Samsung WW70A6S28AE Service Manual Download Page 3

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CONTENTS

1. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1-1. Safety instructions for service engineers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Features and Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2-1. Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2-2. Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2-3. Comparing specifications with existing models

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2-4. Options specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3. Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3-1. Tools for disassembly and reassembly

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3-2. Standard disassembly drawings

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4-1. Information Code

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4-2. Problem check point

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

5. Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

5-1. Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

6. Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6-1. WW6100A Project name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6-2. Terminology

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Summary of Contents for WW70A6S28AE

Page 1: ...NE DRUM CONTENTS SERVICE Manual The model code is onthe next page 1 SafetyInstructions 2 Features and Specifications 3 Disassemblyand Reassembly 4 Troubleshooting 5 Wiring Diagram 6 Reference REPAIR GUIDE WW70A6S28AE WW70A6S28AN WW70AFS28AE ...

Page 2: ...WW70AFS28AX WW80A6L28BE WW80AFS28AX WW70A6S23AT WW80A6L28BX WW70A6S23AW WW80A6S24AE WW70A6S23AX WW80A6S24AN WW70A6S23PE WW80A6S24AW WW70A6S23PN WW80A6S24AX WW70A6S23TW WW80A6S28AE WW70A6S28AE WW80A6S28AN WW70A6S28AN WW80A6S28AT WW70A6S28AT WW80A6S28AX WW70A6S28AW WW80A6S28TE WW70A6S28AX WW70A6S28TW ...

Page 3: ...ing specifications with existing models 8 2 4 Options specifications 10 3 Disassemblyand Reassembly 11 3 1 Tools fordisassembly and reassembly 11 3 2 Standard disassembly drawings 12 4 Troubleshooting 41 4 1 Information Code 41 4 2 Problem check point 45 5 Wiring diagram 46 5 1 Wiring Diagram 46 6 Reference 47 6 1 WW6100A Project name 47 6 2 Terminology 48 ...

Page 4: ...mage to the product caused by an attempt to repairthe product by any person otherthan a Samsung certified service providerwill not be covered by the warranty WARNING BEFORE SERVICING When servicing electrical parts orharnesses Make sure to disconnect the powerplug before servicing 4 Failing to do so may result in a risk of electric shock Advise consumers not to connect several appliances to a sing...

Page 5: ... before starting the service 4 Failing to do so may result in a high voltage electric shock When replacing the heater make sure to fasten the nut afterensuring that it is inserted into the bracket heater 4 If not inserted into the bracket heater it touches the drum and causes noise and electric leakage Do not repairthe washing machine without safety gloves 4 It can cause injury WARNING AFTER SERVI...

Page 6: ... tool orobject 4 This may result in electric shock ordamage to the product CAUTION WHILE SERVICING When wiring a harness make sure to seal it completely so no liquid can enter 4 Take care when disconnecting connectors do not use excessive force as this may damage the connector Check if there is any residue that shows that liquid entered the electric parts orharnesses 4 If any liquid has entered in...

Page 7: ... MΩ setting The resistance reading should not be less than10MΩ 4 Test 5 Earth Leakage test Measurement of protective conductorcurrent The leakage current reading should be less than 3 5mA 4 Test 6 Touch Current test The touch current reading should be less than 0 5 mA 4 Test 7 Function Test Testmeterrequiredspecifications Sockettester polarityandearth Thetestcurrentwithinthemeasuringrangebetween 0...

Page 8: ...orsheerfabrics bras lingerie silk and otherhandwash only fabrics Forbest performance use liquid detergent Towels Forbath towels washcloths and mats Bedding Forbed spreads bed sheets bedding covers etc Forbest results wash only1 type of bedding Shirts Forshirts blouses that are made of cotton synthetic fiber Hygiene Steam Cotton and linen fabricwhich have been in direct contactwith the skin such as...

Page 9: ...running an additional spin process to effectively remove moisture from laundry Drum Clean applicable models only Cleans the drum by removing dirt and bacteria from it Cleans the rubberdoorgasket by removing dirt from the gasket Perform once every 40 washes with no detergent orbleach applied Notification message appears afterevery 40 washes Make sure the drum is empty Do not use any cleaning agents...

Page 10: ...spin capacity 7 0kg 8 0kg 7 0kg 8 0kg 7 0kg 8 0kg Power consumption Washing 220V 150W 240V 150W Washing and heating 220V 2000W 240V 2400W Spin 220V 240V 600W PUMPING 30W Spin revolutions 1200 please visit Samsung official website to receive most up to date information about software and product maintenance Model WW70A 2 WW80A 2 Width A 600mm Height Overall B 850mm Depth C 450 mm Depthwith dooropen...

Page 11: ...X Design DISPLAY Full Touch Basic Basic Basic DOOR Basic Basic Basic Basic BODY COLOR White Inox White Inox Black White Inox Black White Inox Black Drum Swirl Swirl Swirl 1st Diamond Special features Smart Check X X X X Drum Light X X X X Alarm Off O O O O Ceramic Heater Optional Optional Optional Optional OverVolt Control O O O O Safety Child Lock O O O O Anti Foam Control O O O O Aqua Stop Hose ...

Page 12: ... Touch Basic Basic DOOR Basic Basic Basic Basic BODY COLOR White Inox Black White Inox White Inox Black White Inox Black Drum Swirl 1st Diamond 1st Diamond Swirl Special features Smart Check X X X X Drum Light X X X X Alarm Off O O O O Ceramic Heater Optional Optional Optional Optional OverVolt Control O O O O Safety Child Lock O O O O Anti Foam Control O O O O Aqua Stop Hose Leakage Sensor Option...

Page 13: ...nual Users DC98 04789 To explain the product operation and installation 1 5 Cap Fixer DC67 00307A To coverthe holes 4 6 Hose Hanger DC62 10278A To secure the drain hose 1 7 Guide Liquid DC61 03510A To use liquid detergent 1 Note H is supplied forspecific models only among those without watersupply hoses Customercan purchase additional watersupply and drain hoses from a service center Forbuilt in m...

Page 14: ... 1 Double ended spanner 10mm 13mm 19mm Replaced by box driver Leg Vice pliers A Tool forprotecting empty turning of bolt or abrasion from using box driver Fordisassembly of Spin drum Others screwdriver nipper long nose pliers Common tools forservicing Torque wrench The Tool forassembly of heaterand Tub Forinformation about purchasing parts and tool please visit http www samsung com support Forthe ...

Page 15: ...d reassembling the product Disassembly Part Figure Description AssyCoverTop 1 Remove 2 screws holding the CoverTop at the back of the unit using screw driver BACK FRONT 2 Remove the CoverTop by lifting it up after pulling it back about15mm AssyDrawer 1 Open the Drawerby hand 2 While holding down the release leverinside the drawer red box slide open the drawer 3 Pull up the Cap Rinse to remove it ...

Page 16: ...mbly _13 Reassembly Part Figure Description AssyDrawer 1 Fit the hole and press the Cap Rinse so that it can be assembled 2 Make sure to fit the rail when reassembling the Assy drawer 3 Put the drawerin the right direction ...

Page 17: ... CONTROL using screw driver 3ea 3 Grab the panel and slightly push the housing drawerto remove the hook and pull the panel upwards to disassemble with body Be careful not to break the hook 4 Remove thrfourscrews holding the pcb and release the hooks on both sides to remove the forrepair 5 Hold the ASSY PANEL CONTROLwhile pulling it upwards and disassemble the terminal to remove it Press the hook w...

Page 18: ...nel Control Simple 6 Disassemble the blue part hook first by hand and remove red part hooks by screw driverto remove the PBA forrepair replacement FRONTSIDE BACK SIDE 7 Disassemble Knob Encoderby removing green hooks using Driver Be careful not to break the hook ...

Page 19: ...d part hooks and blue part hook by hand The blue part hook will showyou the right directionality Be careful not to break the hook 2 The direction of the PBA is shown by blue box Button up the below box as shown by hand Same as D Direction 3 Make sure to fit the knob shaft while assembling Knob Encoderby hand ...

Page 20: ...he right place Be careful not to break the hook Make sure the Wire harness are not getting stuck in otherparts 5 Assemble PCB to both hooks and assemble 4 screws with screws 6 Assemble the hook of housing drawerand aseemble screws at the top of the ASSY PANEL CONTROLwith screw driver 7 Assemble 2 screws holding the drawerand panel with screw driver ...

Page 21: ...tion AssyHousing Drawer Before you start disassemble Assy CoverTop Assy Panel Control 1 Remove 4 screws to disassemble frame plate up using screw driver 2 Remove the Band ring 2ea Be careful not to break the hose 3 Separate the watervalve hose with long nose plier ...

Page 22: ...lyand Reassembly _19 Part Figure Description AssyHousing Drawer 4 Separate Housing Drawerlow by pressing the hooks on both sides by hand To fully separate disassemble WaterValve Be careful not to break the hook ...

Page 23: ...rawerlow by pressing the hooks on both sides by hand Be careful not to break the hose 2 Assemble the watervalve hose with long nose plier Be careful not to break the hook Make sure to insert the hoses and assemble the clamp band rings correctly There re risks of leakage orpoorperformancewhen it s misassembled ...

Page 24: ... AssyHousing Drawer 3 Assemble the Band rings 2ea Make sure to insert the hoses and assemble the clamp band rings correctly There re risks of leakage orpoorperformancewhen it s misassembled 4 Remove 4 screws to disassemble frame plate up using screw driver ...

Page 25: ...holding the watersupply valve using screw driver Reassembly Part Figure Description WaterValve 1 Assemble 2 screws holding the watersupply valve using screw driver 2 Assemble the watersupplyvalve wire with connections and assemble 3 clamps with the right color 3 Assemble 3 hoses with valve using long nose pliers Make sure the hook is locked properly Make sure the Wire harness are not getting stuck...

Page 26: ...ct the spring and the wire ends Then separate the Wire Diaphragm from the FRAME FRONTand Disconnect the Diaphragm 2 Remove 2 screws holding the DOOR LOCK switch with screw driver 3 Disassemble the terminal the blue box is terminal location by pressing the blue circle part and remove 2 screws holding the Frame Front with screw driver 4 Press the circled place to open up the cover filter 5 Remove 3 ...

Page 27: ...filter using screw driver Be careful not to break the hook 8 Pull the Guide filtertowards you 9 Lift Frame front up to disassemble Cover Back Unfasten 6 Depending on the model there can be 4 screws screws that hold the coverback in place with screw driver Remove the back coverby sliding it up When assembling slide the back coverdown ...

Page 28: ...yourbody and slowly rotate the pulley Be careful not to getyourfingerpinched Reassembly Part Figure Description Belt 1 Assemble the belt around the motorpulley and slowly rotate the pulley Be careful not to getyourfingerpinched Caution When installing the Belt around the Motor Pulley the bottom of the belt must be located on the second tooth of the MotorPulley ...

Page 29: ...y Disassembly Part Figure Description Leakage Sensor Option Before you start disassemble the Cover Back 1 Disconnect two wire connectors 2 Remove 4 screws at the bottom of set using screw driver 3 Remove 2 screws using screw driver ...

Page 30: ...r Separate the Assy CoverTop 1 Disconnect the wire and hose between the PRESSURE HOSE and the waterlevel sensorfor repair replacement 2 Push the clip of the waterlevel sensorfrom one side of the frame and pull it out to remove it using long nose pliers Be careful not to break the hook ...

Page 31: ... and hose between the PRESSURE HOSE and the waterlevel sensor 2 Push the clip of the waterlevel sensorto fit the hole located on the right side of the frame 3 Assemble the terminal with waterlevel sensor Make sure the hook is locked properly Make sure the Wire harness are not getting stuck in otherparts ...

Page 32: ...Disassemblyand Reassembly _ 29 Disassembly Part Figure Description Drain Pump Before you start disassemble Assy CoverTop Assy Panel Control and Frame Front The pump is located in the blue box ...

Page 33: ...hose to catch anywaterthat may flow out 2 Remove 2 screws holding the drain pump using screw driver FRONT BACK 3 Remove the coveron the top and on the back by hand 4 Disconnect the terminals 2ea each Total 4ea 5 Release the Band Ring 3ea and remove the hose 3ea using long nose pliers Slightly press the handle filterand take the pump out from the frame ...

Page 34: ... towards you Be careful not to rip the drainage hose 2 Assemble 2 screws holding the drain pump using screw driver 3 Assemble the Band Ring 3ea and the hose 3ea using long nose pliers 4 Connect the terminals 2ea each Make sure the Wire harness are not getting stuck in otherparts FRONT BACK 5 Assemble the coveron the top and on the back 6 Assemble the drainage hose ...

Page 35: ... Reassembly Disassembly Part Figure Description Door Lock S W 1 Remove the 2 screws holding the DoorHinge and separate the door 2 Remove the 7 screws holding the HolderGlass separate the HolderGlass and replace the hinge ...

Page 36: ...e you start disassemble Assy CoverTop and Assy Panel Control 1 Open the Door Remove the Wire Diaphragm and remove the Frame Front 2 Remove 2 screws with screw driver 3 Remove CoverDoorSwitch by gently pushing the red box part with screw driver 4 Disassemble the terminals 2ea ...

Page 37: ...etting stuck in otherparts 3 Assemble the screws with screw driver 2ea 4 Assemble the wire diaphragm and Frame Front If the wire diaphragm is loose afterassembly oris not correctly assembled at the correct position 5 o clock or7 o clock waterleakage may occur Howto force open the locked Door Part Figure Description Door Lock S W Before you start disassemble CoverTop first 1 Put yourhand to press t...

Page 38: ...sassembly Part Figure Description Heater 1 Separate the CoverBack The Heateris located in the blue box 2 Separate the Connection Housing 4ea and Holder 3 Remove the nut holding the heaterand separate the heaterusing the10mm box driver ...

Page 39: ...Reassembly Part Figure Description Heater 1 Assemble the heaterand using the10mm box d ssemble the nut holding the heater 2 Connect the Connection Housing 4ea and Holder Make sure the Wire harness are not getting stuck in otherparts ...

Page 40: ..._ 37 Disassembly Part Figure Description Thermostats 1 Separate the CoverBack The Heateris located in the blue box 2 Separate the Connection Housing 1ea and Holder 3 Remove the thermostat by grabbing a rubber part and pulling it ...

Page 41: ...bly Reassembly Part Figure Description Thermostats 1 Assemble the thermostat by pushing it Yellow Red blue green red 2 Assemble the terminals as shown in the picture Make sure the Wire harness are not getting stuck in otherparts ...

Page 42: ...Disassemble Frame Plate Up by removing 4 screws using screw driver 1 Remove 2 bolts holding damperon both sides using box driver 13mm 2 Grab both side of spring and separate the tub from the frame 3 Remove spring from the tub 4 Disassemble 2 Bolts holding the dampers with box driver 13mm When removing the tub from frame more than two people are required to work ...

Page 43: ...emble 2 bolts with the Tub using13mm Box driver 2 Assemble the spring with Tub 3 Grab both side of spring and assemble the tub with the frame 4 Assemble 2 bolts holding damperon both sides using box driver 13mm When assembling the tub with frame more than two people are required to work ...

Page 44: ...otoroverloadedduetotoomuchlaundry Non sensing PBA fault 3C2 ThemotordrivingerrorfromthePBAisweak Unstablerelayoperation etc 3C3 TheIPMterminalofthemainPBAisnotconnected TheDDmotorcoverisoutofplace 3C4 ThePCBhousingterminalisnotconnected PBAfault DDmotorfault 3 WaterSupply 4C Foreignmaterialisenteringthewatersupplyvalve Thewatersupplyvalveterminalisnotconnected Wiredisconnected Thewarmwaterandrinse...

Page 45: ...ehotwashesbecausethedooris pushedduetoapressuredifferencefrominternal temperaturechanges S WcontactfaultbecauseofLIDTC L transformation Doorlockswitchfault Drainpumpfault Dryductfanmotorfault MainPCBfault dC1 Thedoorlockswitchterminalisconnectedincorrectly Thedoorlockswitchterminalisbroken ThisoccursduetoLowinsualtionofthewiringassy MainPCBfault dC2 ThisoccursifthePowerswitchisturnedon off continu...

Page 46: ...inually Waterissuppliedcontinuallybecauseoffreezingor becausethereisforeignmaterialinthewatersupply valve Thismayoccurwhenthesensorisfaultyorthe pressuretubeisblockedordamaged Waterlevelsensorfault Freezingbywinterseason 12 Temperature Sensor TC1 Thewashingheaterinthetubhasanerror Contacterror temperaturesensorfault Theconnectorisconnectedincorrectlyoris disconnected Ifthewaterlevelsensoroperatesw...

Page 47: ...ccursinthehotwashbecausetheadddooris pushedduetoapressuredifferencefrominternal temperaturechanges S WcontactfaultbecauseofLIDTC L transformation Adddooropen closeswitchfault MainPCBfault DC3 TheAddDoorlockswitchterminalisconnected incorrectly TheAddDoorlockswitchterminalisbroken ThisoccursduetoLowinsualtionofthewiringassy MainPCBfault Adddoorlockswitchfault MainPCBfault 17 Detergent DrawerMotor 6...

Page 48: ... Make sure the laundry load is balanced The washing machine does not drain and orspin Make sure the drain hose is straightened all the way to the drain system Make sure the debris filteris not clogged The doorwon t open Press the Start Pause button to stop the washing machine The doorstays locked as long as the washing machine is still hot inside aftera heating operation It may take several second...

Page 49: ...RAM 5 1 WIRING DIAGRAM 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 ...

Page 50: ...hiteWhite T D silver INOX D silverINOX N Basic Black Black BLACK White E X X XX 3 S Good White White S GoodWhiteWhite G Black INOX BlackINOX X Basic D Silver Inox BLACK White T X X X X 2 S Good Black Black S GoodBlackBlack K Silver INOX SilverINOX C Basic White White BLACK White W X X X XXX 1 S Good White D Silver S GoodWhiteD Silver H BLACK SILVER BLACKSILVER S Basic D Silver Inox BLACK Inox N X ...

Page 51: ...e the washing machine is running 2 Heater The heateris located on the tub inside the washing machine It heats the waterto increase wash efficiency 3 DoorLock Switch Detects whetherthe doorof the washing machine is open orclosed if the dooris open while the washing machine is running the cycle is temporary stopped ...

Page 52: ...pplicable International and ordomestic law 2022 Samsung Electronics Co Ltd All rights reserved Printed in Korea GSPN GLOBALSERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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