LG GCWF1069CS1 Service Manual
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LG GCWF1069CS1 Service Manual

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WASHING MACHINE

SERVICE MANUAL

CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : GCWF1069CS1/GCWF1069CD1/GCWF1069QS1/
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service
Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this
Service Manual.
Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
GCWF1069QD1/GCWF1069CS3/GCWF1069CD3/
GCWF1069QS3/GCWF1069QD3
CONFIDENTIAL

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Summary of Contents for LG GCWF1069CS1

  • Page 1: Washing Machine

    Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.

  • Page 2: Table Of Contents

    11-1. CABINET & CONTROL PANEL ASSEMBLY - COIN TYPE ........45 11-2. DRUM & TUB ASSEMBLY ..................46 11-3-1. CABINET&CONTROL PANEL ASSEMBLY(FOR SINGLE MODEL) ....47 11-3-2. CABINET&CONTROL PANEL ASSEMBLY(FOR STACK MODEL) ..... 48 Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 3: Important Safety Instructions

    1. IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE WARNING For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, injury to persons, or death. IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of fire, electric shock, or injury to persons when using the washer, follow...

  • Page 4: Specifications

    2. SPECIFICATIONS GCWF1069CS1/GCWF1069CD1/ GCWF1069CS3/GCWF1069CD3/ MODEL GCWF1069QS1/GCWF1069QD1 GCWF1069QS3/GCWF1069QD3 COLOR BLUE WHITE STAINLESS SILVER POWER SUPPLY 120V, 60Hz PRODUCT WEIGHT 190 lbs. (87kg) WASHING 500W ELECTRIC POWER DRAIN MOTOR CONSUMTION CIRCULATION MOTOR FUSE 250V, 12A (Time Delay) WASH 45 rpm REVOLUTION SPEED...

  • Page 5: Features And Technical Explanation

    3. FEATURES & TECHNICAL EXPLANATION 3-1. FEATURES Direct Drive System The advanced Brushless DC motor directly drives the drum without belt and pulley. The Tilted Drum and Extra Large Door Opening Tilted drum and extra large door opening make it possible to load and unload easily.

  • Page 7: Parts Identification

    4. PARTS IDENTIFICATION Shipping Bolts (4) Power Plug If the supply cord is damaged, · it must be replaced by the manufacturer or an authorized service technician in order t avoid a hazard. Control Panel Drain Hose Dispenser (for single model) Dispenser Drum (for stack model)

  • Page 8: Installation Instructions

    5. INSTALLATION INSTRUCTIONS WARNING • Washer is heavy. Two or more people may be needed to install and move the appliance. Failure to do so can result in back or other injury. • Store and install the washer where it will not be exposed to temperatures below freezing or exposed to outdoor weather conditions.

  • Page 9: Minimum Installation Spacing For Recessed Area Installation

    Minimum installation spacing for   Installation clearances recessed area installation. The location must be large enough to open the washer door completely.  Washer dimensions 52 5/8" 133.7 cm 52 5/8" 133.7 cm 52 5/8" 133.7 cm 30 3/16" (76.7cm) 30 3/16"...
  • Page 10  Installation of Auto dosing system Detergent Input period Main wash Main wash phase Bleach Main wash (Remaining w ashing me: 5 Minutes) So ener Final rinse phase Pre-wash Pre-wash phase  Auto dosing interface Auto dosing interface Wire Color Black: Jump wire (- signal) Red: Main Wash (+ signal) Blue: Bleach (+ signal)

  • Page 11: Level Floor

    INSTALL THE APPLIANCE ON A FLAT AND FIRM SURFACE Level floor NOTE: A firm, solid floor is even more critical to a front-loading washer than to a top-loader. • Allowable slope under entire washer is 1°. If your floor is wood and/or frame •...

  • Page 12: Level Adjustment

     Level adjustment • Leveling the washing machine properly prevents excessive noise and vibration. Install the appliance on a solid and level floor surface, preferably in a corner of the room. • If the floor is uneven, adjust the adjustable feet as required.

  • Page 13: Operation

    Electrical connection · Do not use an extension cord or double adapter. · If the supply cord is damaged, it must be replaced by a qualified person in order to avoid a hazard. · If the machine will not be used for an extended time, unplug it, shut off the water supply and open the door to provide ventilation.

  • Page 14: Installation Of Drain Hose

    ˛˛˛ ˛˛˛˛˛˛˛˛˛ about 70"(1.8m) a˛˛˛˛ ˛˛˛˛˛˛˛˛ ˛  Installation of drain hose about 78"(2.0m) about 55"(1.4m) about 55"(1.4m) about 55"(1.4m) a˛˛˛˛ ˛˛˛˛˛˛˛˛ ˛ about 45"(1.1m) about 45"(1.1m) about 45"(1.1m) about 45"(1.1m) about 70"(1.8m) about 70"(1.8m) • When installing the drain hose at a sink, secure it so it •...

  • Page 15: Operation

    6. OPERATION CONTROL PANEL FEATURES Coin type (GCWF1069QS1/GCWF1069QS3) Coin type (GCWF1069QD1/GCWF1069QD3) Card / OPL Type (GCWF1069CS1/GCWF1069CS3/ GCWF1069CD1/GCWF1069CD3 1. Display LED 4. Start/Pause button 2. Cycle button 5. Status LED 3. Optional function button...
  • Page 16 Status LED Display LED Cycle button Start/Pause button Optional function button Display LED Optional function button The display shows the vend price and Add Super Wash: Wash time or rinse cycle remaining time and programming options. Error can beadded when additional coin is inserted or a valid cash card is entered.
  • Page 17 Select cycles designed for different types of fabric and soil levels Wash / Rinse CYCLE Fabric Type Temp. Cotton, Linon, Towels, Shirts, Sheets Hot/Cold Warm Mixed Loads, Work Clothes, Jeans, Shirts Warm/Cold Dress Shirts/Pants, Wrinkle Free Clothing, Cold Cold/Cold Poly/Cotton Blend Clothing, Tablecloths. Dress Shirts/Blouses, Nylons, Sheer or Lacy Delicates Cold/Cold...

  • Page 18: Wiring Diagram/Program Chart/Pcb Layout

    7. WIRING DIAGRAM/PROGRAM CHART/PCB LAYOUT Wiring Diagram Program Chart PREWASH (A+B+C) WASH (D+E) RINSE ((G+H+I+J+K+L)*n) SPIN (M+N+O+P) (O) Disenta Water Tumble Intermi en Wave F Tumble Drai Intermi ent Tumble Drain Water Supply Drain Spin Water Supply Spin ngle Supply (CCCC - D + Super Wash) t Spin orce...
  • Page 19 PCB Layout (Main) BL4: E-suds ( P/N : EBR81121312) 1. TX + 2. TX - 3. RX + NA4: 4. RX - 2. Circulation NA2: 3. Atomizing Valve 1. G 4. Door Switch 3 2. VCC 5V 5. Door Switch 2 6.

  • Page 20: Troubleshooting

    8. TROUBLESHOOTING 8-1. BEFORE PERFORMING SERVICE Be careful of electric shock when disconnecting parts while troubleshooting. The voltage of each terminal is 120V- when the unit is plugged in. 8-2. QC TEST MODE. The washer must be empty. Card Type 1.

  • Page 21: Error Display

    8-5. ERROR DISPLAY · If you press the START button when an error is displayed, any error except will disappear and the machine will go into the pause status. ERROR SYMPTOM CAUSE • Correct water level (246) is not reached within 10 minutes WATER INLET after water is supplied or it does not reach the preset water ERROR...
  • Page 22 The connector (3-pin, male, blue) in the MOTOR HARNESS is not connected to the connector (3-pin, female, white) of STATOR ASSEMBLY. LOCKED The electric contact between the MOTOR HARNESS MOTOR and the MAIN PWB ASSEMBLY is bad or unstable. The MOTOR HARNESS between the STATOR ERROR ASSEMBLY and MAIN PWB ASSEMBLY is cut (open circuit).

  • Page 23: Dispenser

    8-6. DISPENSER The dispenser drawer is a multi-chambered reservoir that allows the user to add all the appropriate laundry additives before starting the cycle. It has a place for pre-wash and Main wash detergent, fabric softener, and bleach. Powdered or liquid detergents may be used, but softener and bleach must be liquids.
  • Page 24 . diagnosis and Troubleshoo Ting WARNING 1. be careful of electric shock if disconnecting parts while troubleshooting. 2. First, check the connection of each electrical terminal with the wiring diagram. 3. if you replace the Main PWb asse Mbl Y, reinsert the connectors correctly. NO POWER Check the fuse or reset is the supplied voltage 120V~, 60h z?
  • Page 25 1. NO POWER 1.Check Electric Wiring. 2.Check the customer's outlet. 3.Check Noise Filter. 4.Che ck LED on in Main PWB 5.Check External Fuse (Single Harness).
  • Page 26 AC 120V, 60Hz...
  • Page 27 1. INLET VALVE ERROR 1.Check Electric Wiring. 2.Check Inlet valve's Resistance. 3.Check Inlet valve clogged. 4. Voltage of the inlet valve's connector. -. Valve running : 120Vac ± 5% Softener Bleach Main Resistance Inlet Valve Main PWB [k ] Main NA4 6 0.8 ~ 1.2 YL1 3...
  • Page 28 OE ERROR (DRAIN TROUBLE) Repair the DRAIN HOSE Is the drain hose twisted or frozen? ASSEMBLY. Reconnect or repair the Is the connector disconnected or disassembled? connector Is the coil of the drain pump too high or low? Replace the DRAIN (resistance of the coil is 10-20 Ω) PUMP ASSEMBLY.
  • Page 29 Symptom Check Point 1. Drain Error (OE) 1.Check Electric Wiring. 2.Check drain pump's Resistance. 3.Check drain line clogged. 4. Voltage of the drain pump's connector. -. Pump running : AC 120V~, 60Hz -. Stopped pump / motor : 0~1Vac Drain pump Circulation pump Resistance Main...
  • Page 31 1. PRESSURE 1.Check Electric Wiring. SENSOR ERROR (PE) 2.Check Pressure sensor's Resistance. 3.Check Air chamber and Tube clogged. Pressure Sensor Resistance Pressure Main Sensor 21 ~ 23 NA2 5 (1) ~ (3) NA2 7 10%)
  • Page 32 dE1/dE2 dE1/dE2...
  • Page 33 Symptom Check Point 1. DOOR OPEN 1.Check Electric Wiring. ERROR (dE) 2.Check latch hook spring. (Cracked) 3.Check Door switch's Resistance. 4.Check Voltage of Door switch's connector. Door switch Door switch Result Remarks Result Remarks (Type1) (Type2) (2) ~ (4) 700~1500 At 77 (25 ) (2) ~ (4)
  • Page 35 DETERGENT/SOFTENER/BLEACH DOES NOT FLOW IN Refer to previous page Is water supplied? IE ERROR Are the plugs correctly connected to the terminals Check the wiring. of the INLET VALVE ASSEMBLY? -Single model- Put it in the correct compartment Is detergent/softener/bleach put in the correc t -Single model- compartment of the DRAWER? Bleach...
  • Page 36 SUDS OVERFLOW FROM THE APPLIANCE Is HE(High Efficiency) detergent used ? Is the proper amount of detergent used as recommended? Recommend to reduce the amount of detergent. This appliance has an automatic suds sensing function which prevents overflow. When excessive suds are sensed, the suds removing implementations such as drain, water input, and pause will operate, without rotating the drum WATER OVERFLOW FROM THE DRAWER OR DISPENSER...

  • Page 37: Disassembly Instructions

    10. DISASSEMBLY INSTRUCTIONS 1. Unscrew 2 screws 2. Disassemble the CONTROL PANEL ASSEMBLY - Pull out the CONTROL PANEL . Do not pull out the CONTROL PANEL too forcefully as it can be broken. 3. Disconnect the DISPLAY PWB ASSEMBLY connector from CABLE (HARNESS).
  • Page 38 WARNING TOP PLATE ASSEMBLY • When you disassemble the top plate, be sure to take gloves and careful plate’s edge. Failure to do so can cause serious injury. -Stack model- -Single model- 1. Disassemble the LID OUT 1. Pull out the DRAWER ASSEMBLY 2.
  • Page 39 1. Disassemble the CONTROL PANEL ASSEMB LY (Refer to page 37) 2. Disassemble the TOP PLATE ASSEMBLY (Refer to previous page) 3. Unscrew a screw on PRESSURE SWITCH ASSEMBLY 4. Remove all wire from hooks. 5. Detach fuse from Protective Cover. (fit fuse into holder on Cover when reassembling) 6.
  • Page 40 -Single model- 1. Disassemble the CONTROL PANEL ASSE MBLY DISPENSER ASSEMB LY Clamp (Refer to page 37) 2. Disassemble the TOP PLATE ASSEMB LY (Refer to page 38) 3. Disassemble the clamps and hoses. 4. Disassemble the bellows at the lower side of DISPENSER -Stack model- DISPENSER ASSEMBLY Clamp...
  • Page 41 1. Disassemble the CONTROL PANEL ASSE MBLY (Refer to page 37) 2. Open the DOOR. 3. Disassemble the CLAMPASSEMB LY. 4. Unscrew the 5 screws from the CABINET COVER. 5. Unscrew the screw from CAP COVER. 6. Unscrew the screw from inside CAP COVER. CAP COVER 7.
  • Page 42 8. Unscrew the screw from the lower side of the CABINET COVER . 9. Tilt the CABINET COVER. 10. Disconnect the DOOR S/W connector. NOTE: When assembling the CABINET COVER, connect the connector. 11. Lift and separate the CABINET COVER. 1.
  • Page 43 1. Open the DOOR. 2. Unscrew the 7 screws from the HINGE COVER. 3. Put a flat ( - ) screwdriver into the openng of the hinge, and HINGE COVER pull out the HINGE COVER. 4. Unscrew a screw from the lower side of DOOR. 5.
  • Page 44 (refer to page 41) HEATER/THERMISTOR Thermistor the thermister connector (refer to page 37) (refer to page 38)

  • Page 45: Motor Assembly

    MOTOR ASSEMBLY 1. Disassemble the BACK COVER. 2. Remove the bolt. 3. Pull out the ROTOR. ROTOR 4. Unscrew a screw from the bracket. 5. Remove the 6 bolts on the stator. 6. Unplug the connector from the STATOR. DAMPER 1.

  • Page 46: Exploded View

    11. EXPLODED VIEW 11-1. CABINET& CONTROL PANEL ASSEMBLY A480 F212 M410 F214 A485 GCWP1069QD1 F210 GCWP1069QD3 F110 A450 A390 A455 GCWP1069QS1 A117 A110 GCWP1069QS3 A410 GCWP1069CS1 A150 GCWP1069CS3 GCWP1069CD1 GCWP1069CD3 A154 A152 A107 A156 A141 A101 A153 A151 A131 A100 A130 A430 A140...

  • Page 47: Drum & Tub Assembly

    11-2. DRUM & TUB ASSEMBLY K143 K361 K350 K123 K360 F140 K610 K411 K410 K611 K115 K141 K110 K117 K111 F315 K140 F310 F465 K571 K142 K190 F463 K572 F464 K122 K516 K125 K570 K130 K320 K530 K121 K510 K512 F360 K135 K105...
  • Page 48 11-3-1. DISPENSER ASSEMBLY (FOR SINGLE MODEL) F327 F324 F300 F326 F462 M506 M500 F170 F160 F323 M505 A160 F329 A161 F430 F441 F301 F120 F121 A275 F122 A276 F130 F432...
  • Page 49 11-3-2. DISPENSER ASSEMBLY (FOR STACK MODEL) F324 F327 F321 F462 F326 M506 F300 F323 F226 M505 F340 M500 F329 F170 F220 F160 F430 F441 F120 A275 F121 A276 F122 F130 F432...
  • Page 50 MFL68921819...

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