Samsung WF326LAS Service Manual
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Samsung WF326LAS Service Manual

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SERVICE

WASHING MACHINE

WF337AAW / WF328AAW
Refer to the service manual in the GSPN (see the rear cover) for the more information.
WASHING MACHINE
DRUM TYPE
Basic Model :
Model Name :
Model Code :
THE FEATURE OF PRODUCT
1. SilverCare Sanitization
2. Extra Large Capacity
3. High Efficiency Energy &
Water Saving
4. Direct Drive Inverter Motor
5. Woolmark Certified
WF326LAS
(FRONTIER1-PJT)
WF337AAW WF337AAL
WF337AAG WF337AAR
(FRONTIER2-PJT)
WF328AAW WF328AAG
WF328AAR
(FRONTIER3-PJT)
WF337AAW/X**
WF328AAW/X**
WF328AAR/X**
Manual

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Summary of Contents for Samsung WF326LAS

  • Page 1: Washing Machine

    WASHING MACHINE DRUM TYPE Basic Model : WF326LAS (FRONTIER1-PJT) Model Name : WF337AAW WF337AAL WF337AAG WF337AAR (FRONTIER2-PJT) WF328AAW WF328AAG WF328AAR (FRONTIER3-PJT) Model Code : WF337AAW/X** WF328AAW/X** WF328AAR/X** SERVICE Manual WASHING MACHINE THE FEATURE OF PRODUCT 1. SilverCare Sanitization 2. Extra Large Capacity 3.

  • Page 2: Table Of Contents

    CONTENTS 1. PRECAUTIONS 1-1. Safety Precautions ....................................1-1 1-2. Precautions upon Installation ..............................1-2 2. PRODUCT SPECIFICATIONS 2-1. FEATURES ......................................2-1 2-2. SPECIFICATIONS OF PRODUCT ..............................2-2 2-3. OVERVIEW OF THE WASHING MACHINE ...........................2-3 2-4. THE COMPARATIVE SPECIFICATIONS OF PRODUCT ......................2-4 2-5. OPTION SPECIFICATIONS ................................2-5 3.
  • Page 3 CONTENTS 8. BLOCK DIAGRAM 8-1. BLOCK DIAGRAM ....................................9-1 9. WIRING DIAGRAM 9-1. WIRING DIAGRAM ..................................10-1 9-2. REFERENCE INFORMATION ................................. 10-2 10. PCB DIAGRAM 10-1. MAIN PCB LAYOUT ..................................11-1 10-2. CONNECTOR & RELAY TERMINALS DESCRIPTION (MAIN PBA) ..................11-2 10-3.

  • Page 4: Precautions

    1. PRECAUTIONS 1-1. Safety Precautions 1. Do not allow the customer to repair the product. ☞ It may cause personal injury or product damage when the unit is serviced by unqualified personnel. 2. Disconnect power to the appliance before servicing. ☞ Be aware of the possibilities of an electric shock. 3. Do not use multi-plug. ☞ Power outlet may be overloaded causing the socket to overheat. 4. Check for any damage on power plug or power outlet. ☞ Replace it immediately if it has problem. (It may cause an electric shock or fire) 5. Make sure the product is properly grouded. ☞ May cause electric shock. 6. Do not clean the product with water. ☞ May cause electric shock / fire or shorten product life. 7. The wiring harness should be free from moisture and connected properly during serving. ☞ It should be proof against any external force. 8. Remove any dust or dirt in the product, wiring section and connections during servicing. ☞ Protect against possibilities of fire due to tracking etc. 9. Check for any water trace on electrical parts, harness, etc. ☞ Replace the parts and/or wipe dry with work towel. 10.Check the assembled status of the parts after servicing. ☞ Check if the product is assembled in the same status as before servicing. 11.Be sure not to pull on the power cord but to unplug it by holding the plug. ☞ Beware of possibility of electric shock or fire when the power cord is damaged. 12.Unplug the power plug from the outlet when the washing machine is not used. ☞ Beware of possibility of electric shock or fire while Electrical Storm. 13.Do not use or put flammable materials (including gasoline, alcohol, thinner etc) around the washing machine.

  • Page 5: Precautions Upon Installation

    1-2. Precautions upon Installation ■ How to Remove Shipping Bolts 1. Remove the screws by using 2. Remove the shipping bolts the supplied spanner. from the back of the unit. 4. Keep the shipping bolts and 3. Fill the holes with the supplied plastic caps.

  • Page 6: Water Drainage

    1-2. Precautions upon Installation ■ Grounding ► Make sure to ground the unit to prevent electric leakage or shock. With a grounded receptacle ► It does not need an additional grounding. Drain hose ■Water Drainage ► Hook the drain hose over the Wash Basin or Laundry Hose guide Tub or plug the end of the drain hose into the Standpipe - Hook the drain hose over the Wash Basin or Laundry...
  • Page 7 1-2. Precautions upon Installation ■ How to Level the Unit 1.Select an installation place. ► Install the unit with 10cm (4˝) or more clearance from its surrounding walls. 2.Check if the unit is leveled. ► If the unit wabbles, adjust the leveling legs.
  • Page 8 1-2. Precautions upon Installation ► Slide your Washer into position. ► Level your Washer by turning the leveling legs in or out as necessary by hand or wrench included with your Washer. When your Washer is level, tighten the nuts using the wrench or (-)driver.

  • Page 9: Product Specifications

    The machine wash wool cycle on the Samsung SilverCare™ machines has been tested and passed the required Woolmark Company specification for machine washable wool products. Fabrics should be washed according to the instructions on the garment label as specified by Woolmark and Samsung. 6. Pedestal with Storage Drawers (Model No : WE357A7W/S/R/L/G) An optional 15”...

  • Page 10: Specifications Of Product

    2-2. SPECIFICATIONS OF PRODUCT TYPE FRONT LOADING WASHER Inches (cm) Inches (cm) DIMENSION A. Height-Overall 38 (96.5) C. Depth With Door Open 90° 51.18˝ (130) B. Width 27 (68.6) D. Depth 31.1˝ (79) WATER PRESSURE 50kPa ~ 800kPa (7.25psi ~ 116 psi) WEIGHT 93kg (205 lb) CAPACITY...

  • Page 11: Overview Of The Washing Machine

    2-3. OVERVIEW OF THE WASHING MACHINE Hot water supply hose Cold water supply hose Detergent drawer Control panel Door Drain Hose Adjustable leg...

  • Page 12: The Comparative Specifications Of Product

    2-4. THE COMPARATIVE SPECIFICATIONS OF PRODUCT Samsung Whirlpool Bosch Item (WF337AA*) (GHW9250M) (WM2432HW) (WFMC6400) (WF328AA*) Capacity (Cu.ft) 3.8 (IEC) 3.8 (IEC) 3.72 (IEC) 2.93 (DOE) Volume of Spinner (ℓ) 93.4 Motor Direct Drive 3-Phase Direct Drive 3-Phase User Interface LCD (red)

  • Page 13: Option Specifications

    2-5. OPTION SPECIFICATIONS Item Item Name Code No. Remark BOLT-SPANER DC60-40146A DC61-10688A (4EA) CAP-FIXER DC61-10688B (2EA) HOSE-WATER(H) DC62-00075A HOSE-WATER(C) DC62-00075B SEAL-WATER DC62-40178A MANUAL-BOOK DC68-02440A...

  • Page 14: Alignment And Adjustments

    4. ALIGNMENT AND ADJUSTMENTS 4-1. GENERAL ERROR FUNCTION Diagnostic Description Corrective Action Display Code The water level fails to drop below the Reset Water Level Go to “ Will Not Drain” Troubleshooting within 15 minutes. Section. Go to “ Will Not Unlock” Troubleshooting Door fails to unlock after 3 attempts. Section.

  • Page 15: Test Mode

    4-2. TEST MODE Test Mode: Each Test Mode for the Frontier 2 Washer is as follows in the coming pages. The test modes indicated by the red arrows are modes unable to get an access once the washing cycle has started due to safety resons. 4-2-1. Quick Test Mode Definition of Quick Test Mode: - Check operation of all LED’s (Verify faulty LED).
  • Page 16 4-2-1. Quick Test Mode Water Valve Test: 1. To enter the Water Valve Test, press the Temp Key while model information is being displayed during the Quick Test Mode. 2. Each time the Temp Key is pressed, it will cycle through the operations on the left flow chart.
  • Page 17 4-2-2. EEPROM Clear Check Definition of EEPROM Clear Mode: - EEPROM initialization. - All course/option settings are to be reset to default values after EEPROM initialization. - When Service arises and it needs PCB replacement, EEPROM should be reset. How to Enter: - The unit needs to be on. - Press Delay Start Key, Signal Key and Power Key at the same time.
  • Page 18 4-2-4. Service Mode Definition of Service Mode: - Service Mode enables service technicians to verify the operation of the washing machine and do troubleshooting. - Service Mode can be entered during all washing cycle without interrupting the cycle except some of test modes. - Various tests can be done with Service Mode.
  • Page 19 4-2-6. Cycle Count Check Mode Definition of Cycle Count Check Mode: - Cycle Count Check Mode is to tally up the number of washings. How to Enter: - To enter the Cycle Count Check Mode, press the Signal Key during Service Mode. (same for all Frontier 2 models.) Cycle Count Check Mode: Activate the Service Mode in advance.
  • Page 20 4-2-8. Fast Time Down Test Mode Definition of Fast Time Down Test Mode: - Fast Time Down Test Mode is to forward the program to the next cycle stage. How to Enter: - To enter the Fast Time Down Test Mode, press the Temp key during Service Mode. Fast Time Down Test Mode: Activate the Service Mode in advance.
  • Page 21 4-2-9. Board Input Test Mode Definition of Board Input Test Mode: - Board Input Test Mode is to display a specified input after a key press. How to Enter: - To enter the Board Input Test Mode, press the Extra Wash key during Service Mode. (same for all Frontier 2 models.) Board Input Test Mode: 1.
  • Page 22 4-2-10. Diagnostic Code Check Mode Definition of Diagnostic Code Check Mode: - Diagnostic Code Check Mode is to bring up the stored diagnostic codes (reference codes for service technicians). How to Enter: - To enter the Diagnostic Code Check Mode with code “d” flashing, press the Silver Care (Rinse Water +) during Service Mode.
  • Page 23 4-2-11. Demo Mode - Demo mode is entered when the Delay Start + Signal + Extra Wash buttons are held down for five (5) seconds simultaneously in the power on state. - When entering Demo mode, the buzzer rings three (3) times and “- - - -” is displayed on the 8888 segment display and all other LEDs arer turned off.

  • Page 24: Assembly And Disassembly

    5. ASSEMBLY AND DISASSEMBLY 5-1. TOOLS FOR DISASSEMBLY AND ASSEMBLY TOOL Box driver 10mm Heater (1) 13mm Motor (1), Balance (5), 2 holes of each left and right of the 19mm shock absorber 1 Pulley hole Open End wrench 10, 13,19mm Replaceable for the box driver.

  • Page 25: Disassembly

    5-2. DISASSEMBLY Warning! To avoid risk of electrical shock, personal injury or death, disconnect the power to the washing machine. Part Name Descriptive Picture How To Do 1. Unplug the unit. Top Cover 2. Remove screws(2ea) at the back. 3. Slide Top Cover back and lift it up. 1.
  • Page 26 5-2. DISASSEMBLY Descriptive Picture Part Name How To Do 1. Unplug the unit. 2. Remove Top Cover. 3. Flip open the PCB cover. Ag PCB 4. Disconnect the wire harness. 5. Remove screws (2ea) on the frame. 1. Unplug the unit. 2.
  • Page 27 5-2. DISASSEMBLY Part Name Descriptive Picture How To Do 1. Unplug the unit. 2. Remove Top Cover. 3. Remove Dispenser Drawer. Console 4. Remove screws(4ea) on the top. 5. Plug out all the connectors. 6. Unscrew(6ea) PCB and separate it from Console. 1.
  • Page 28 5-2. DISASSEMBLY Part Name Descriptive Picture How To Do 7. Plug out the connectors to Door Lock. Front Panel 8. Lift out Front Panel. 1. Unplug the unit. 2. Knock the unit down to Front Panel (included). Boot 3. Unscrew the boot clamp at 12 o’clock.
  • Page 29 5-2. DISASSEMBLY Part Name Descriptive Picture How To Do 1. Unplug the unit. 2. Knock the unit down to Front Panel (included). Heater 3. Remove the wire connectors. 4. Remove the nut (10mm) in the center and take out Heater. 1.

  • Page 30: Trouble Shooting

    6. TROUBLE SHOOTING 6-1. TROUBLE DIAGNOSIS Caution for the Repair and Replacement Please follow below instruction for the trouble diagnosis and parts replacement. 1) To reduce component damage due to static electricity, always observe anti static procedures. 2) Since AC220~240V is applied to the triac T1 and T2 on P.C.B, the electric shock may occur by touching and be careful of the HIGH VOLTAGE Hazzard.
  • Page 31 6-1. TROUBLE DIAGNOSIS WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power. No Power Unplug the power cord and check the power of the outlet? Is the voltage of the - Check the Circuit Bracket.
  • Page 32 6-1. TROUBLE DIAGNOSIS Will Not Start Press the Start/Pause Key once. - When the operation is unstable from locking or hitting, resolve the Is the Start/Pause button pressed issue and replace the necessary parts. after selecting the course? - When the Sub PCB Encoder S/W is defective, replace the Sub PCB. Check the Door Lock S/W.
  • Page 33 6-1. TROUBLE DIAGNOSIS Leaking <Plug the unit into the wall outlet> Check the leakage of the water supply part. - Check the connected condition between the water facet and water supply hose. - Check the connected condition between the water supply hose and the Valve. - Check the Water Valve.
  • Page 34 6-1. TROUBLE DIAGNOSIS The drum is not rotating Check the water level sensor part. - Connect the terminal of the water level sensor firmly. - Check the output frequency of the water level sensor. Is the water supplied to the (Frequency: 22Kz-26KHz) In case of defect, replace the part.
  • Page 35 6-1. TROUBLE DIAGNOSIS Water is not supplied Is the water supply hose Connect the water supply hose. connected normally? - Connect the hot and cold water hose. Check the water facet valve. Is the water facet open? - Connect the hot and cold water valves. - Check whether the water is not disconnected.
  • Page 36 6-1. TROUBLE DIAGNOSIS Water is continuously supplied. Check the Water Valve. Is the water supply valve normal? - It is from the alien particles inside. Replace the valve. Check the Pressure. - Check whether there are any breaks on the pressure hose or Is the pressure Hose whether the Pressure Hose is pulled out.
  • Page 37 6-1. TROUBLE DIAGNOSIS The Door does not open. Check whether there is any water inside the drum. Isn’t the washer filled with water (There is a forced lock function for safety purpose.) inside? Is there hot water inside Check whether there is any hot water inside the drum. the washer? (There is a forced lock function for safety purpose.) Check whether the power was unplugged by force.
  • Page 38 6-1. TROUBLE DIAGNOSIS Water is not drained. Check the drain hose. Is the drain hose clogged? - Remove any bending or clogs in the drain hose. - Check the drain height. (9 ft or less) Is the connected condition of Check the connected condition of the terminal.

  • Page 39: Problem Checking And Method Of Pcb

    6-2. PROBLEM CHECKING AND METHOD OF PCB -If you plug in the power cord and turn Power S/W on, memorized data is displayed. If any data is not displayed, check the followings. Thermistor Check Door Lock Check Check Voltage at Pin #6 and #3 of CN3 Check Voltage at Pin #1 of CN5 and Pin #7 of CN10 Tester Check = DC2.5V When Door Lock = AC120V...

  • Page 40: The Control Parts

    7-1. THE CONTROL PARTS C0002 C0002 Y0170 C0082 C0045 C0029 W0032 W0032 R0158 R0085 R0025 R0157 J0028 R0159 N0009 R0021 R0036 I0003 R0173 R0155 R0160 R0096 R0014 R0019...
  • Page 41 ▶ MODEL CODE: WF328AAW/XAA Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Location.No CODE-NO DESCRIPTION SPECIFICATION Q’TY SA/SNA C0002 DC97-2597M ASSY-PANEL CONTROL WF38ANW/XAA,FRONTIER C0002 DC97-2607L ASSY-S.PANEL CONTROL WF38ANW/XAA,FRONTI C0029 DC97-2954C ASSY-KNOB ENCODER WF337AAW/XAA,NEW C0045 DC64-038A BUTTON-PUSH(O) WF337AAW,ABS,-,-,BLK,- C0082 DC64-0360A PANEL-CONTROL WF337AAW,ABS,-,-,-,-,WHT,W I0003 DC67-00089F...

  • Page 42: The Door Parts

    7-2. THE DOOR PARTS...
  • Page 43 ▶ MODEL CODE: WF328AAW/XAA Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Location.No CODE-NO DESCRIPTION SPECIFICATION Q’TY SA/SNA C0058 DC64-0059B DOOR-LOCK S/W GW-PJT,PP-GF,-,-,-,-,BLK, D0005 DC97-078A ASSY-HINGE DOOR FRONTIER-PJT,SINGLE D000 DC97-2609E ASSY-COVER DOOR DV328AEW,DRYER/WHT D0048 DC6-0222A BRACKET-HINGE 27-DRYER,HGI,T2.0,-,-,-,- D006 DC64-00504B DOOR-GLASS SEW-HW25,SODALIME,-,-,-,-,-, D0066 DC64-0354A...

  • Page 44: The Tub Parts

    7-3. THE TUB PARTS R0001 P0148 I0046 R0002 R0003 R0005 N0008 U0079 R0007 U0029 I0078 U0038 U0354 U0367 W0059 U0365 R0006 S0058 S0058 U0086 N0010 U0384 U0358 U0133 U0185 W0031 W0031 U0078 U0364 H0075 U0097 Z0004 U0016 U0362 U0016 U0353 U0112 U0112 U0363 U0364 U0385...
  • Page 45 TS85-PJT,NBR(SD45.5),BLK,-,-,- U0024 DC6-0450A TUB-BACK GW-PJT,FRPP(GF5%),PI 602,PI 6 U0029 DC64-00802A DOOR-DIAPHRAGM GW-PJT,EPDM,T.5,-,-,-,GR U0038 DC97-0498D ASSY-CLAMP DIAPHGRAM WINGS-PJT,HSWR/ZPC4 U0078 DC97-526A ASSY-SEMI TUB BACK WF326LAS,HEATER/VENT- U0079 DC97-08650F ASSY-SEMI TUB FRONT WF337AAW,5%/HEATER/ U0086 DC67-0039A WEIGHT-BALANCER(F) GW-PJT,GC,-,-,-,RED,F U0097 60-00548 BOLT-ETC M7.5,L30,ZPC(YEL),SWRCH8A,HEX BRACKET-HOUSING U02 DC6-0338B DR30,SBHG-A(GI...
  • Page 46 ▶ MODEL CODE: WF328AAW/XAA Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Location.No CODE-NO DESCRIPTION SPECIFICATION Q’TY SA/SNA U0367 DC63-0003E SPONGE-HOSE AIR GW-PJT,HB22-GREY,-,T30, U0384 DC6-044A BRACKET-TUB(F) WINGS-PJT,SBHG-A,T0.4,-, U0385 DC6-043B BRACKET-TUB(B) WINGS-PJT,SBHG-A,T0.4,-, W003 DC72-0000D BAND-RING WINGS-PJT,HSWR,T2.4,-,-,YEL,ID W003 DC72-00055A BAND-RING 27” Washer,HSWR,#2/ M4x35,-,-, W0059 DC63-0002D SPONGE-HARNESS...

  • Page 47: The Frame Parts

    7-4. THE FRAME PARTS P0053 P0001 Z0048 J0013 U0161 I0030 J0019 Q0006 Y0162 F0223 F0125 J0025 A0352 Z0047 I0023 W0036 Z0047 A0352 N0001 J0017 W0002 A0372 X0051 F0028 ( ASSY-PUMP DRAIN ) A0282 B0070 B0045 B0073 A0083 R0161 I0040 J0013 N0006 I0040 W0004 A0025 7-6...
  • Page 48 ▶ MODEL CODE: WF328AAW/XAA Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Location.No CODE-NO DESCRIPTION SPECIFICATION Q’TY SA/SNA A0025 DC97-07448B ASSY-FIXER TUB WF337AAW,YELLOW A0083 DC6-00274A GUIDE-HOSE P/PV/M,PP,-,-,-,WHT,FRAME/DRA A0282 DC63-00522A COVER-BACK GW-PJT,GI,T0.4,W426,L507,-,-, A0352 DC6-0548A GUIDE-SPRING GW-PJT,POM,-,-,-,NTR,- A0372 DC97-08740D ASSY-CAP O.F WF337AAW,FRONTIER2 B0045 DC6-0652A LEG-RING...

  • Page 49: Block Diagram

    8. BLOCK DIAGRAM 8-1. BLOCK DIAGRAM...

  • Page 50: Pcb Diagram

    10. PCB DIAGRAM 10-1. MAIN PCB LAYOUT Item Part No. Description Item Part No. Description Ry10 Main Power Relay CE7, 8 Charge the DC LINK (300V) Heater Relay Fuse1 Limit the Over-Current  Check for the Frequency PC1~3  Make the Zerocross IPM1 Control to Motor  Door Lock Check...

  • Page 51: Connector & Relay Terminals Description (Main Pba)

    10-2. CONNECTOR & RELAY TERMINALS DESCRIPTION (MAIN PBA) CN10 1. Connects to Main Valve 2. Connects to Hot Valve 3. Connects to Pre Valve 4. Connects to Bleach Valve 5. NC Relay 9 6. Connects to Drain Pump 1. Connects to AG PBA (I_H) 1.

  • Page 52: Connector & Relay Terminals Description (Sub Pba)

    10-3. CONNECTOR & RELAY TERMINALS DESCRIPTION (SUB PBA) 1. Connects to Main PBA (Seq0) 1. Connects to Main PBA (Ground) 2. Connects to Main PBA (Rotary Switch A) 2. Connects to Main PBA (Vcc) 3. Connects to Main PBA (Rotary Switch B) 3.

  • Page 53: Sub Pcb Layout (The Principle Part)

    10-4. SUB PCB LAYOUT (THE PRINCIPLE PART) Item Part No. Description Display the Course IC1~3  Drive the LED & Display  Supply the Current to the Acting Current  Rotary Switch (For the Selecting a Course) LED & Key  Input the Detail Course  Display the Resent Course 10-4...

  • Page 54: Ag Pba Connector Terminal Description & Layout (The Principle Part)

    10-5. AG PBA CONNECTOR TERMINAL DESCRIPTION & LAYOUT (THE PRINCIPLE PART) Item Part Number Description LVT1 Chopping the DC Link Dummy Load (For Making the Operation 1. Connects to AG PBA (Ground) Voltage) 2. Connects to AG PBA (I_H) Help for the EMI, EMC 3.

  • Page 55: Schematic Diagrams

    11. SCHEMATIC DIAGRAMS 11-1. MAIN PCB * This Document can not be used without Samsung’s authorization. 11-1...

  • Page 56: Sub Pcb

    11-2. SUB PCB * This Document can not be used without Samsung’s authorization. 11-2...

  • Page 57: Ag Pcb

    11-3. AG PCB * This Document can not be used without Samsung’s authorization. 11-3...

  • Page 58: Circuit Descriptions

    12. CIRCUIT DESCRIPTIONS 12-1. OVERALL SYSTEM COMMUNICATION PART DD MOTOR CONTROL CIRCUIT SENSING PART POWER SUPPLY PART DRIVING PART 12-1...
  • Page 59 12-2. POWER SUPPLY PART ▶ Function - Generates constant DC voltages of 15V and 5V, etc. necessary to control the circuits by transforming high AC input voltages. - The circuit of this part is constructed using a switching transformer. ▶ Description - Generates DC voltages by transforming AC inputs through a diode (bridge). - The switching transformer implements voltages of 15V and 8V. - A constant 5V is output at the IC1 output terminal. 12-2...

  • Page 60: Driving Part

    12-3. DRIVING PART ▶ Function Controls the electrical harness parts of the set. ▶ Description - MICOM sends a high signal to the port of a target harness to operate. - If a high signal enters as IC7 and IC8 input, the output terminal decreases. - At this time, a relay operates to supply power to the target harness. 12-3...

  • Page 61: Sensing Part

    12--4. SENSING PART ▶ Function - Detects temperatures of each part through the output of a thermistor. - Detects the volume of water by measuring the frequency of the water level sensor. - Detects the door lock state. ▶ Description - Determines the current volume of water by detecting the IC3’s outputs (MICOM Pin 6). - Controls the water temperature to be supplied through the thermistor’s outputs. - Determines the door lock state by detecting the on/off state of the door switch contact. 12-4...

  • Page 62: Communication Part

    12-5. COMMUNICATION PART ▶ Function - Communications circuit for controlling the display of the SUB PCB. - Control circuit for the encoder and switch of the SUB PCB. ▶ Description - Input/Output ports of the MICOM for controlling the LED, display, and switch of the SUB PBA. 12-5...

  • Page 63: Dd Motor Control Circuit

    12-6. DD MOTOR CONTROL CIRCUIT ▶ Function - Inverter control of DD motor - Detect motor rpm using Hall_IC in the DD_MOTOR - Detect DC_LINK voltage - Detect condition (such as excess current) of motor control part ▶ Description - PWM output will be available at PIN no. 10~15 with reference to active high when using INVERTER control of DD_MOTOR - IPM will give Lo signal to 16 PIN on the MICOM through F0 for abnormal cases such as over 16A is generated in the IPM or upper phase current is controlled less than 10.5V. - Depending on the ON/OFF condition of HALAL_IC inside the DD_MOTOR, High/Low signal will be put through PIN 19 and 20 on the MICOM, and ROTOR position of DD_MOTOR and rpm will be detected - 10% of DC_LINK voltage will be put into PIN 28, and will detect A/D function DC_LINK voltage inside the MICOM 12-6...

  • Page 64: Reference Information

    13. REFERENCE INFORMATION 13-1. MODEL NAME 13-1...

  • Page 65: Terminology

    13-2. TERMINOLOGY ASSY-MAIN PCB (Imbalance Sensor) → To prevent the laundry from gathering on one side of the tube causing noise and vibration, the washing machine uses an imbalance detection device that evenly disentangles the laundry before the hydrating cycle starts. DOOR-LOCK S/W →...

  • Page 66: Fabric Care Chart

    13-3. FABRIC CARE CHART The following symbols provide garment care directions without words. The care label will include, in order, four symbols: washing, bleaching, drying and ironing, or dry cleaning when necessary. The use of symbols ensures consistency among garment manufacturers of domestic and imported items. Follow care label directions to maximize garment life and reduce laundering problems.

  • Page 67: Electrical Warnings

    13-4. ELECTRICAL WARNINGS To reduce the risk of fire, electrical shock, and other injuries, keep these safety precautions in mind: Operate the appliance only from the type of power source indicated on the marking label. If you are not sure of the type of power supplied to your home, consult your appliance dealer or local power company.

  • Page 68: Q & A

    13-6. Q & A Question Answer How long does it take for the door to unlock? It takes approximately 2-3 seconds for the door to unlock. When “End” is displayed, the Power button should be pressed or door The cycle is complete and “End” is displayed. should be opened before selecting another cycle.

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