Samsung WW7-T Series Service Manual
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Samsung WW7-T Series Service Manual

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SERVICE
WASHING MACHINE (DRUM)
WASHING MACHINE
DRUM TYPE
The model code is on the next page.
Manual
CONTENTS
1. Safety Instructions
2. Features and Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
6. Reference
R E PAI R G U IDE

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Summary of Contents for Samsung WW7-T Series

  • Page 1 WASHING MACHINE DRUM TYPE The model code is on the next page. SERVICE Manual R E PAI R G U IDE WASHING MACHINE (DRUM) CONTENTS 1. Safety Instructions 2. Features and Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Wiring Diagram 6. Reference...
  • Page 2 MODEL CODE WW7*T****** WW8*T****** WW9*T****** WW70T301MBW WW80T301MBS WW90T304MBW WW70T301MWW WW80T301MBW WW90T304MWW WW70T302MBS WW80T301MWW WW90T304PWW WW70T302MBW WW80T304MBS WW91T304MBW WW70T302MWW WW80T304MBW WW9FT304PWW WW70T303MBS WW80T304MWW WW70T303MBW WW80T304PWW WW70T303MWW WW81T301MWW WW70T304MBW WW81T304MWW WW70T304MWW WW81T304PWW WW70T304PWW WW8ET304PWW WW71T301MWW...

  • Page 3: Table Of Contents

    CONTENTS 1. Safety instructions ............... . . 1 1-1.

  • Page 4: Safety Instructions

    1. SAFETY INSTRUCTIONS 1-1. SAFETY INSTRUCTIONS ► Make sure to observe the following instructions to operate the product correctly and safely and prevent possible accidents and hazards while servicing. ► Two types of safety symbols, Warning and Caution, are used in the safety instructions. Hazards or unsafe practices that may result in severe personal injury or death. WARNING Hazards or unsafe practices that may result in minor personal injury or property damage. CAUTION ► Following the repair by a non-authorised service provider, self-repair or non-professional repair of the product, Samsung is not liable for any damage to the product, any injury or any other product safety issue caused by any attempt to repair the product which does not carefully follow these repair and maintenance instructions. Any damage to the product caused by an attempt to repair the product by any person other than a Samsung certified service provider will not be covered by the warranty. BEFORE SERVICING WARNING • (When servicing electrical parts or harnesses) Make sure to disconnect the power plug before servicing. 4 Failing to do so may result in a risk of electric shock. • Advise consumers not 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 or power outlet and result in fire or electric shock. • When the washing machine is not being used, make sure to disconnect the power plug from the power outlet. 4 Failing to do so may result in result in accidental operation of the washing machine.
  • Page 5 WHILE SERVICING WARNING • Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded. 4 If faulty, replace it immediately. Failing to do so may result in electric shock or fire. • Completely remove any dust or foreign material from the housing, wiring and connection parts. 4 This will prevent a risk of fire due to tracking and shorts in advance. • When connecting wires, make sure to connect them using the relevant connectors and check that they are properly connected. 4 Do not use tape instead of the connectors, it may cause fire due to tracking. • Make sure to discharge the PBA power terminals 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 after ensuring 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 repair the washing machine without safety gloves. 4 It can cause injury. AFTER SERVICING WARNING • Check the wiring. 4 Ensure that the wiring can not be damaged by any sharp edges or moving parts. • 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.
  • Page 6 BEFORE SERVICING CAUTION • Do not sprinkle water onto the washing machine directly when cleaning it. 4 This may result in electric shock or fire, and may shorten the product lifetime. • Do not place any containers with water or any other liquid on the washing machine 4 If the water is spilled, it may result in electric shock or fire. This will also shorten the product lifetime. • Do not install the washing machine in a location exposed to snow or rain. 4 This may result in electric shock or fire, and shorten the product lifetime. • Do 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 CAUTION • 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 or harnesses. 4 If any liquid has entered into a part, replace it or completely remove any remaining moisture from it. • If you need to place the washing machine on its back for servicing purposes, place a support(s) on the floor and lay it down carefully so its side is on the floor. 4 Do not lay it down on its front. This may result in the inside tub damaging parts. • At least two people should work when working with heavy products. Safety Instructions _ 3...

  • Page 7: Features And Specifications

    500 W 500 W WW9*T304*** WW9*T302*** WW8*T304*** WW8*T302*** WW7*T304*** WW7*T302*** WW9*T303*** WW9*T301*** WW8*T303*** WW8*T301*** WW7*T303*** WW7*T301*** Spin revolutions 1400rpm 1200 rpm 1400rpm 1200 rpm 1400rpm 1200 rpm - Please visit Samsung official website to receive most up-to-date information about software and product maintenance. Model WW7*T30*** WW8*T301*** WW9*T304*** Width (A) 595 mm Height-Overall (B) 850 mm Depth (C) Depth with door open 90° (D) 4 _ Features and Specifications...

  • Page 8: Comparing Specifications With Existing Models

    2-2. COMPARING SPECIFICATIONS WITH EXISTING MODELS (★) : Special models only Project WW3000TM Model Name WW9*T304*** WW8*T30**** WW7*T30**** Image Feature Capacity 9.0kg 8.0 kg 7.0 kg Drum Volume 60 L 53 L 49 L Max Rpm 1400 rpm 1400 / 1200 rpm 1200, 1400 / 1200, 1400 rpm Motor DIT / Universal DIT / Universal Control Sys...

  • Page 9: Accessories

    2-3. ACCESSORIES Figure Unit Code Description To remove the shipping bolts Bolt Spanner To adjust the leveling leg Assy Hose Water Cold only 1 (★) To setup water supply. Hose Water 1(★) To setup water supply. (Aqua-Stop) Cap Fixer To cover the holes. Hose Hanger To secure the drain hose. Note • (H) is supplied for specific models only among those without water supply hoses. • Customer can purchase additional water supply and drain hoses from a service center. • For built-in models, the spanner, water supply and drain hoses are not supplied. Both the water supply and drain hoses are supplied during the installatio. 6 _ Features and Specifications...

  • Page 10: Disassembly And Reassembly

    3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY Tool Type Remarks 10mm Heater(1),Tub(12), Fixer screw(4), Motor(2), Shock Absorber (3 holes each in left/right), Box driver 13mm Damper(3), Damper(friction 2), Balance(6) 17mm Pulley(1) 10mm Replaced by box driver Double-ended 13mm spanner 17mm A Tool for protecting empty turning of bolt or abrasion from using box driver Vice pliers For disassembly of Spin drum Others Common tools for servicing (screwdriver, nipper, long nose pliers) Torque wrench The Tool for assembly of heater and Tub - For information about purchasing parts and tool, please visit http://www.samsung.com/support - For the part code information, please refer the attached file 'Exploded View'. Disassembly and Reassembly _ 7...

  • Page 11: Standard Disassembly Drawings

    3-2. STANDARD DISASSEMBLY DRAWINGS ► This is a standard disassembly diagram and may differ from the actual product. Use this material as a reference when disassembling and reassembling the product.  Disassembly Part Figure Description 1. Remove 2 screws holding the Cover Top at the back of the unit using (+) screw driver. Assy Cover Top Back Front 2. Remove the Cover Top by lifting it up after pulling it back about 15mm. 1. Open the Drawer by hand. Assy Drawer 2. While holding down the release lever inside the Drawer (red box), slide open the Drawer. 3. Pull up the Cap Rinse to remove it. 8 _ Disassembly and Reassembly...
  • Page 12  Reassembly Part Figure Description 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. Assy Drawer 3. Insert the Drawer as shown in the picture. Disassembly and Reassembly _ 9...
  • Page 13  Disassembly Part Figure Description 1. Remove 2 screws holding the Drawer and Panel using (+) screw driver. 2. Remove the 2 screws at the top of the Assy Panel Control using (+) screw driver. 3. If you hold the Panel and pull it forward, the Hook will come off and the Panel will be separated. Be careful not to break the Hook. Assy Panel Control 4. Remove the Connector while pressing the Hook on the 7 Connectors inserted in the PBA of the Assy Panel. 5. Remove the Cable Tie that is fixed in two places as shown in the picture. 10 _ Disassembly and Reassembly...
  • Page 14  Reassembly Part Figure Description 1. Insert the 7 Wire Connectors into PBA and fix the 2 Cable Ties. Make sure the Hook is locked properly. 2. Assemble the Assy Panel Control to the product. Assy Panel Control 3. Assemble the 2 screws on both sides of the Assy Panel Control. 4. Assemble 2 screws holding the Drawer and Panel with (+) screw driver. Disassembly and Reassembly _ 11...
  • Page 15  Disassembly Part Figure Description 1. Separate the Clamp. 2. Remove the Hose Drawer Tub fixed to the Assy Housing-Drawer. Assy Housing-Drawer 3. Separate the Clamp fixed to the Tub. 4. Remove the 2 Connectors and 2 screws fixed to the Water Valve. 12 _ Disassembly and Reassembly...
  • Page 16 Part Figure Description 1. Separate the all Clamps. Assy Housing-Drawer 2. Separate the 6 Hooks from both sides of Housing-Drawer. Be careful not to break the Hook. Disassembly and Reassembly _ 13...
  • Page 17  Reassembly Part Figure Description 1. Assemble the 6 Hooks on both sides of Housing-Drawer. 2. First, assemble the Hose to the Water Valve and Assy Housing-Drawer Housing-Drawer and then fix the Clamps. 3. After mounting the Assy Housing-Drawer on the product, assemble the 2 Connectors and 2 screws on the Water Valve. 14 _ Disassembly and Reassembly...
  • Page 18 Part Figure Description 4. Assemble the Hose Drawer Tub to Assy Housing-Drawer. Assy Housing-Drawer 5. Assemble the Clamp. Disassembly and Reassembly _ 15...
  • Page 19  Disassembly Part Figure Description 1. Separate the Assy Cover Top. 2. Separate the 2 Connectors and Clamps by hand and remove 2 Hoses with long nose pliers. Water Valve 3. Remove the 2 screws holding the Water Valve using (+) screw driver.  Reassembly Part Figure Description 1. Assemble the 2 screws holding the Water Valve using (+) screw driver. Water Valve 2. Assemble the 2 hoses to the water valve using long nose pliers. 3. Assemble the 2 Clamps and 2 Wire Connectors as shown in the picture. Make sure the Hook is locked properly. 16 _ Disassembly and Reassembly...
  • Page 20  Disassembly Part Figure Description Before you start, disassemble Assy Cover Top, Assy Panel Control. Be careful not to tear up the Diaphragm. 1. Using long nose pliers, pick up one of the rings on Wire-Diaphragm which connect the spring and the wire ends. Then, separate the Wire- Diaphragm from the Frame Front. 2. Remove the 2 screws from the top and 3 screws from the bottom. Frame Front 3. Separate the Connector of Door S/W fixed inside the Frame Front. Disassembly and Reassembly _ 17...
  • Page 21 Part Figure Description 4. Remove the 2 screws and separate the Assy Door. 5. Separate the Door S/W by pressing the molded object above and below Door S/W. Frame Front 6. Open the Hook on the upper part of the Filter Cover by pressing it down with a (-) screw driver or a pointed tool. 7. Separate the 8 hooks fixed to the Frame Front. 18 _ Disassembly and Reassembly...
  • Page 22  Reassembly Part Figure Description 1. Assemble the 8 Hooks by checking the direction of the Guide Filter. 2. After fixing the Cover Filter to the lower 2 places of the Guide Filter, press the upper part to assemble. Frame Front 3. Assemble by pressing Door S/W in line with Frame Front groove. 4. Assemble by fastening 2 screws to Assy Door. Disassembly and Reassembly _ 19...
  • Page 23 Part Figure Description 5. Fasten the 5 screws in the upper 2 places and the lower 3 places. Frame Front 6. Assemble the Door Diaphragm on Frame Front. 7. Fix the Clamp. 20 _ Disassembly and Reassembly...
  • Page 24  Disassembly Part Figure Description Open the Door. Remove the 2 screws fixed to the Frame Front and Door using a (+) screw driver. Assy Door Remove 10 screws using a (+) screwdriver, and remove by inserting an awl into the Holder. Disassembly and Reassembly _ 21...
  • Page 25 Part Figure Description Remove 4 screws with (+) screw driver and disassemble the Door Hinge and Door Lever Assy Door assembled in Holder and then separate the Door Glass from Holder Glass Hook. 22 _ Disassembly and Reassembly...
  • Page 26  Reassembly Part Figure Description Insert the Door Glass into the Holder Glass to fit the groove and fasten the door lever with two screws and then assemble the Hinge Door to Holder and fasten with 2 screws. Assemble the Cover Door to Holder Glass and fasten the 10 screws. Assy Door Assy Door is assembled to Frame Front by fastening 2 screws. Disassembly and Reassembly _ 23...
  • Page 27  Disassembly Part Figure Description Before you start, disassemble Assy Cover Top, Assy Panel Control. Be careful not to tear up the Diaphragm. 1. Using long nose pliers, pick up one of the rings on Wire-Diaphragm which connect the spring and the wire ends. Then, separate the Wire- Diaphragm from the Frame Front. Remove the 2 screws from the top and 3 screws from the bottom. Door-Lock S/W Separate the Door S/W by pressing the molded object above and below Door S/W. Separate the Connector of Door S/W fixed inside the Frame Front. 24 _ Disassembly and Reassembly...
  • Page 28  Reassembly Part Figure Description Insert the Connector of Door Lock S/W. Insert the 2 Holders of Door Lock S/W into the Hole of Frame Front. Door-Lock S/W Fasten the 5 screws in the upper 2 places and the lower 3 places. Disassembly and Reassembly _ 25...

  • Page 29: Troubleshooting

    4. TROUBLESHOOTING 4-1. INFORMATION CODE ► When an abnormal condition occurs, melody sounds and displays Info. code indications as shown in the following Info. codes are shown until the status has cleared. Information Information Type Causes Corrective Actions Code - Inlet valve failure • Replace the water inlet valve - T he computer board is faulty (the SCR of the water inlet valve • Replace computer board...
  • Page 30 Information Information Type Causes Corrective Actions Code • C heck if the door is closed properly - The door is not closed • R eplace the door detection switch - Micro switch failure • C heck if the wiring harness terminals - T he terminal is not plugged in or the wiring harness is faulty are firmly connected or replace - Computer board failure • Replace computer board DOOR • C heck if the door is closed properly - The door is not closed • R eplace the door lock - Door lock failure • C heck if the wiring harness terminals - T he terminal is not plugged in or the wiring harness is faulty are firmly connected or replace - Computer board failure (triac failure) • Replace computer board • C heck whether the wiring harness...

  • Page 31: Problem Check Point

    4-2. PROBLEM CHECK POINT PROBLEM SOLUTION • Make sure the washing machine is plugged in. • Make sure the door is properly closed. The washing machine won’t start. • Make sure the water tap is open. • Tap Start or Press Start/Pause button again. • Open the water tap fully. • Make sure the water supply hose is not frozen. Water supply is insufficient, or no water is supplied. • Make sure the water supply hose is not kinked or clogged. • Clean the filter on the water supply hose. • M ake sure the washing machine is installed on a level floor. If the floor is not level, use the leveling feet to adjust the level. The washing machine vibrates badly, or • Make sure that the shipping bolts are removed. makes noise. • Make sure the washing machine is not touching any other object. • Make sure the laundry load is balanced. • Make sure the drain hose is straightened all the way to the drain system. The washing machine does not drain and/or spin. • Make sure the debris filter is not clogged. • Press the Start/Pause button to stop the washing machine. • T he door stays locked as long as the washing machine is still hot inside after a The door won’t open. heating operation.

  • Page 32: Wiring Diagram

    5. WIRING DIAGRAM 5-1. WIRING DIAGRAM ► This Document can not be used without Samsung’s authorization. n REFERENCE INFORMATION BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKYBLU SKYBLUE VIOLET WHITE YELLOW Wiring Diagram _ 29...

  • Page 33: Reference

    6. REFERENCE 6-1. WW3000TM PROJECT NAME WW 90 Product Type Capa Feature1 Feature2 Door Body Buyer name Code Content Code Content Code Year Code Panel Code MOTOR RPM Code Feature Code Door Code Body Code WW Washer 2020 Basic 1200 Non-functional WHITE WHITE...

  • Page 34: Terminology

    6-2. TERMINOLOGY The pump that drains the water from the washing machine generated while the washing 1. Drain Pump machine is running. The heater is located on the tub inside the washing machine. 2. Heater It heats the water to increase wash efficiency. Detects whether the door of the washing machine is open or closed if the door is open while 3. Door Lock Switch the washing machine is running the cycle is temporary stopped. Reference _ 31...
  • Page 35 GSPN (GLOBAL SERVICE 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 This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2021 Samsung Electronics Co.,Ltd. All rights Any unauthorized use of Manual can be punished under applicable reserved. International and/or domestic law. Printed in Korea...

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