RY9 Washer Heater Relay
1 Heater (Red)
2 (N) (Wht)
CN9
1 Motor Pwr U Phase (Blu)
2 Motor Pwr V Phase (Wht)
3 Motor Pwr W Phase (Red)
CN10
1 Main Valve (Blu)
2 Hot Valve (Red)
3 Pre Valve (Yel)
4 Bleach Valve (Pnk)
6 Drain Pump (Blk)
7 Door Lock Close (Sky)
8 Door Lock Open (Wht)
CN8 (Hull Sensor)
1 +5 vdc (Pnk)
2 Sensor Signal (Red)
3 Sensor Signal (Blu)
4 Ground (Org)
CN7
1 to AG pcb (Wht)
3 Door Lock & Valve common (to L)(Blk)
CN5
1 AC Pwr (N) (Wht)
3 AC Pwr (L) (Blu)
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)
CN1 & CN2
PCB Sub (Display)
CN4 AG PCB
1 (Red)
2 (Blu)
3 (Wht)
4 (Grn)
5 (Pnk) Ground
Water Temperature Thermistor Check
Test 1
Test 2
Connector CN 3 Pin 3 (White) and CN3 Pin 6
(Orange)
Operating voltage at Room temperature
-
Operating Resistance at Room
Temperature (Power off) discon-
nect CN3
4.2VDC (5VDC May indicate a connector
issue)
50-57k
Ω
Door Switch Check
Test 1
Test 2
Connector CN3 pins #6(Org) & # 4(Brn)
25VDC Door Open, 0VDC Door Closed
Operating Resistance with
power off
open with door open, short with
door closed.
Water Level Sensor Check
Test 1
Test 2
Voltage: Connector CN 3 pins #6(Org) & # 7(Vio)
And Connector CN 3 Pins #6(Org) & #8(Pnk)
Resistance: Connector CN 3 Pin 8 (Pink) and CN7
Pin 7 (Violet)
Operating voltage at no water in the
drum-
Operating Resistance (Power
off)
2.5VDC
CN3 Pin 8 (Pink) and Pin 7
(Violet) 22- 24
Ω
Hall Sensor Check
Test 1
Test 2
Connector CN8 pins #4(Org) & # 2(Red) additionally
4(Org) & # 3(Blu)
Manually spin the drum to see the volt-
age change, Power On
N/A
0Vdc or 3.75Vdc
Motor Check
Test 1
Test 2
Connector CN9 Pin 1 (Blue), Pin 2 (White) and Pin
3 (Red)
Power Off 11.5
Ω
across Pins 1-2, Pins 1
-3, & Pins 2-3
N/A
A/C Power Check
Test 1
Test 2
Connector CN 5 Pins 1 (White) and 3 (Blue)
Power On 120VAC
N/A
3
Содержание WF337AAR/XAA
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