Whirlpool Cabrio WTW8500DW Technical Education page 72

TESTING
FOR SERVICE TECHNICIAN'S USE ONLY
MAIN CONTROL BOARD (FIGURE 1)
J18 User
Interface
J6 Lid
Lock
= Pin 1
MAIN CONTROL BOARD CONNECTORS AND PINOUTS (FIGURE 2)
6-6 Whirlpool 2014 CABRIO
n
J2-5
J2-4 Wht
J2-3
J2-2 Blk
J2-1 Blk
For Service Technician Use Only
J4 Pumps & Shifter
J4-7 Orn
J4-5 Lt Blu Recirc. Pump (not on all models)
J4-3 Blu
J4-1 Wht
operating) proceed to Key Activation &
Encoder Test, page 3.
continue to step 9.
proceed to step 7.
7. Check if console UI is affecting the main
control DC supply.
a. Unplug washer or disconnect power.
b. Remove connector J18 from main control.
c. Plug in washer or reconnect power.
d. Recheck the Diagnostic LED per step 6.
to Test #4: Keys and Encoders, "None of the
Diagnostic LED
indicators light up", step 4, page 17. If diagnostic
LED is not flashing, continue to step 8.
8. Perform voltage checks inside header J18
on the board – do not short pins together.
J1 Motor
J1-6 HF Return
J1-5 Open
J1-4 Blk VS3
J1-3 Brn VS1
J1-2 Open
J1-1 Red VS2
J2 Valves & Thermistor
J2-12 Open
J2-11 Open
J2-10 Blu Cold Valve
J2-9 Red Hot Valve
J2-8 Vlt Oxi Valve (not
on all models)
J2-7 Orn Softener Valve
J2-6 Open
J2-5 Open
J2-4 Wht Neutral
J2-3 Open
J2-2 Blk Valve Thermistor
J2-1 Blk Rtn (VSS)
J4 Pumps & Shifter
J4-7 Orn Shifter
J4-5 Lt Blu Recirc. Pump (not on all models)
J4-3 Blu Drain Pump
J4-1 Wht Neutral
Direct Drive Washer
®
Open
Neutral
Open
Valve Thermistor
Rtn (VSS)
Shifter
Drain Pump
Neutral
Flashing: (+5VDC present and micro
ON: (+5VDC present but micro failure)
OFF: (+5VDC missing or micro failure)
If the diagnostic LED is now flashing, go
J12 Power
J1 Motor
Cord
J5
J5-2 Gry
J5-1 Blk
J6
J6-7 Red
J6-6
J6-5 Grn
J6-4 Blu
J6-3 Blk
J6-2 Brn
J6-1 Wht
J18
J18-3 Blk
J18-2 Blu
J18-1 Yel
J12
J12-3 Wht
J12-2 Grn
J12-1 Blk
J12 Power Cord
J12-3 Wht Neutral
J12-2 Grn Ground
J12-1 Blk L1
J5 Heater Element
DO NOT REMOVE OR DESTROY
Heater Element
Neutral
L1
Lid Lock
Lock Sw
Open
Lid Sw
Home Sw
Lock Motor
Lock Motor
Sw Out
UI
Rtn (VSS)
Wide
+5VDC
Power Cord
Neutral
Ground
L1
J4 Pumps
& Shifter
J4 Pumps
& Shifter
J2 Valves &
Thermistor