Service Manual

COMPONENT TESTING
Whirlpool Smart All-In-One Washer & Dryer
n
3-5
For Service Technician Use Only
ACU CONNECTORS - FIGURE 2
J16 - HMI Comm*
J3 - Motor Control Unit (MCU)
J4 - Water Valves/
Drain Pump
J20 - Water Sensor
J7 - Blower Motor
J10 - Dry Heater J2 - Door Lock
J1 - AC Input
J14 - Dry/Wash NTC’s
J9 - Wash Heater
J12 - Bulk Dispenser
Levels
J17 - MCU Comm*
J22 - Recirc. Pump
J11 - Bulk Dispenser
Posion
J5 - Dosing Pumps
J6 - Drain Pump
ACU CONNECTOR PIN-OUTS
J1 AC INPUT (BL)
J1-1 L2
J1-2 L1
J2 DOOR LOCK (RD)
J2-1 L1 switched by door lock
J2-2 L1 switched by main relay
J2-3 Door lock/unlock (L2)
J3 DOOR LOCK TO DD MOTOR (WH)
J3-1 L1 switched by door lock
J3-2 L2
J4 WATER VALVES (WT)
J4-1 Mains relay out (switched L1)
J4-2 Open
J4-3 Open
J4-4 Condensaon valve (L2)
J4-5 Drain pump (L2)
J4-6 Main wash valve (L2)
J5 DOSING PUMPS (WH)
J5-1 Detergent pump (L2)
J5-2 Mains relay out (L1)
J5-3 Mains relay out (L1)
J5-4 Soener pump (L2)
J6 DRAIN PUMPS (BL)
J6-1 Open
J6-2 Mains relay out (L1)
J6-3 Open
J7 BLOWER MOTOR (WT)
J7-1 Blower motor (L2)
J7-2 Mains relay out (L1)
J9 WASH HEATER (RD)
J9-1 Wash Heater (L2)
J9-2 Wash Heater (L1)
J10 DRY HEATER (BK)
J10-1 Dry Heater (L2)
J10-2 Dry Heater (L1)
J11 BULK DISP. POS. (WT)
J11-1 +5 VDC Out
J11-2 Drawer Posion
J12 BULK DISP. LEVELS (WT)
J12-1 ADS Feedback Detergent
J12-2 Switched 5V
J12-3 ADS Feedback Soener
J12-4 Switched 5V
J12-5 Open
J14 DRY & WASH NTC’S (WT)
J14-1 Dry NTC
J14-2 +5V
J14-3 Open
J14-4 Open
J14-5 Wash NTC
J14-6 +5V
J16 HMI CONNECTOR (WT)
J16-1 ISO +5V
J16-2 OPTO WIN
J16-3 ISO GND
J16-4 ISO +12.7V
J17 MCU CONNECTOR (WT)
J17-1 ISO +5V
J17-2 OPTO WIN
J17-3 ISO GND
J17-4 ISO +12.7V
J20 WATER SENSOR (WT)
J20-1 GND
J20-2 APS Input
J20-3 +5V
J22 RECIRCULATION PUMP (BR)
J22-1 Mains relay out (L1)
J22-2 Recirculaon pump (L2)
*NOTE: Do not cross-connect J16 (HMI) and J17 (MCU).