Washer Connector Checks Wa5471 - Samsung WA5451ANW/XAA Fast Track Troubleshooting

CN2 Interface
1 Standby (S/BLU)
2 TX (VIO)
3 -RX (BLK)
4 Reset (BRN)
5-6 5vdc (Gry-Pnk)
7-6 12vdc (Org-Pnk)
8 EMG - (YEL)
9 Power On (WHT)
10 Water Level (BLU)
11 Sub Reed (Red)
CN1
1-4 5vdc (Red – Grn)
2 Hall – B (GRY)
3 Hall – A (BLU)
4 GND - (BLK)
5 Clutch Hall – IC (WHT)
CN4 120vac
2-(CN6-3) Bleach Valve (Gry-Blk)
3-(CN6-3) Cold Valve (Blu-Blk)
4-(CN6-3) Hot Valve (Red-Blk)
5-(CN6-3) Rinse (Softener) Valve (Wht-Blk)
6 Clutch Contact (VIO)
7-(CN6-3) Cir. Pump (Yel-Blk)
8-(CN6-3) Clutch Mtr (Brn-Blk)
9-(RY12-2) Drain Pump (Pnk-Wht))
A/C Power Check
Relay RY12 (Pwr Relay) Pin 2 (Black) and RY13
(Heater Relay) Pin 2 (White)
Heater Relay Check
Relay RY12 (Pwr Relay) Pin 1 (White) and RY13
(Heater Relay) Pin 1 (Red)
Hall Sensor Check
Voltage at Pin #4 (BLK) and #3 (BLU) of CN1
Voltage at Pin #4 (BLK) and #2 (GRY) of CN1
D-D Motor Check
Connector CN8 Pin 1 (Red), Pin 2 (White) and Pin 3
(Blue)
Clutch Motor
Connector CN4 PIN #8 (Brn) and CN6 PIN #3 (Blk)
Test 2 resistance between clutch motor terminals
Pin #3 (BLK) of CN6 and Pin #7 (YEL) of CN4

Washer Connector Checks WA5471

CN3
1-2 Door Lock - (Blk-Brn)
4 Unlock Contact - (BLU)
5 Lock Contact - (RED)
6 Reed Switch - (GRN)
7 5VDC (WHT)
RY13 Relay
1 Heater (Red)
2 AC Neutral (Wht)
Plugged in 120VAC power on or off
120VAC with the Heater On and 0VAC
with the Heater off
Manually spin the drum to see the volt-
age change, Power On
0Vdc or 3.75Vdc
Power Off ~18Ω across Pins 1-2, Pins 1-
3, & Pins 2-3
Power Off ~2 kΩ across CN4 PIN #8
(Brn) and CN6 PIN #3 (Blk)
120VAC with the Mtr On and 0VAC Off
CN8
1 Motor Pwr U Phase (Red)
2 Motor Pwr V Phase (Wht)
3 Motor Pwr W Phase (Blu)
CN7
1 Reactor Connector Port (WHT)
2 Reactor Connector Port (WHT)
CN6
1 AC Neutral (Wht)
3 AC Line Common (Blk)
Test 1
Power on: CN6 1 (White -2
(Black) 120VAC
Test 1
Power Off, heater resistance is
~12Ω
Test 1
Voltage at Pin #4 (BLK) and #1
(RED) of CN1 = 5VDC
Test 1
N/A
Test 1
Violet/Black – Brown =
Violet/Black – Black = ~2KΩ
Brown
Test 1
Resistance Pin #3 (BLK) of CN6
to Pin #7 (YEL) of CN4 = ~20Ω
RY12 Relay
1 AC Line out (WHT)
2 AC Line (BLK)
Test 2
Test 2
Test 2
Test 2
Test 2
0Ω
– Black = ~2KΩ
Test 2
# nwWA5451 09/22/2011