Whirlpool Kitchen Aid KAR-19 Service Manual Page 59
- Page / 76
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
5-5
Electrical Shock Hazard
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so can result in death or electrical shock.
MAIN CONTROL BOARD
INPUTS
P4
THERMISTORS
P3
DISPLAY BOARD
P2
120 VAC SUPPLY
P5
P7
OUTPUTS
P6
OUTPUTS
1
1
2123
123
4
34
5678
2345
1
2
345
1
2
345
109876
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.
PLUG PIN # DESCRIPTION
OUTPUT
CONDITION
1 Communication Line N / A
2 Display Voltage 12 VDC
Measured at pins 2 & 3
3 GND GND
1 Ref. Thermistor GND
2 Frz. Thermistor GND
3 Ref. Thermistor Output 5 VDC
Measured at pins 1 & 3
4 Frz. Thermistor Output 5 VDC Measured at pins 2 & 4
1 Ref. Door Sw Enable 120 VAC
2 Frz. Door Sw Enable 120 VAC
3 N/A
4 Ref. Door Input 120 VAC
Voltage present when door
is o
p
en
5 Ice Maker Valve Input 120 VAC
Voltage present when ice
maker is ener
g
ized
6 Dispenser Valve Input 120 VAC
Voltage present when
dis
p
enser valve is ener
g
ized
7 Bimetal Input 120 VAC
Voltage present when
bimetal is closed
8 Frz. Door Input 120 VAC
1 AC GND AC GND
2 AC L1 120 VAC
3 AC Neutral AC Neutral
4 AC Neutral AC Neutral
5 AC L1 120 VAC
1 Condenser Fan 120 VAC
Voltage present when
condenser fan is on
2 N/A
3 N/A
4 Defrost Heater 120 VAC
Voltage present when
defrost heater is on
5 Ice Maker Enable 120 VAC
Voltage present when I/M
bail arm is down & I/M is
active
1 Air Door
2 Air Door
3 Compressor Drive 3 - 6 VDC
Measured at pins 3 & 8
4 Evap. Fan Feedback N / A
5 Evap. Fan Constant 12 VDC Measured at pins 5 & 9
6 Air Door
7 Air Door
8 Compressor Drive 3 - 6 VDC
Measured at pins 3 & 8
9 Evap. Fan Ground Evap. GND
10 Evap. Fan Run Voltage 5 - 12 VDC Measured at pins 9 & 10
P6
P7
P2
P3
P4
P5
- JOB AID 4317326A 1
- GOALS AND OBJECTIVES 2
- TABLE OF CONTENTS 3
- SAFETY FIRST 5
- ELECTROSTATIC DISCHARGE 6
- (ESD) SENSITIVE ELECTRONICS 6
- ANTI-TIP 6
- REQUIREMENTS 6
- MODEL NUMBER 7
- SERIAL NUMBER 7
- AND TECH SHEET LOCATIONS 8
- SPECIFICATIONS 9
- KITCHENAID 12
- INSTALLATION INFORMATION 13
- 1. Stud location 14
- WATER SUPPLY REQUIREMENTS 15
- ANTI-TIP BOARDS 15
- LOWERING THE LEVELING LEGS 16
- LEVELING THE REFRIGERATOR 16
- ADJUSTING THE DOORS 16
- 1. Mounting screws 17
- 1. Locking plate 17
- 2. Door stop screw 17
- 3. Bushing 17
- THEORY OF OPERATION 19
- TEMPERATURE CONTROL 20
- ADAPTIVE DEFROST 22
- PULSED DEFROST 22
- POWER INTERRUPTION 22
- FAILURE DEFAULTS 22
- OVER-TEMPERATURE ALARM 24
- CALL SERVICE ALARM 24
- DOOR OPEN ALARM 24
- SALES DEMONSTRATION MODE 24
- AIR CIRCULATION 25
- SEALED SYSTEM SCHEMATIC 26
- COMPONENT ACCESS 27
- Main Decorative Panel 28
- Louvered Decorative Panel 28
- Air Diverter & 2 Screws 28
- THE INVERTER ASSEMBLY, AND 30
- Wire Connectors 33
- Screws At Rear Of Enclosure 33
- Press Locking Tab 33
- On Standoff 33
- & THE MOTORIZED AIR DOOR 40
- Motorized Air Door Cover 41
- Wire Connector 41
- REMOVING THE ICE MAKER AND 42
- REMOVING A THERMISTOR 44
- REMOVING A LIGHT SOCKET 45
- REMOVING THE WATER RESERVOIR 46
- REMOVING THE WATER VALVE 48
- Drip Tray 49
- Bottom Channel 49
- Top Channel 49
- Wood Block 49
- REMOVING A DOOR GASKET 51
- Base Grille 52
- Leveling Screws 52
- Rear Front 52
- COMPONENT TESTING 55
- CONDENSER FAN MOTOR 56
- EVAPORATOR FAN MOTOR 56
- Inverter 57
- MOTORIZED AIR DOOR 58
- DEFROST HEATER & BIMETAL 58
- MAIN CONTROL BOARD 59
- CRUSH/CUBE SOLENOID 60
- ICE MAKER AUGER MOTOR 60
- DOOR SWITCH 61
- WATER VALVE SOLENOID 61
- — NOTES — 62
- DIAGNOSIS 63
- WATER FILTER INPUT (WFI) TEST 64
- DIAGNOSTICS CHART 64
- TROUBLESHOOTING CHART 65
- WIRING DIAGRAM—BOTTOM MOUNT 67
- OPTIONAL 68
- DISPENSER 68
- MODELS ONLY 68
- STRIP CIRCUITS 69
- DEFROST CYCLE 70
- REFRIGERATOR LIGHT 71
- FREEZER LIGHT 71
- PRODUCT SPECIFICATIONS 75
- WARRANTY INFORMATION SOURCES 75
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