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
N / A
AC GND AC GND
AC L1 120 VAC
AC Neutral
AC Neutral
AC L1 120 VAC
Voltage present when
120 VAC
condenser fan is on
N / A
N / A
Voltage present when
120 VAC
defrost heater is on
N / A
Air Door
Air Door
3 - 6 VDC
Measured at pins 3 & 8
N / A
12 VDC
Measured at pins 5 & 9
Air Door
Air Door
3 - 6 VDC
Measured at pins 3 & 8
Evap. GND
5 - 12 VDC Measured at pins 9 & 10
CONDITION