Jenn-Air JFX2897DRM Service Manual page 31

FROM TO VOLTAGE
P1-1 P1-2 CONSTANT 115 VAC
P1 115 VAC
P1-3 P1-4 CONSTANT 115 VAC
P2-1 P2-4 CONSTANT 14 VDC
P2 P2-2 P2-5 14 VDC CONSTANT 14 VDC
P2-3 P2-6 CONSTANT 14 VDC
P1-1 P1-2 CONSTANT 115 VAC
P1 115 VAC
P1-2 P1-4 CONDENSER FAN SERVICE TEST 4. 115 VAC, IF CONDENSER FAN ON.
P2-1 P1-2 RC OR FC DOOE OPEN = 115 V. DOORS CLOSED = 0 V.
P2-2 P1-2 AIR BAFFLE FEEDBACK. SERVICE TEST 3, STEP 3.
P2-3 P1-2 FC DEFROST HEATER OUTPUT, BI-METAL BYPASS. SERVICE TEST 6. 115 V, IF BI-METAL
CLOSED.
P2 115 VAC
P2-4 P1-2 WATER FILTER REMOVED = 115 V. WATER FILTER INSTALLED = 0 V.
P2-5 P1-2 AIR BAFFLE OUTPUT. SERVICE TEST 3, STEP 3.
P2-6 P1-2 FILL TUBE/FASCIA/PANTRY HEATER OUTPUT. SERVICE TEST 19. 01 = 115 V, 02 = 0 V.
P2-7 P1-2 FC DEFROST HEATER OUTPUT WITH BI-METAL. SERVICE TEST 6. 115 V.
P3-1 P2-1 RC OR FC DOOR OPEN = 115 V. DOORS CLOSED = 0 V.
P3-3 P1-2 ICE MAKER WATER VALVE. SERVICE TEST 25. DIGIT 1 = 1 = 115 V (WATER VALVE ON)
115 VAC
P3 P3-4 P1-2 WATER DISPENSING VALVE. SERVICE TEST 25. DIGIT 2 = 1 = 115 V.
P3-5 P1-2 LEFT RC DOOR MUST BE CLOSED = 115 V. OPEN = 0 V.
P3-7 P3-8 130 VDC AUGER OUTPUT. LH RC DOOR CLOSED. ACTIVATE ICE PADDLE = 130 - 140 VDC.
P4-1 P4-4 14 VDC CONSTANT 14 VDC.
P4
P4-3 COMMUNICATION
P5-1 P5-2 RC THERMISTOR OUTPUT = 1.5 - 5 VDC.
P5 5 VDC
P5-3 P5-4 FC THERMISTOR OUTPUT = 1.5 - 5 VDC.
P7-1 P7-2 5 VDC ICE MAKER THERMISTOR OUTPUT = 1.5 - 5 VDC MAXIMUM.
P7
P7-5 P7-6 14 VDC ICE MAKER MOTOR OUTPUT. PRESS SW3 TO ACTIVATE TEST 57. UP TO 2 MINUTES DELAY.
P8-1 P8-2 ICE BIN THERMISTOR OUTPUT= 1.5 - 5 VDC.
5 VDC
P8-5 ICE BOX FAN PWM CONNECTION.
P8
P8-3 P8-4 RC EVAPORATOR THERMISTOR OUTPUT = 1.5 - 5 VDC.
P8-7 P8-8 3-6 VDC INVERTER OUTPUT 3-6 VDC WHEN COMPRESSOR IS RUNNING.*
P9 P9-2 P9-3 12 VDC SHELF LIGHTING OUTPUT.
P12-4 P1-2 PANTRY HEATER OUTPUT. SERVICE TEST 73. 01 = 115 VAC.
P12 115 VAC
P12-6 P1-2 ICE MAKER HEATER OUTPUT. SERVICE TEST 58. DIGIT 1 = 1 = HEATER ON (115 V).
P13-1 P13-2 3 WAY REFRIGERANT VALVE, CANNOT CHECK VOLTAGE OUTPUT.
P13
P13-3 P13-4 3 WAY REFRIGERANT VALVE, CANNOT CHECK VOLTAGE OUTPUT.
P14-1 P14-2 FC FAN MOTOR OUTPUT. SERVICE TEST 3, STEP 2.
P14 P14-3 P14-4 14 VDC RC FAN MOTOR OUTPUT. SERVICE TEST 3, STEP 3.
P14-7 P14-6 CONSTANT 14 VDC.
For Service Technician Use Only
CONDITIONS FROM TO VOLTAGE
J1-1 J1-3 14 VDC CONSTANT 14 VDC.
J1-2 COMMUNICATION
J1-5
J1
REFER TO SERVICE TEST 15 FOR VERIFYING THE EMITTER/RECEIVER BOARDS.
J1A-4 J1A-1 14 VDC CONSTANT 14 VDC.
J1A
J1A-2 COMMUNICATION
J3A-1 J3A-3 14 VDC LED OUTPUT = 14 VDC, WHEN TURNED ON.
J3A
J3A-2 J3A-4 5 VDC PANTRY THERMISTOR OUTPUT = 1.5 - 5 VDC.
J1-1 J1-2 0 VDC WHEN WATER DISPENSER PAD IS PRESSED. 14 VDC WHEN RELEASED.
J1 J1-1 J1-3 14 VDC ICE DISPENSER PAD IS PRESSED*, (IF J1-3 USED).
J1-2 J1-3 ICE DISPENSER PAD IS PRESSED*, (IF J1-3 USED).
J2-1 J2-8 FLIPPER MULLION HEATER. SERVICE TEST 35. PRESS SW3 = 14VDC.
J2-4 J2-6 CONSTANT 14 VDC.
J2-7 J2-11 ICE DOOR STEPPER MOTOR IS ACTIVE* (IF USED).
J2 14 VDC
J2-7 J2-12 ICE DOOR STEPPER MOTOR IS ACTIVE* (IF USED).
J2-7 J2-13 ICE DOOR STEPPER MOTOR IS ACTIVE* (IF USED).
J2-7 J2-14 ICE DOOR STEPPER MOTOR IS ACTIVE* (IF USED).
J3-1 J3-2 0 VDC WHEN WATER DISPENSER PAD IS PRESSED. 14 VDC WHEN RELEASED.
J3 J3-1 J3-3 14 VDC WATER DISPENSER PAD IS PRESSED* (IF J3-3 USED).
J3-2 J3-3 WATER DISPENSER PAD IS PRESSED* (IF J3-3 USED).
J5-1 J5-3 14 VDC CONSTANT 14 VDC.
J5
J5-2 COMMUNICATION
J6 J6-1 J6-3 14 VDC DISPENSER LIGHT ON.
P1-1 P1-4
P1
P1-3 COMMUNICATION
P3-1 P3-2 CAVITY LIGHT (POINT LED'S) OUTPUT.
P3
P3-3 P3-4 CAVITY LIGHT (POINT LED'S) OUTPUT.
*Pulsing DC signal. May not be read with all meters.
COMPONENT TESTING
CONDITIONS
NOT USED.
Four Door Bottom Mount
n
3-5