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Samsung WA400 Series, Service Manual

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Samsung WA400 Series Service Manual Download Page 32

30 _ PCB Diagram

5-4.  DETAILED MANUAL FOR CONNECTOR TERMINAL PART - SUB PCB (WA456*)

►  This Document can not be used without Samsung’s authorization.

► 

CN9

1.  EMG
2.  WL_MAIN
3.  STANDBY
4.  TX
5.  RX
6.  RESET
7.  5V
8.  GND
9.  12V
10. POWER ON

► 

CN8

1.  NC
2.  NC
3.  NC
4.  NC
5.  NC
6.  NC
7.  NC
8.  GND
9.  Water_Therm
10. Reed_1
11. Water_Level_Sensor
12. Water_Level_Sensor

Hudson Washer.indb   30

2012-03-28   �� 9:46:03

Summary of Contents for WA400 Series

Page 1: ...ON PJT Model Code WA456DRHDSU AA WA456DRHDWR AA WA422PRHDWR AA WA400PJHDWR AA Refer to the service manual in the GSPN see the rear cover for the more information 1 Safety Instructions 2 Features and Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Schematic Diagram 8 Reference WA456DRHDWR WA456DRHDSU WA400PJHDWR WA422PRHDWR Hudson Washer indb 1 2012 03...

Page 2: ...or modes 19 4 2 Corrective actions for each error code 21 4 3 The installation for leveling 26 5 PCB diagram 27 5 1 Main PCB 27 5 2 Detailed Manual for Connector and Relay Terminal Part Main PCB 28 5 3 Sub PCB 29 5 4 Detailed Manual for Connector Terminal Part Sub PCB WA456 30 5 5 Detailed Manual for Connector Terminal Part Sub PCB WA422 WA400 31 6 Wiring diagram 32 6 1 Wiring diagram 32 7 Schemat...

Page 3: ... plug before servicing 4 Failing to do so may result in a risk of electric shock Do not allow consumers to connect several appliances to a single power outlet at the same time 4 There is a risk of fire due to overheating When removing the power cord make sure to hold the power plug when pulling the plug from the outlet 4 Failing to do so may damage the plug and result in fire or electric shock Whe...

Page 4: ...G Check the wiring 4 Ensure that no wire touches a rotating part or a sharpened part of the electrical harness Check for any water leakage 4 Perform a test run for the washing machine using the standard course and check whether there is any water leakage through the floor section or the pipes Do not allow consumers to repair or service any part of the washing machine themselves 4 This may result i...

Page 5: ...button using a sharp tool or object 4 This may result in electric shock or damage to the product WHILE SERVICING When wiring a harness make sure to seal it completely so no liquid can enter 4 Make sure that they do not break when force is exerted Check if there is any residue that shows that liquid entered the electric parts or harnesses 4 If any liquid has entered into a part replace it or comple...

Page 6: ...e insulation resistance between the power plug and the grounding wire of the washing machine The value must be greater than 10MΩ when measured with a 500V DC Megger Check whether the washing machine is level the floor with respect to the original position of the washing machine prior to service By doing this now will reduce for the need of customer dissatisfaction and redo call 4 Vibrations can sh...

Page 7: ...as been adopted that sprays water equally so that the rinse cycle is effective even with a small amount of water VRT Vibration Reduction Technology This Samsung washer performs smoothly at top spin speeds minimizing noise and vibration Eco Plus WA456 If you select this option the water temperature is set to slightly lower than during the normal wash course to save energy Pure Cycle Tub Cleaning cy...

Page 8: ... open 58 1 147 5cm D Depth 29 3 74 4cm WATER PRESSURE 20 116psi 137 800kPa WEIGHT WA456 56kg 122 2lb WA422 55kg 120 0lb WA400 54kg 117 8lb CAPACITY WA456 4 5cu ft WA422 4 2cu ft WA400 4 0cu ft POWER CONSUMPTION WASHING 120V 700W SPIN 120V 400W DRAIN 120V 80W SPIN REVOLUTION WA456 1 000rpm WA422 WA400 800rpm C B A D Hudson Washer indb 6 2012 03 28 9 45 46 ...

Page 9: ...eat White Neat White Neat White Center display 18 88 18 88 18 88 18 88 Jog Dial Squall Jr Same Squall Jr Same Squall Jr Same Squall Jr Same Main display LED LED LED LED LED color Red Red Red Red Door Lid TC Tempered Tinted glass Tempered Tinted glass Tempered Tinted glass Opaque Easy door Yes Yes Yes Yes Frame VCM Ultra Inox PCM PCM PCM Top Cover Steel EGI Painting Steel EGI Painting Steel EGI Pai...

Page 10: ...OSE HANGER DC61 00224A Default MANUAL BOOK DC68 03133A Default CABLE TIE 6501 000121 Default CAP W V DC61 10449Q Default ASSY LEG SUPPORT DC97 14095A Service Note Customer can purchase Water supply drain hoses and assy leg support from a service center Hudson Washer indb 8 2012 03 28 9 45 50 ...

Page 11: ... Motor 1 Balance 5 Damper 2 Damper friction 1 Double ended spanner 10mm 17mm Replaced by box driver Leg Vice pliers A Tool for protecting empty turning of bolt or abrasion from using box driver For disassembly of Spin drum Others screwdriver nipper long nose pliers Common tools for servicing JIG for the ASSY SPIN BASKET Hudson Washer indb 9 2012 03 28 9 45 50 ...

Page 12: ...emble use the driver to disassemble hooks Be careful damage of hooks 4 Remove the 2 screws holding the control panel assembly and turn the panel over 5 Pull the Encoder Knob to separate it and then remove the 4 fixing screws When reassembling the PCB take care that you do not damage the control panel fixing hook After replacing the sub PCB check the key operation 6 Separate the cover pcb m and the...

Page 13: ...ter separating the control panel separate the water valve housing 2 Remove the 3 fixing screws 3 Remove the wire harness and release the 2 clamps connecting the hoses When releasing the clamps take care that you do not tear the hoses Hudson Washer indb 11 2012 03 28 9 45 51 ...

Page 14: ... _ Disassembly and Reassembly Part Figure Description Door Assembly 1 Remove the 2 inlay tapes 2 Remove the 4 screws holding the door lid TC and separate the door Hudson Washer indb 12 2012 03 28 9 45 52 ...

Page 15: ...arness 4 Separate the main wire harness the pressure switch hose clip Grounding screw 5 Release the bleach hose clamp 6 Separate the top cover assembly by lifting and pushing ahead the top part of the assembly 7 you can check the door switch If turn the Top cover upside down Sensor Pressure Switch 1 Disassemble the control panel assembly 2 Separate the pressure switch housing 3 Before separating t...

Page 16: ...embly Part Figure Description Drain Pump 1 Separate the back cover 2 Separate 2 clamps 3 Remove the 3 screws 4 5 screws are separated by shape hand driver Thermistor 1 Remove the 2 screws Hudson Washer indb 14 2012 03 28 9 45 53 ...

Page 17: ...crews holding the panel control Separate all the wires connected to the housing 3 Remove the 8 screws fixing the tub cover and separate the tub cover 4 Separate the pulsator cap by inserting the tip of a screwdriver between the pulsator cap and the pulsator and then lifting the screwdriver up 5 Remove the bolt holding the pulsator with a 10mm wrench Hudson Washer indb 15 2012 03 28 9 45 54 ...

Page 18: ...lace the main body so that the front frame faces upward and remove the 2 bolts holding the saddle with a 10mm wrench When you place the washer on the floor take care that you do not damage or scratch the product 8 Remove the bolt holding the DD motor housing with a 17mm wrench and then remove the motor housing 9 Remove the 6 bolts holding the DD motor with a 10mm wrench Hudson Washer indb 16 2012 ...

Page 19: ...mbly continued 10 Separate the 2 marked housings and then remove the DD motor 11 Press the hook to separate the housing 12 Separate the slide guide and the coupling by pulling them forward Disassemble the coupling and the spring Hudson Washer indb 17 2012 03 28 9 45 55 ...

Page 20: ...tion Clutch Assembly continued 13 Separate the clip 14 Remove the 6 screws fixing the clutch assembly and then separate the clutch assembly Reassembly procedures are in the reverse order of dissasembly procedures Hudson Washer indb 18 2012 03 28 9 45 55 ...

Page 21: ...hose is folded or torn The cold and warm water supply hoses are incorrectly switched with each other The water supplied for 1 minute drying cycle is 0 3 0 4 L The water temperature is sensed as higher than 50 C in the Wool or Delicates Hand wash for 8 seconds Drain Error The pump motor impeller is damaged internally Wrong voltage 220 V 110 V is supplied to the parts Part fault This occurs due to f...

Page 22: ...s foreign material in the water supply valve This error may occur when the water level sensor is degraded This error occurs because the water level sensor terminal is out of place Temperature Sensor Error The washing heater in the tub has an error Contact error temperature sensor fault The connector is connected incorrectly or is disconnected Heater sensor fault When the connector is connected inc...

Page 23: ... Blue Color Wire Oragne Color Wire 2 Frequency Approx 26 4 KHz without water Min 25 9KHz Washing Motor Error and Hall Sensor Error Washing motor fault Washing motor hall sensor fault Incorrect connections of the washing motor hall sensor connector Washing motor rotor and stator fault Main PCB fault Check the motor connector terminal connections and contacts 3E is displayed because overloading occu...

Page 24: ...y valve filter Drain Error Freezing in the winter season Foreign materials in the drain pump Poor physical connection Drain pump fault Main PCB fault If the drain pump revolutions are restrained due to freezing in the winter season check the method to remove the freezing and remove as directed Check whether the revolutions of the drain pump motor are restrained by foreign material and remove as di...

Page 25: ... occurs after approx 30 seconds has passed Door Error Door Lock SW fault Reed SW fault Main PCB fault Check the Door Lock SW terminal connections and contacts Bring the probe of tester into contact with two terminals of Door Lock SW DS Error In state of Door Close Check Reed SW Resistance FL Error In state of Door Unlock Check Motor Resistance And In state of Door Lock Check Door Lock Contact Resi...

Page 26: ...rmally Overflow Error Water level sensor fault Freezing in the winter season If the water level sensor has a functional error replace it Check the hose This error occurs if it is torn or has a hole This error occurs if water is frozen in the winter season Use hair dryer to defrost hose Consider relocating the unit to warmer location Water level Sensor Temperature Sensor Error Washing temperature s...

Page 27: ...otor hall sensor fault Caused by the laundry contents Check the type of laundry Check whether it may cause an unbalanced situation Educate the consumer in this case is to press pause reposition the load or remove a few items Press start to continue and complete the wash cycle Hudson Washer indb 25 2012 03 28 9 46 00 ...

Page 28: ...han the front level of the floor it can t be leveled Front Rear Only use the front legs to adjust the level Use the leg supports to adjust the level of the rear If the floor is on a steeply slope please use the additional leg supports Customer can purchase the leg supports from a service center Hudson Washer indb 26 2012 03 28 9 46 00 ...

Page 29: ...o Change the AC to the DC 5 CE6 Charging Voltage Charge the DC LINK 300V Location Part No Function Description 6 IC1 Switching IC Making a stable DC 7 TE6 Trans Circuit Chopping the DC Link 8 SSR1 6 TRIAC1 2 Load Control Turn ON Off the Load Valve etc 9 Q5 RY2 Door Lock Switch Driving Circuit Drive the Door Lock Switch Toggle CW CCW 10 IC6 Driving Circuit Drive the SSR or Relay Supply the Current ...

Page 30: ...Motor_U 2 Motor_V 3 Motor_W CN9 1 5V 2 Hall_A 3 Hall_B 4 GND CN8 1 Door Lock Motor 2 Door Lock Motor 3 GND 4 Unlock Contact 5 Lock Contact 6 Reed Switch 7 5V_1 CN5 1 Water Level 2 Standby 3 TX 4 RX 5 Sub Reset 6 5V 7 GND 8 12V 9 Power On CN4 1 Bleach Valve WA456 2 Rinse Valve 3 Hot Valve 4 Cold Valve 5 Pump 6 N C 7 Mist Valve 8 Clutch Hudson Washer indb 28 2012 03 28 9 46 02 ...

Page 31: ...nd vibration 2 SW1 Jog Dial Jog Dial 3 CN12 Communication Part Connect Main PBA 4 CN8 Conecting Sensing Part Connecting Thermistor Water Lavel and Mems Sensor 5 LED1 37 BZ1 SW2 11 LED Lamp Display Function 6 Buzzer Making a sound 7 Switch Operating or changing Function 8 DSP1 LED Display Display Funciton WA456 9 DSP3 LED Display Display Funciton WA422 WA400 5 2 4 3 1 9 8 6 7 Hudson Washer indb 29 ...

Page 32: ...ocument can not be used without Samsung s authorization CN9 1 EMG 2 WL_MAIN 3 STANDBY 4 TX 5 RX 6 RESET 7 5V 8 GND 9 12V 10 POWER ON CN8 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 NC 8 GND 9 Water_Therm 10 Reed_1 11 Water_Level_Sensor 12 Water_Level_Sensor Hudson Washer indb 30 2012 03 28 9 46 03 ...

Page 33: ...s Document can not be used without Samsung s authorization CN8 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 NC 8 GND 9 Water_Therm 10 Reed_1 11 Water_Level_Sensor 12 Water_Level_Sensor CN9 1 EMG 2 WL_MAIN 3 STANDBY 4 TX 5 RX 6 RESET 7 5V 8 GND 9 12V 10 POWER ON Hudson Washer indb 31 2012 03 28 9 46 03 ...

Page 34: ...AM This Document can not be used without Samsung s authorization n REFERENCE INFORMATION BLK BLACK BLU BLUE GRN GREEN GRY GRAY NTR NATURAL ORG ORANGE PNK PINK RED RED SKYBLU SKYBLUE VIO VIOLET WHT WHITE YEL YELLOW Hudson Washer indb 32 2012 03 28 9 46 03 ...

Page 35: ...3 ENCB1 TXD3 VO0 PC2 PF2 ENCA1 SCLK3 CTS3 YO0 PC3 PF1 TB7OUT WO0 PC4 ZO0 PC5 EMG0 PC6 OVV0 PC7 TB5IN ENCA0 PD0 TB5OUT ENCB0 PD1 ENCZ0 PD2 INT9 PD3 CTS2 SCLK2 PD4 TXD2 PD5 RXD2 PD6 UO1 PG0 XO1 PG1 VO1 PG2 DVDD5 DVSS YO1 PG3 WO1 PG4 ZO1 PG5 EMG1 PG6 OVV1 PG7 X1 DVSS X2 BOOT TB7IN PF0 ITRIP CLUTCH PC17 KTLP160J 3 2 4 1 IC10 KIA78R15PI 3 2 4 1 VIN VDIS VO GND PC16 PS9122 4 3 5 2 1 R129 330 J 0 1W 2 1 ...

Page 36: ...52 4 7K J 0 125W 2 1 Q7 MMBT3906 2 1 3 C B E 0 2W KRC246S Q12 1 2 3 C B E GND STANDBY K 1 J W 5 2 1 0 R36 2 1 0 0 1 J W 5 2 1 0 R32 2 1 R35 10K J 0 125W 2 1 K 0 1 F W 5 2 1 0 R33 2 1 REED_1 GND R37 1K J 0 125W 2 1 REED_2 WATER_THERM 3 3V 0 125W J 10K R69 2 1 50V 100nF C8 2 1 C2 100nF 50V 2 1 50V 100nF C3 2 1 5V 3 3V GND LED29 RED 2 1 WL_SUB REED_1 WATER_THERM R20 100 J 0 125W 2 1 BZ_ENA BZ_ENA 3 3...

Page 37: ...2 Platformor Series Sub Plat or Ver W A 4 5 6 D R H D S U A A Product type CAN NOT CHANGE Auto Washing machine SAMSUNG s Guide Line Market Claim Capacity 4 5 cu ft Feature Code 6 Best Hot Cold Water D Inverter Motor Pump R Tempered Glass Project HD HUDSON Color SU Ultra Inox CBU Buyer AA USA Hudson Washer indb 35 2012 03 28 9 46 05 ...

Page 38: ...latformor Series Sub Plat or Ver W A 4 5 6 D R H D W R A A Product type CAN NOT CHANGE Auto Washing machine SAMSUNG s Guide Line Market Claim Capacity 4 5 cu ft Feature Code 6 Best Hot Cold Water D Inverter Motor Pump R Tempered Glass Project HD HUDSON Color WR Neat White CBU Buyer AA USA Hudson Washer indb 36 2012 03 28 9 46 05 ...

Page 39: ...latformor Series Sub Plat or Ver W A 4 2 2 P R H D W R A A Product type CAN NOT CHANGE Auto Washing machine SAMSUNG s Guide Line Market Claim Capacity 4 2 cu ft Feature Code 2 Good Hot Cold Water P Inverter Motor Pump R Tempered Glass Project HD HUDSON Color WR Neat White CBU Buyer AA USA Hudson Washer indb 37 2012 03 28 9 46 06 ...

Page 40: ...2 Platformor Series Sub Plat or Ver W A 4 0 0 P J H D W R A A Product type CAN NOT CHANGE Auto Washing machine SAMSUNG s Guide Line Market Claim Capacity 4 0 cu ft Feature Code 0 Basic Hot Cold Water P Inverter Motor Pump J Jog Dial Project HD HUDSON Color WR Neat White CBU Buyer AA USA Hudson Washer indb 38 2012 03 28 9 46 06 ...

Page 41: ...ica gspn3 samsungcsportal com China china samsungportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law 2012 Samsung Electronics Co Ltd All rights reserved Printed in China Code No DC68 02879A Hudson Washer indb 39 2012 03 28 9 46 06 ...

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