Samsung WF448AAP/XAA Service Manual Download Page 16 | Manualshive

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14 _ Removal and Reassembly

Part

Figure

Description

Separating the

Cover_Top and

Panel-Control

(Check Main-PCB

and Sub-PCB)

6. Pull the PANEL-CONTROL towards and then lift it

upwards to separate.

7. Carefully disconnect the three wiring connectors by

hand.

8. Remove the 11 screws holding the PCB and

release the hooks on both sides to remove the

PCB for repair / replacement.

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Summary of Contents for WF448AAP/XAA

Page 1: ...GRACE PROJECT WF511AB GRACE JR PROJECT Model Code WF520ABP XAA WF520ABW XAA WF511ABR XAA 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 WF520ABP ...

Page 2: ... disassembly drawings 12 4 Troubleshooting 23 4 1 Error modes 23 4 2 Corrective actions for each error code 27 5 PCB diagram 33 5 1 Main PCB 33 5 2 Connector and Relay Part Manual Main PCB 34 5 3 Sub 35 5 4 Connector Port Detailed WF520ABP XAA 36 5 5 Sub 1ABR XAA 37 5 6 Connector Port Detailed WF511ABR XAA 38 6 Wiring diagram 39 6 1 Wiring WF520ABP XAA WF520ABW XAA 39 6 2 Wiring diagram WF511ABR X...

Page 3: ...disconnect the power 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 o...

Page 4: ...akage AFTER SERVICING 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...

Page 5: ...not press a control 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 ...

Page 6: ...utlet and measure the 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...

Page 7: ... use of Pure Cycle Deep steam The Deep Steam feature boosts cleaning performance and loosens grime and dirt thus providing superior cleaning results Diamond drum Take gentle care of your fabrics With inside holes 36 smaller than those of conventional drums the diamond drum prevents fabrics from sticking out and consequently being damaged Stylish design The stylish design of this washer blends well...

Page 8: ...stal is available to raise the washer for easier loading and unloading It also offers a built in storage drawer that can hold a 100 oz bottle of detergent Stacking Model No 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 ...

Page 9: ...m A High Overall 38 6 981 mm B Width 27 686 mm C Depth with door open 90º 51 2 1300 mm D Depth 34 1 865 mm Water pressure 20 116 psi 137 800 kpa Weight 110 kg 242 5 lb Capacity 5 0 Cu Ft iec Power consumption Washing 120 V 200 W Washing and heating 120 V 1150 W Spin 120 V 550 W Drain 120 V 80 W Spin revolution rpm 1300 RPM A B D C ...

Page 10: ...RT Yes Heater 900W Yes Yes Yes Diamond Drum Yes Yes Yes Washing Cycle 13 13 12 Delay Wash 24 hrs 24 hrs 24 hrs Tilted Drum 5 5 10 Sound pressure Ave 56 3 dBA Ave 56 3 dBA Ave 57 5 dBA Target Performance MEF 3 02 2 9 2 7 WCF 3 3 3 4 3 4 kWh year 100 kWh year 120 kWh year 162 kWh year Design Control Display LED LCD LCD Frame Color R Tango red W White P Stainless platium W White E Cooper P Stainless ...

Page 11: ...WATER C DC97 15648A 1 Default MANUAL BOOK DC68 02838A 1 Default CAP FIXER DC67 00307A 6 Default HOSE HANGER DC62 10278A 1 Default Note You can purchase additional water supply and drain hoses from a service center For built in models the spanner wrench water supply and drain hoses are not supplied Both the water supply and drain hoses are supplied during the installation ...

Page 12: ...10 _ Features and Specifications MEMO ...

Page 13: ... Motor 1 Balance 5 2 holes of each left and right of the shock absorber 1 Pulley hole Open End wrench 10mm 13mm 19mm Replaceable for the box driver Since the bolt runs idle when the box driver is used use the box driver 17mm Vice pliers Tool to protect the idle and abrasion of the bolt for the box driver Others Driver Nipper Long nose General tools for the after service ...

Page 14: ... removing the rotor requires a lot of strength due to the magnetic force of the Rotor and it may come off suddenly your hand or arm may be injured by the edge of the Stator or Frame Therefore take precaution when separating it You can separate the connector by pressing the navel of the Housing and pulling it outside Motor wire Hall sensor 4 Separate the Motor Wire and Hall Sensor while pressing th...

Page 15: ...ds and remove the 4 screws on the PANEL CONTROL Water valve Noise filter Main PCB Sensor pressure 3 With the top cover removed you will now have access to service the Water pressure sensor EMI Noise Filter Hot and Cold Water Valves Steam ASSY Hose Draw ASSY and Main PCB ASSY 4 Press the Separate button to separate the ASSY DRAWER 5 Disassemble the HOUSING DRAWER from the PANEL CONTROL Push back an...

Page 16: ...anel Control Check Main PCB and Sub PCB 6 Pull the PANEL CONTROL towards and then lift it upwards to separate 7 Carefully disconnect the three wiring connectors by hand 8 Remove the 11 screws holding the PCB and release the hooks on both sides to remove the PCB for repair replacement ...

Page 17: ... Remove the 2 screws holding GUIDE PCB M at BRACKET SPRING R 2 Lift up ASSY PCB M 3 Move the ASSY PCB M at parallel direction 4 Separate 2 hooks 5 After SVC Certainly check the 2 hooks assembled correctly Otherwise COVER PCB M will be disassembled during washing machine running ...

Page 18: ...EVER DOOR including the 3 arrow screws holding the HINGE DOOR 4 Putting and pressing hard a flat head screwdriver into the furrow between COVER DOOR and SUPPORT HINGE 5 Making a semicircle with screwdriver Disassemble the hooks 6 Disassemble the HOLDER GLASS from COVER DOOR Take the DOOR GLASS SUPPORT HINGE HINGE DOOR 4 Check Points for Troubleshooting Check the status of the screws holding the Hi...

Page 19: ...ng along the circle 2 Remove the 2 screws to separate the DOOR LOCK S W 3 Remove the 4 screws at the top of FRAME FRONT 4 Push the lever and pull it towards to open the COVER FILTER 5 Separate the remaining WATER REMOVAL HOSE BLUE from the hook 6 Remove the 2 screw down under Frame Front 7 Press the UPPER PLATE slightly with the screwdriver to separate the FRAME FRONT ...

Page 20: ... to the valves Use the plier to remove the hose Disassembling and Repairing the Water Level Sensor 1 Separate the wire connected the SENSOR PRESSURE 2 Adjust the plastic clip of pressure sensor between two nose of plier then grip and pull the plastic clip with caution Use the long nose plier to push the hook 3 Remove the hose from the SENSOR PRESSURE Disassembling the inside Detergent Box Hold the...

Page 21: ...se connected to the PUMP and then pull the HOSE AIR 4 Separate the Clamp of the hose connected to the PUMP and then pull the HOSE DRAIN 5 Separate the wire connected to the PUMP Removing the Remaining Water If the washing machine works drain the water in the wash tub by selecting the Spin course If the washing machine does not work remove the laundry from the wash tub and scoop the remaining water...

Page 22: ...g FRAME PLATE U 2 Remove the 3 bolts fixing WEIGHT BALANCER and then pull it towards with caution 3 Remove the 4 bolts fixing DAMPER to take ASSY TUB out 4 Remove all wire and hose connected the ASSY TUB 5 Open the cap of SPRING HANGER to take ASSY TUB out 6 Lift the ASSY TUB with two people carefully with holding SPRING HANGER ...

Page 23: ...ate the TUB FRONT and TUB BACK Disassembling the DRUM 1 Separate the ASSY DRUM from TUB remove 6 M10 bolts from the upper ASSY DRUM disassemble the ASSY FLANGE SHAFT 2 Remove 12 screws from the outer sides and then remove the two upper and lower BALL BALANCERS 3 Remove 3 screws from the outer sides and then remove the 3 DRUM LIFTERS ...

Page 24: ...ch manually without using pincers or tweezers When you re assembly the heater make sure to install the Heater exactly onto the Bracket inside the Tub If it is not properly installed it may cause a fire In addition completely insert the packing part into the Tub when assembling it so that the packing part is completely attached onto the Tub 4 Check Points for Troubleshooting 1 Check if the resistan...

Page 25: ...too much laundry etc bE This occurs due to erroneous operating signals from the motor hall sensor The IPM terminal of the main PBA is not connected The DD motor cover is out of place The PCB housing terminal is not connected PBA fault DD motor fault Water Supply Error nF LowWater Pressure ERROR Foreign material is entering the water supply valve The water supply valve terminal is not connected Wir...

Page 26: ...uck or is being pressed continuouly ERROR The Power button is pressed continually for more than 12 seconds A switch is jammed or stuck due to be pressed unevenly due to deformation of the control panel or button This error may occur when the screws that hold the sub PBA in place are tightened too much A button other than the Power button is continually pressed for more than 30 seconds Deformation ...

Page 27: ... of too much detergent Water leakage occurs because the connecting hose to the detergent drawer is connected incorrectly The drain pump filter cover is engaged incorrectly Water leakage occurs at the drain hose The duct condensing holding screws are worn The nozzle diaphragm is engaged in the opposite direction or the rubber packaging is omitted Water leakage occurs because the screws that hold th...

Page 28: ...finished the normal cycle proceeds Sud or SUdS is displayed when too much foaming is detected and End is displayed when the removal of the foaming is finished This is one of the normal operations It is an error for preventing non sensing faults Mems PBA Error Detected 8E1 Front MEMS Sensor Problem ERROR Error detected in the Mems PBA or data error detected Check the wire connections Replace if nec...

Page 29: ... and the connector are connected Checking Part Pink Color Wire Oragne Color Wire Frequency Approx 26 4 KHz with no load Washing Motor Error and Hall Sensor Error 3E E3 bE The Motor is not working properly 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 conn...

Page 30: ...ing 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 directed Check the ...

Page 31: ...or sensing circuit Replace if faulty TYPE 1 Check the door switch Resistance The resistance of 1 and 3 Pin Must be approximately 125Ω dL ERROR The Door was unlocked wh ile the washer was running LO The Door will not unlock ERROR Heater Error Hr ERROR Water Temperature Control Problem Disconnection wire Heater falut Wash thermistor fault Check for connection between wire and heater If wash heater i...

Page 32: ...ace if it does not operate normally DRAIN PUMP TYPE Automatic Drainage Check whether there is any foreign material in the bellows Check for any foreign material such as underwear wires or coins PUMP TYPE Check for any leakage on the base Hose Valve and Tub connections Overflow Error OE Water Supply Problem ERROR Water level sensor fault Freezing in the winter season If the water level sensor has a...

Page 33: ...tional error replace it A tE error occurs Check the connections for the dry heater temperature sensor connector If the dry heater temperature sensor has a functional error replace it Check the connections for the duct condensing temperature sensor connector If the duct condensing temperature sensor has a functional error replace it Unbalance Error dc ERROR Unbalanced load Motor hall sensor fault C...

Page 34: ...32 _ Troubleshooting MEMO ...

Page 35: ...pply the 3 phase drive voltage for the Washing Motor 7 CN3 Hole Sensor Connection Port Detect whether the Washing Motor is working normally Location Part No Function Description 8 CN10 SUB PBA Connection Port Supply power to the Sub PBA and provides a communications function 9 IPM1 Washing Motor Drive IC Switches and supplies the voltages for the motor 10 CN1 Each Load Connection Port The port to ...

Page 36: ...on Sensor LOCK UNLOCK 3 Empty Pin CN7 1 Reactor Connection Port 2 Reactor Connection Port RY13 1 Steam Heater Relay Switch 2 Steam Heater Relay Switch RY13 1 Washing Heater Relay Switch 2 Washing Heater Relay Switch CN11 1 3 3V 2 Chip Select 1 3 Chip Select 2 4 Ouput Signal 5 Input Signal 6 Clock Signal 7 Ground CN3 1 5V 2 Hole Sensor Signal 3 Hole Sensor Signal 4 Ground CN10 1 Communications Port...

Page 37: ...ncoder is operated the menu is closed 2 CN7 MAIN PBA Connection Port For communications with main PBA 3 CN6 Sensor input Sensing the water level and water temperature 4 CN2 Drum Light Turn on when door is opened 5 CN1 GRAPHIC PBA Connection Port For communications with graphic PBA 4 0 3 7 4 5 3 2 6 7 4 6 6 6 D B 2 2 35 g 3 2 D B 1 3 4 2 5 5 ...

Page 38: ...d signal 11 Led signal 12 Buzzer signal 13 Buzzer signal CN2 1 Drum light 2 15V CN10 1 Communications Port Rx 2 Communications Port Tx 3 Reset Signal ouput 4 5V 5 Ground 6 15V 7 Main reset signal from SUB 8 Water level signal from SUB 9 Watchdog signal from SUB 10 Empty pin CN10 1 Door open close singnal 2 Empty pin 3 Empty pin 4 Water temperature signal 5 Ground 6 Water level signal 7 Water level...

Page 39: ...essed or the encoder is operated the menu is closed 2 CN7 MAIN PBA Connection Port For communications with main PBA 3 CN6 Sensor input Sensing the water level and water temperature 4 CN2 Drum Light Turn on when door is opened 5 CN1 GRAPHIC PBA Connection Port For communications with graphic PBA 2 2 35 3 2 2 2 J 7 2 J 1 2 J 1 3 4 2 5 5 ...

Page 40: ...al 11 Led signal 12 Buzzer signal 13 Buzzer signal CN3 1 Drum light 2 15V CN6 1 Communications Port Rx 2 Communications Port Tx 3 Reset Signal ouput 4 5V 5 Ground 6 15V 7 Main reset signal from SUB 8 Water level signal from SUB 9 Watchdog signal from SUB 10 Empty pin CN5 1 Door open close singnal 2 Empty pin 3 Empty pin 4 Water temperature signal 5 Ground 6 Water level signal 7 Water level signal ...

Page 41: ...m _ 39 6 WIRING DIAGRAM 6 1 WIRING DIAGRAM WF520ABP XAA WF520ABW XAA 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 ...

Page 42: ...40 _ Wiring Diagram 6 2 WIRING DIAGRAM WF511ABR XAA 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 ...

Page 43: ...1 7 OHM 2 2 1 N 6 2 1 7 2 2 1 U 6 2 1 3 6 2 1 U 6 2 1 N 6 2 1 73 6 M 2 1 2 7 2 1 2 7 2 1 2 7 2 1 73 6 M 2 1 2 7 2 1 2 7 2 1 2 7 2 1 73 6 M 2 1 2 7 2 1 7 2 2 1 2 7 2 1 2 7 2 1 2 7 2 1 73 U 6 2 1 UPD70F3454GC MICOM1 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 100 99 98 97 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 96 95...

Page 44: ...Y1 LED_0 MT_OP MT_KEY2 LED_1 LED_2 LED_3 WP MT_OP MT_KEY2 MT_KEY1 GND MT_COM0 MT_COM1 MT_COM2 MT_COM3 MT_COM4 7 2 2 1 N 6 2 1 7 2 2 1 6 N 2 1 15_IS 2 7 2 1 7 2 2 1 37 6 M M 6 37 MAIN_RELAY_WATCHDOG MAIN_RESET 7 6 WATER_LEVEL_TO_MAIN M_SW WATER_Lv 6 M 37 37 6 M 37 6 M 37 6 M DRY_AIR_T 37 6 M 6 M 37 37 6 M 37 6 M 37 6 M 6 M 37 LED_4 LED_3 GND 73 6 M 2 1 M 6 73 2 1 73 6 M 2 1 M 6 73 2 1 73 6 M 2 1 M ...

Page 45: ... W U W X X Y W W W T Y X _ Z U Y X X Y W W W T Y X _ Z U X X Y W W W T Y X _ Z W U X X Y W W W T Y X _ Z W U W X X Y W W W T Y X _ Z W U W X X Y W W W T Y X _ Z W U X X Y W W W T Y X _ Z U Y X X Y W W W T Y X _ Z _ q q W W Y q X q q X q Z q X X q q X q Z Y q 2 2 J 7 2 J Y q Z q _ Y q q q q X Z q X q X q Z q q q q X q qX_ Y q _ q W q Y X q W X q Y q 1 2 J Y q Y q Z Z q W Z q Y q ...

Page 46: ...m M 6 3 37 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 Z 03 0 2 1 BUZZER_1 BUZZER_2 BUZZER_1 BUZZER_2 7 4 3 7 7 7 4 Sub Graphic This Document can not be used without Samsungs authorization ...

Page 47: ...urope samsungportal com China http china samsungportal com Asia http asia samsungportal com Mideast Africa http mea 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 2010 Samsung Electronics Co Ltd All rights reserved Printed in Korea Code No DC68 02824A ...

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