For Service Technician Use Only
COMPONENT TESTING
3-4
n
Multi-Door Freestanding Refrigerator
CONNECTOR FROM TO VOLTAGE CONDITIONS
POWER
P1
P1-1 P1-2 115 VAC CONSTANT 115 VAC
P1-3 P1-4 CONSTANT 115 VAC
P2
P2-1 P2-5 CONSTANT
12.7 VDC
CONSTANT 12.7 VDC
P2-2 P2-6 CONSTANT 12.7 VDC
P2-3 P2-7 CONSTANT 12.7 VDC
P2-4 P2-8
MAIN CONTROL
P1
P1-1 P1-2 115 VAC CONSTANT 115 VAC
P1-2 P1-4 CONDENSER FAN SERVICE TEST 4. 115 VAC IF CONDENSER FAN ON
P2
P2-1 P1-2 115 VAC RC DOOE OPEN 115 V. DOOR CLOSED = 0 V
P2-2 P1-2 AIR BAFFLE FEEDBACK. ACTIVATE SERVICE TEST 3, STEP 3.
P2-3 P1-2 FC DOOR OR LEFT PANTRY DOOR OR RIGHT PANTRY DOOR OR
RIGHT RC DOOR OPEN 115 V, DOORS CLOSED 0 V
P2-4 P1-1 WATER FILTER REMOVED 115 V, FILTER INSTALLED 0 V
P2-5 P1-2 AIR BAFFLE OUTPUT. ACTIVATE SERVICE TEST 3, STEP 3
P2-6 P1-2 HORIZONTAL MULLION HEATER, VERTICAL MULLION HEATER
OUTPUT
01 = 115 V, 02 = 0 V
P2-7 P1-2 FC DEFROST HEATER OUTPUT, THERMO FUSE. SERVICE TEST 6. 115
V
P3
P3-3 P1-2 ICE MAKER WATER VALVE. SERVICE TEST 25. DIGIT 1 = 1 = 115 V
P3-4 P1-2 WATER DISPENSING VALVE. SERVICE TEST 25. DIGIT 2 = 1 = 115 V
P3-5 P1-1 LEFT RC DOOR MUST BE CLOSED = 115 V. OPEN = 0 V
P3-6 P1-2 PANTRY HEATER OUTPUT, SERVICE TEST 73 19, 01 = 115 V, 02 = 0 V
P3-7 P3-8 130 VDC AUGER OUTPUT. LH RC DOOR CLOSED, ACTIVATE ICE PADDLE =
130 - 140 VDC
P4 P4-3 COMMUNICATION
P5
P5-1 P5-2 5 VDC RC THERMISTOR OUTPUT = 1.5 - 5 VDC. MAXIMUM
P5-3 P5-4 FC THERMISTOR OUTPUT = 1.5 - 5 VDC. MAXIMUM
P6 P6-1 P6-2 12.7 VDC CONSTANT 12.7 VDC
P7
P7-1 P7-2 5 VDC IM THERMISTOR OUTPUT = 1.5 - 5 VDC. MAXIMUM
P7-3 P7-4 12.7 VDC IM SWITCH
P7-5 P7-6 12.7 VDC IM MOTOR OUTPUT TEST 57, SW3 TO ACTIVATE. UP TO 2 MIN.
DELAY
P8
P8-1 P8-2 5 VDC FC DEFROST THERMISTOR OUTPUT= 1.5 - 5 VDC MAXIMUM
P8-5 ICE BOX FAN PWM CONNECTION
P8-3 P8-4 5 VDC RC EVAP THERMISTOR OUTPUT = 1.5 - 5 VDC MAXIMUM
P8-7 P8-8 3-6 VDC INVERTER OUTPUT 3-6 VDC CONSTANT WHEN COMPRESSOR IS
RUNNING
P9 P9-2 P9-3 12 VDC ICE BOX FASCIA HEATER OUTPUT
P12 P12-6 P1-2 IM HEATER OUTPUT TEST 58. WHEN DIGIT 1 = 1 HEATER ON (115 V)
P13
P13-1 P13-2 3 WAY REFRIGERANT VALVE, CAN NOT CHECK VOLTAGE OUTPUT
P13-3 P13-4 3 WAY REFRIGERANT VALVE, CAN NOT CHECK VOLTAGE OUTPUT
P13-5 5 VDC ICE BOX SENSOR
P14
P14-1 P14-2 14 VDC FC FAN MOTOR. OUTPUT ACTIVE SERVICE TEST 3, STEP 2
P14-3 P14-4 RC FAN MOTOR. OUTPUT ACTIVE SERVICE TEST 3, STEP 3
P14-7 P14-6 CONSTANT 14 VDC
CONNECTOR FROM TO VOLTAGE CONDITIONS
EMITTER/RECEIVER
J1
J1-1 J1-3 14 VDC CONSTANT 14 VDC
J1-2 COMMUNICATION
J1-5
REFER TO
SERVICE
TEST
15 FOR
VERIFYING
THE
EMITTER/
RECEIVER
BOARDS
PANTRY UI
J1A
J1A-4 J1A-1 14 VDC CONSTANT 14 VDC
J1A-2 COMMUNICATION
J3A
J3-2 J3-4 5 VDC PANTRY THERMISTOR OUTPUT = 1.5 - 5 VDC MAXIMUM
DISPENSER BOARD
J1
J1-1 J1-2 14 VDC * 0 VDC WHEN ICE DISPENSER PAD IS PRESSED, 14 VDC WHEN
RELEASED
J1-1 J1-3 * ICE DISPENSER BUTTON IS PRESSED, (IF J1-3 USED)
J1-2 J1-3 * ICE DISPENSER PAD IS PRESSED, (IF J1-3 USED)
J2
J2-1 J2-8 14 VDC FLIPPER MULLION HEATER IN ON
J2-4 J2-6 14 VDC CONSTANT 14 VDC
J2-7 J2-11 14 VDC * ICE DOOR STEPPER MOTOR IS ACTIVE
J2-7 J2-12 * ICE DOOR STEPPER MOTOR IS ACTIVE
J2-7 J2-13 * ICE DOOR STEPPER MOTOR IS ACTIVE
J2-7 J2-14 * ICE DOOR STEPPER MOTOR IS ACTIVE
J3
J3-1 J3-2 14 VDC * 0 VDC WHEN ICE DISPENSER PAD IS PRESSED, 14 VDC WHEN
RELEASED
J3-1 J3-3 * WATER DISPENSER BUTTON IS PRESSED (IF J3-3 USED)
J3-2 J3-3 * WATER DISPENSER PAD IS PRESSED (IF J3-3 USED)
J5
J5-1 J5-3 14 VDC CONSTANT 14 VDC
J5-2 COMMUNICATION
J6 J6-1 J6-3 14 VDC DISPENSER LIGHT ON
AURORA
P1
P1-1 P1-4 CONSTANT 12.7 VDC
P1-3 COMMUNICATION
P2
P2-1 P2-2 SHELF LIGHTING OUTPUT
P2-3 P2-4 FILL TUBE HEATER FREEZER FC IM, FILL TUBE HEATER RC IM OUTPUT
P3
P3-1 P3-2 CAVITY LIGHT (POINT LED'S) OUTPUT
P3-3 P3-4 CAVITY LIGHT (POINT LED'S) OUTPUT
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