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#  tsWF419   RevE 03/21/2011                                                                                                                                                                   

 3 

 

Washer Connector Checks WF419

  

CN3 

1 Door Lock Close (Blk)

 

2 Door Lock Open (Wht)

 

3 Drain Pump (Vio)

 

4 Steam Valve (Red)

 

5 Bleach Valve (Pnk)

 

7 Pre Valve (Yel)

 

8 Main Valve (Blu)

 

9 Hot Valve (Org)

 

CN2

 

1 AC Pwr (L) (Blk)

 

2 Pwr Sw (Yel)

 

3 Valves Common, Lock Sw  (Brn)

 

RY4

 Steam Heater Relay

 

1 (Org)

 

2 (Blk)

 

RY1

 Power Relay

 

1 (Blu) 
2 (Wht)

 

RY2

 Washer Heater Relay

 

1 (Blk)

 

2 (Red)

 

CN5

 

1 Motor Pwr U Phase (Blu)

 

2 Motor Pwr V Phase (Wht)

 

3 Motor Pwr  W Phase (Red

  

CN6 

(Hull Sensor)

 

1  +5 vdc (Pnk)

 

2 Sensor Signal (Red)

 

3 Sensor Signal (Blu)

 

4 Ground (Org)

 

CN8 

(Display Connector)

 

1 T Comm Port (Blu)

 

2 R Comm Port (Org)

 

3 Rest Signal (Yel)

 

4 Ground (Pnk)

 

5 +5 vdc (Wht)

 

6 +15 vdc (Red)

 

CN7

 

4 Water Temp Thermistor( Wht)

 

5 Water Temp Thermistor Gnd (Org)

 

6 Water Level Sensor (Pnk)

 

7 Water Level Sensor (Vio)

 

CN4

 

1 Door Sw (Org)

 

3 Door Sw (Gry)

 

7 AG Sensor (Brn)

 

8 AG Sensor (Yel)

 

Water Temperature Thermistor Check

 

Test 1

 

Test 2

 

Connector CN 7 Pin 4 (White) and CN7 Pin 5 
(Orange)

 

Operating voltage at Room temperature 

 

Operating Resistance at Room 
Temperature (Power off) Dis-
connect CN7

 

4.2VDC (5VDC May indicate a connector 
issue)

 

50-57kΩ

 

Door Switch Check

 

Test 1

 

Test 2

 

Connector CN4 Pin 1 (Pink) and CN4 Pin 3 (Gray)

 

25VDC Door Open, 0VDC Door Closed

 

Operating Resistance with 
power off

 

 

24kΩ

 

Water Level Sensor Check

 

Test 1

 

Test 2

 

Voltage: Connector CN 7 Pin 6 (Pink) and CN7 Pin 
5 (Orange) And Connector CN 7 Pin 7 (Violet) and 
CN7 Pin 5 (Orange)  

Resistance: Connector CN 7 Pin 6 (Pink) and CN7 
Pin 7 (Violet)

 

Operating voltage at no water in the 
drum-

 

Operating Resistance  (Power 
off)

 

2.5VDC

 

Pin 6 (Pink) and Pin 7 (Violet) 
22- 24Ω

  

Hall Sensor Check

 

Test 1

 

Test 2

 

Connector CN6 Pin 4 (Orange) and Pin 2 (Red) ad-
ditionally  Pin 4 (Orange) and Pin 3 (blue)

 

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 CN5 Pin 1  (Blue), Pin 2 (White) and Pin 
3 (Red)

 

Power Off 11.5Ω across Pins 1-2, Pins 1
-3, & Pins 2-3

 

N/A

 

A/C Power Check

 

Test 1

 

Test 2

 

Connector CN 2 Pins 1 (Black) and 2 (Yellow)

 

Power On 120VAC

 

N/A

 

Summary of Contents for WF419AAU/XAA

Page 1: ...odes then turn Jog Dial to view error codes Push Start Pause while the code is displayed to view the number of cycles since the error occurred Peripheral Main PCB input Tests 1 Select My Cycle Then turn the Jog Dial so that the Extra Rinse LED is turned on Next press the Start Pause Key The Water Temperature will be displayed in Fahrenheit 2 Select My Cycle Then turn the Jog Dial so that the Exten...

Page 2: ... tsWF419 RevE 03 21 2011 2 WF419AA XAA ...

Page 3: ... 7 Pin 4 White and CN7 Pin 5 Orange Operating voltage at Room temperature Operating Resistance at Room Temperature Power off Dis connect CN7 4 2VDC 5VDC May indicate a connector issue 50 57kΩ Door Switch Check Test 1 Test 2 Connector CN4 Pin 1 Pink and CN4 Pin 3 Gray 25VDC Door Open 0VDC Door Closed Operating Resistance with power off 24kΩ Water Level Sensor Check Test 1 Test 2 Voltage Connector C...

Page 4: ...tance is 16 6 Ω Steam Heater Relay Check Test 1 Test 2 Connector CN2 Pin 3 Brown and RY4 heater relay Pin 1 Orange 120VAC with the Heater On and 0VAC with the Heater off Power Off heater resistance is 15 6 Ω Error Type Error Mode Details LED LCD Water Level Sensor LE 8 Check the Hose where the sensor is connected may be loose pinched damaged or clogged Also check the sensor it may be disconnected ...

Page 5: ...use of moisture If the main PCB s communication circuit is faulty replace it EEPROM Fault 11 Go to EEPROM Clear Mode If display shows FAiL Replace Ma chine Control Board Switch Error Main Relay Error E2 15 Check whether either the Power switch or a tact switch any button is stuck down Check whether the service PBA holding screws are fastened too tight pinching the contacts If the main PBA switchin...

Page 6: ...ly Verify the water valves shut off fully Finally check the water level sensor Temperature Sensor Error 29 The washing heater temperature sensor in the tub has an error Check the connections for the washing heater temperature sensor connector Unbalance Error dC 10 Check the type of laundry Check whether it may cause an unbal anced situation Educate the consumer in this case to press pause repositi...

Page 7: ...ain during the following rinse cycle removing any remnants Stacking Kit Model No SK 3A1 XAA SK 4A XAA SK 5A XAA Samsung washers and dryers can be stacked to maximize usable space An optional stacking kit is available for purchase from your Samsung retailer Location considerations Do not install your washer in areas where water may freeze since your washer will always maintain some water in its wat...

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