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LG GCW1069QD Service Manual

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WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : GCW1069QD
GCW1069CD
GCW1069QS
GCW1069CS

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Summary of Contents for LG GCW1069QD

  • Page 1 WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT. MODEL : GCW1069QD GCW1069QS GCW1069CD GCW1069CS...

  • Page 2: Table Of Contents

    CONTENTS 1.IMPORTANT SAFETY INSTRUCTIONS ................3 2. SPECIFICATIONS ........................ 4 3. FEATURES AND TECHNICAL EXPLANATION ..............5 4. PARTS IDENTIFICATION...................... 7 5. INSTALLATION INSTRUCTIONS ..................8 6. OPERATION ......................... 14~16 7. WIRING DIAGRAM/PROGRAM CHART ................17 8. TROUBLESHOOTING ....................18~20 8-1.

  • 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, personal injury, or loss of life. I I M M P P O O R R T T A A N N T T S S A A F F E E T T Y Y I I N N S S T T R R U U C C T T I I O O N N S S WARNING To reduce the risk of fire, electric shock, or injury to persons when using the washer, follow basic...

  • Page 4: Specifications

    2. SPECIFICATIONS MODEL GCW1069QD / GCW1069QS / GCW1069CD / GCW1069CS COLOR BLUE WHITE 120V~, 60 Hz POWER SUPPLY 190 lbs. (86 kg) PRODUCT WEIGHT ELECTRIC POWER WASHING 155 W CONSUMTION DRAIN MOTOR 80 W WASH 45 rpm REVOLUTION SPEED SPIN...

  • 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 6 3-2. WATER LEVEL CONTROL ● This model incorporates a pressure sensor which can sense the water level in the tub. ● The water supply is stopped when the water level reaches the preset level; then the selected cycle begins. ● Spinning does not proceed until the water in the tub drains to a certain level. 3-3.

  • 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 to avoid a hazard. Control Panel Drain Hose Drain Dispenser Back of Washer Door Cold Water Inlet Air Vent for Safety...

  • 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 Installation clearances recessed area installation. The location must be large enough to open the washer door completely. Washer dimensions Side view Front view The following dimensions shown are for the minimum spacing allowed. Additional spacing should be considered for installation and servicing.
  • Page 10 ■ INSTALL THE APPLIANCE ON A FLAT AND FIRM SURFACE solid floor NOTE: A firm, solid floor is even more critical to a ■ Level floor front-loading washer than to a top-loader. • Allowable slope under entire washer is 1°. If your floor is wood and/or frame •...
  • Page 11 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 12 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 13 Installation of drain hose • The drain hose should not be placed higher than • Properly securing the drain hose will protect the 96 in. from the bottom of the washer. floor from damage due to water leakage. • When installing the drain hose at a sink, secure it so it cannot break away and cause flooding and damage.

  • Page 14: Operation

    6. OPERATION Card Type - Side by side (GCW1069CS) Upper stack (GCW1069CD) Coin Type - Side by side (GCW1069QS) Coin Type - Upper stack (GCW1069QD) 1. DISPLAY LED 3. START BUTTON 2. CYCLE BUTTON 4. STATUS BUTTON...
  • Page 15 STATUS LED DISPLAY LED CYCLE BUTTON START BUTTON Display LED START BUTTON The display shows the vend price and remaining time The START LED flashes when the full vend price and programming options. Error codes are also has been satisfied and the cycle has been chosen. displayed here.
  • Page 16 Select cycles designed for different types of fabric and soil levels Wash/Rinse Spin Add Super CYCLE Fabric type Temp. Speed Wash Cotton, Linen, Towels, Shirts, High Whites Hot/Cold Sheets Mixed Loads, Work Clothes, Colors Warm/Cold High Jeans, Shirts Dress Shirts/Blouses, Delicates Cold/Cold Nylons, Sheer or Lacy Garment...

  • Page 17: Wiring Diagram/Program Chart

    7. WIRING DIAGRAM/PROGRAM CHART Card Type : GCW1069QD GCW1069QS Coin Type : GCW1069CD GCW1069CS Program Chart...

  • Page 18: 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 19: 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 20 • The connector (3-pin, male, white) in the MOTOR HARNESS is not connected to the connector (3-pin, female, white) of STATOR ASSEMBLY. • The electric contact between the connectors LOCKED (3-pin, male, white) in the MOTOR HARNESS and 4-pin, female, white connector in the MAIN PWB MOTOR ASSEMBLY is bad or unstable.

  • Page 21: 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 22: Diagnosis And Troubleshooting

    . DIAGNOSIS AND TROUBLESHOOTING 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 ASSEMBLY, reinsert the connectors correctly. NO POWER Check the fuse or reset Is the supplied voltage 120 V AC?
  • Page 23 IE ERROR (NO WATER SUPPLY) Open the tap. Is the tap opened? After separating the hose Is the tap frozen? from the washing machine soak in hot water for 10 minutes. Is the water supply shut-off? Clean the filter of Is filter in the inlet valve clogged with INLET VALVE ASSEMBLY foreign material?
  • Page 24 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 Replace the DRAIN Is the coil of the drain pump too high or low? (resistance of the coil is 10-20 Ω) PUMP ASSEMBLY.
  • Page 25 FE ERROR Is resistance between each terminal of INLET Main washer VALVE ASSEMBLY 0.8~1.2kΩ? Replace the INLET VALVE ASSEMBLY. ※Make sure the tap is closed before replacing. Is water continuously supplied? softener PRESSURE S/W ASSEMBLY Replace the Is PRESSURE S/W ASSEMBLY broken? PRESSURE S/W ASSEMBLY.
  • Page 27 VIBRATION & NOISE IN SPIN Have all the transit bolts and base packing Remove the transit bolts been removed? and Base packing. Is the washer installed on a solidly constructed Move the washer or floor? reinforce the floor. Check if the washer is perfectly level as follows: Check the leveling of the washer with a level and check that the washer is stable.
  • Page 28 DETERGENT/SOFTENER/BLEACH DOES NOT FLOW IN Refer to page 22 Is water supplied? IE ERROR Are the plugs correctly connected to the terminals Check the wiring. of the INLET VALVE ASSEMBLY? Put it in the correct compartment Is detergent/softener/bleach put in the correct DRAWER compartment of the DRAWER? DRAWER...
  • Page 29 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...

  • Page 30: Disassembly Instructions

    10. DISASSEMBLY INSTRUCTIONS ✽ Be sure to unplug the machine before disassembling and repairing the parts. CONTROL PANEL ASSEMBLY 1. Pull out the DRAWER. Do not pull out the DRAWER too forcefully as it CONTROL PANEL can be broken. ASSEMBLY DRAWER ⇩...
  • Page 31 TOP PLATE ASSEMBLY 1. Disassemble the CONTROL PANEL ASSEMBLY (refer to page 29) 2. Remove 2 screws on the CONTROL PANEL frame. 3. Push the TOP PLATE backward forcefully. 4. Lift the TOP PLATE.
  • Page 32 MAIN PWB ASSEMBLY 1. Disassemble the CONTROL PANEL ASSEMBLY (refer to page 29). 2. Disassemble the TOP PLATE ASSEMBLY (refer to page 30). 3. Unscrew a screw on PRESSURE SWITCH ASSEMBLY 4. Remove all wire from hooks. 5. Remove the Protective Cover. CONNECTOR PROTECT COVER 6.
  • Page 33 DISPENSER ASSEMBLY DISPENSER ASSEMBLY 1. Disassemble the CONTROL PANEL ASSEMBLY Clamp (refer to page 29). 2. Disassemble the TOP PLATE ASSEMBLY (refer to page 30). 3. Disassemble the clamps and hoses. 4. Disassemble the bellows at the lower side of DISPENSER INLET VALVE ASSEMBLY 1.
  • Page 34 CABINET COVER 1. Disassemble the CONTROL PANEL ASSEMBLY (refer to page 29). 2. Open the DOOR. 3. Disassemble the CLAMP ASSEMBLY. 4. Unscrew the 4 screws from the upper part of the CABINET COVER. 5. Unscrew the screw from CAP COVER. 6.
  • Page 35 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. GASKET 1.
  • Page 36 DOOR ASSEMBLY 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 37 PUMP ASSEMBLY 1. Disassemble the CABINET COVER (refer to page 33). 2. Separate the PUMP HOSE and the BELLOWS from the PUMP ASSEMBLY. 3. Unscrew 2 screws. 4. Remove the PUMP ASSEMBLY in arrow direction. THERMISTOR 1. Disassemble the CABINET COVER (refer to page 33).
  • Page 38 SENSOR ASSEMBLY(BALL SENSOR) 1. Unscrew the 4 screws from the BACK COVER. BACK COVER 2. Unscrew a screw from the lower-right side of the CABINET. 3. Disconnect the connector from PWB HARNESS.
  • Page 39 MOTOR ASSEMBLY 1. Disassemble the BACK COVER. 2. Remove the bolt. 3. Pull out the ROTOR. ROTOR 4. Unscrew the 2 screws from the tub bracket. 5. Remove the 6 bolts on the stator. STATOR 6. Unplug the 2 connectors from the STATOR. DAMPER 1.

  • Page 40: Exploded View

    - COIN TYPE F210 F110 A485 A116 A450 A455 A104 A105 A102 A106 A103 A110 A410 A490 A150 A154 A495 A152 A101 A141 A390 A151 A153 A100 A131 A130 A430 A140 A133 A440 A155 A300 A310 A201 A220 A200 A303...
  • Page 41 11-2. - CARD TYPE F210 F110 A485 A450 A455 A117 A104 A105 A102 A106 A103 A110 A410 A490 A150 A154 A495 A152 A101 A141 A390 A151 A153 A100 A131 A130 A430 A140 A133 A440 A155 A300 A310 A201 A220 A200 A303...

  • Page 42: Drum & Tub Assembly

    11-3. DRUM & TUB ASSEMBLY K143 K123 K351 K350 K360 F140 K610 K411 K410 K611 K115 F466 K110 K141 K111 K140 K117 F315 F310 K572 F465 K571 F463 K122 K570 F464 K125 K130 K530 K310 K121 K510 K311 K512 K560 K105 K135 K131...

  • Page 43: Dispenser Assembly

    11-4. DISPENSER ASSEMBLY F324 F323 F321 F462 F326 F300 F170 F226 F160 F430 F220 F441 F120 A275 F130 A276 F432...
  • Page 44 . 2010 PRINTED IN KOREA P/No.:...

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Gcw1069qsGcw1069cdGcw1069cs

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