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Samsung WA484DSHASU/A1, Быстрое устранение неисправностей

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#  nwWA484 09/21/2013 

               

 

A/C Power Check

 

Test 1

 

Test 2

 

Relay RY12 (Pwr Relay) Pin 2 (Black) and RY13 
(Heater Relay) Pin 2 (White)

 

Plugged in  120VAC power on or off

 

Power on:  CN6  1 (White -2 
(Black) 120VAC

 

Heater Relay Check

 

Test 1

 

Test 2

 

Relay RY12 (Pwr Relay) Pin 1 (White) and RY13 
(Heater Relay) Pin 1 (Red)

 

120VAC with the Heater On and 0VAC 
with the Heater off

 

Power Off, heater resistance is  
~12

Ω

 

Hall Sensor Check

 

Test 1

 

Test 2

 

 
Voltage at Pin #4 (BLK) and #3 (BLU)  of CN1    
Voltage at Pin #4 (BLK) and #2 (GRY) of CN1  
 

Manually spin the drum to see the volt-
age change, Power On

 

 
Voltage at Pin #4 (BLK) and #1 
(RED) of CN1 = 5VDC 

0Vdc or 3.75Vdc

 

D-D Motor Check

 

Test 1

 

Test 2

 

Connector CN8 Pin 1  (Red), Pin 2 (White) and Pin 3 
(Blue)

 

Power Off ~18

Ω

 across Pins 1-2, Pins 1-

3, & Pins 2-3

 

N/A

 

Clutch Motor 

Test 1

 

Test 2

 

Connector CN4 PIN #8  (Brn) and CN6 PIN #3 (Blk)   
 
Test 2 resistance between clutch motor terminals   

Power Off ~2 k

Ω

 across CN4 PIN #8  

(Brn) and CN6 PIN #3 (Blk)  

 

Violet/Black – Brown  =     0

Ω

 

Violet/Black – Black   = ~2K

Ω

 

Brown    – Black   = ~2K

Ω

 

 

 

Test 1

 

Test 2

 

Pin #3 (BLK) of CN6 and Pin #7 (YEL) of CN4   

120VAC with the Mtr On and 0VAC  Off

 

Resistance Pin #3 (BLK) of CN6  
to Pin #7 (YEL) of CN4 = ~20

Ω

 

CN8

 

1 Motor Pwr U 
Phase (Red)

 

2 Motor Pwr V 
Phase  (Wht)

 

3 Motor Pwr  W 
Phase (Blu)

  

RY12 Relay 

1 AC Line 
out (WHT) 
  
2 AC Line 
(BLK) 

CN7

 

1 Reactor Connector Port (WHT) 

 

2 Reactor Connector Port (WHT)

 

CN6 

1 AC Neutral (Wht) 
3 AC Line Common (Blk) 

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))

 

CN1  

1-4  

5vdc

 (Red – 

Grn) 
2 Hall – B  (GRY) 
3 Hall – A  (BLU) 
4 GND -    (BLK)                                    
5 Clutch Hall – IC 
(WHT) 

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) 

CN3  

                                                                                 

1-2  Door Lock -        (Blk-Brn) 

4 Unlock Contact -     (BLU) 

5 Lock Contact -         (RED) 

6 Reed Switch -         (GRN) 

7 5VDC                      (WHT) 

Содержание WA484DSHASU/A1

Страница 1: ...he stored fault codes then turn Jog Dial to view error codes Push Start Pause while the code is displayed to view the num ber of cycles since the error occurred Peripheral Main PCB input Tests 1 Select Extra Rinse Then turn the Jog Dial so that the Normal LED is turned on The Water Temperature will be displayed in Centigrade 2 Select Extra Rinse Then turn the Jog Dial so that the Heavy Duty is tur...

Страница 2: ...erminals Power Off 2 kΩ across CN4 PIN 8 Brn and CN6 PIN 3 Blk Violet Black Brown 0Ω Violet Black Black 2KΩ Brown Black 2KΩ Test 1 Test 2 Pin 3 BLK of CN6 and Pin 7 YEL of CN4 120VAC with the Mtr On and 0VAC Off Resistance Pin 3 BLK of CN6 to Pin 7 YEL of CN4 20Ω CN8 1 Motor Pwr U Phase Red 2 Motor Pwr V Phase Wht 3 Motor Pwr W Phase Blu RY12 Relay 1 AC Line out WHT 2 AC Line BLK CN7 1 Reactor Con...

Страница 3: ...ED Water Level Sensor LE 8 Check for water to the valves clogged valve screens defective valve solenoid coils Check the water level pressure sensor Check for 120VAC to the valve Motor Drive Error or Hall Sensor error 3E Check the motor drive connector it may be loose The hall sensor may be disconnected loose or damaged Check for a foreign ob ject inside the motor or motor damage The stator might b...

Страница 4: ...Check for disconnected wires Check whether the sub PCB is short circuited because of moisture If the main PCB s communication circuit is faulty replace it Switch Error Main Relay Error E2 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 switching IC on off error ...

Страница 5: ...nd complete the wash cycle Mems or Har ness Failure 8E Check MEMS PCB Main PCB Wire harness MEMS sensor error If the output from the MEMS sensor is over 4 5VDC open or below 0 5VDC shorted for 5 seconds this error will occur Foaming Detected SUdS Sd This occurs when too much foaming is detected It is also displayed while foaming is removed When the removal is finished the normal cycle proceeds Thi...

Страница 6: ...2013 HOT COLD BLEACH RINSE CLUTCH Softener is dispensed in the final rinse by the RINSE valve This valve is only used to dispense the Soften Door locked by Reed Switch in blue plastic Door Lock Replaced as an Assembly ...

Страница 7: ... nwWA484 09 21 2013 ...

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