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RY9 Washer Heater Relay
1 Heater (Red)
2 (N) (White)
CN7
2 Door Lock & Valve
common (to L) (Blk)
CN5
1 AC Pwr (N) (Wht)
3 AC Pwr (L) (Blu)
Water Temperature Thermistor Check
Connector CN 3 Pin 3 (White) and CN3 Pin 6
(Orange)
Door Switch Check
Connector CN3 Pin 4 (Brown) and CN3 Pin 6
(Orange)
Water Level Sensor Check
Voltage: Connector CN 3 Pin 8 (Pink) and CN3 Pin
6 (Orange) And Connector CN 3 Pin 7 (Violet) and
CN3 Pin 6 (Orange)
Resistance: Connector CN 3 Pin 8 (Pink) and CN3
Pin 7 (Violet)
Hall Sensor Check
Connector CN8 Pin 4 (Orange) and Pin 2 (Red) ad-
ditionally Pin 4 (Orange) and Pin 3 (blue)
Motor Check
Connector CN9 Pin 1 (Blue), Pin 2 (White) and Pin
3 (Red)
A/C Power Check
Connector CN 5 Pins 1 (White) and 3 (Blue)
Washer Connector Checks WF219
CN9
1 Motor Pwr U Phase (Blu)
2 Motor Pwr V Phase (Wht)
3 Motor Pwr W Phase (Red)
CN8 (Hull Sensor)
1 +5 vdc (Pnk)
2 Sensor Signal (Red)
3 Sensor Signal (Blu)
4 Ground (Org)
Operating voltage at Room temperature
-
4.2VDC (5VDC May indicate a connector
issue)
DC voltage Door Open, 0VDC Door
Closed
Operating voltage at no water in the
drum-
2.5VDC
Manually spin the drum to see the volt-
age change, Power On
0Vdc or 3.75Vdc
Power Off 11.5Ω across Pins 1-2, Pins 1
-3, & Pins 2-3
Power On 120VAC
CN3
3 Water Temp Thermistor (Wht)
4 Door Sw (Brn)
6 Water Temp Thermistor Gnd. (Org)
7 Water Level Sensor (Vio)
8 Water Level Sensor (Pnk)
Test 1
Test 1
Test 1
Test 1
Test 1
Test 1
CN10
1 Main Valve (Blu)
2 Hot Valve (Red)
4 Bleach Valve (Pnk)
6 Drain Pump (Blk)
7 Door Lock Close (Sky)
8 Door Lock Open (Wht)
CN1 & CN2
PCB Sub (Display)
Test 2
Operating Resistance at Room
Temperature (Power off) discon-
nect CN3
50-57kΩ
Test 2
Operating Resistance with
power off
24kΩ
Test 2
Operating Resistance (Power
off)
Pin 8 (Pink) and Pin 7 (Violet)
22- 24Ω
Test 2
N/A
Test 2
N/A
Test 2
N/A
3
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