LG GCW1069CS Service Manual Download Page 22 | Manualshive

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22

9

. DIAGNOSIS AND TROUBLESHOOTING

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

YES

YES

YES

YES

NO

NO

NO

NO

YES

PWB ASSEMBLE, DISPLAY

5

5

1

3

4

5

5

Is the supplied voltage 120 V AC?

Is the voltage between the FILTER ASSEMBLY
connectors

and 120 V AC?

Is the LED lamp

on?

Are the connectors

on the PWB loose?

Is wire of the DISPLAY PWB ASSEMBLY
broken?

Replace DISPLAY PWB ASSEMBLY
or repair wire.

Check the fuse or reset
the circuit breaker.

Replace the FILTER
ASSEMBLY (CIRC).

Replace MAIN PWB
ASSEMBLY.

Reconnect.

Replace the CABLE
(HARNESS)

NO POWER

WARNING

!

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Summary of Contents for GCW1069CS

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

Page 2: ... PROGRAM CHART 17 8 TROUBLESHOOTING 18 20 8 1 BEFORE PERFORMING SERVICE 18 8 2 QC TEST MODE 18 8 3 HOW TO CHECK THE WATER LEVEL FREQUENCY 18 8 4 HOW TO CHECK THE RPM 18 8 5 ERROR DISPLAY 19 20 8 6 DISPENSER 21 9 DIAGNOSIS AND TROUBLESHOOTING 22 29 10 DISASSEMBLY INSTRUCTIONS 30 39 11 EXPLODED VIEW 40 11 1 CABINET CONTROL PANEL ASSEMBLY 40 11 2 DRUM TUB ASSEMBLY 41 11 3 DISPENSER ASSEMBLY 42 ...

Page 3: ... any part of the washer or attempt any servicing unless specifically recommended in the user maintenance instructions or published user repair instructions that you understand and have the skills to carry out See Installation Instructions for grounding requirements ALWAYS follow the fabric care instructions supplied by the garment manufacturer Do not place items exposed to cooking oil in your wash...

Page 4: ...PE WASH CAPACITY cu ft DIMENSIONS DOOR SWITCH TYPE WATER LEVEL LAUNDRY LOAD SENSING ERROR DIAGNOSIS OPERATIONAL WATER PRESSURE ELECTRIC POWER CONSUMTION WASHING DRAIN MOTOR GCW1069QD GCW1069QS GCW1069CD GCW1069CS BLUE WHITE 120V 60 Hz 190 lbs 86 kg 155 W 80 W 45 rpm 1150RPM 4 ADD SUPER WASH Cycle 14 5 116 psi 100 800 kPa Electronic 4 2 IEC 3 64 REVOLUTION SPEED WASH SPIN COLOR MODEL ...

Page 5: ...load easily Ultra Capacity The larger drum enables not just higher head drop and stronger centrifugal force but also less tangling and wrinkling of the laundry Heavier loads such as king size comforters blankets and curtains can be washed Large Door and Window The large window lets you see the wash as it progresses The Stainless Steel drum Stainless Steel Drum doesn t rust Automatic Wash Load Dete...

Page 6: ...KED light will turn off If a power failure has occurred while in operation the door will unlock after 2 minutes Clicking sounds can be heard when the door is locked unlocked 3 4 THE DOOR CAN NOT BE OPENED While program is operating While Door Lock lights turn on While the drum is rotating 3 5 DOOR LOCKED LAMP LIGHTS When the frequency of water level is lower than 22 9 kHz It can be canceled when t...

Page 7: ...t loading Washing Machine Power supply 120V 60Hz Size 68 6 cm W X 75 6 cm D X 98 3 cm H 129 1 cm D with door open 27 W X 293 4 D X 3811 16 H 5013 16 D with door open Weight 190 lbs 86 kg Wash capacity 3 52 cu ft IEC 4 06 cu ft 1 Spin speed 1150 rpm max Permissible water pressure 14 5 116 psi 100 800 kPa Back of Washer Specifications subject to change by manufacturer Note Accessories 1 Per IEC 6045...

Page 8: ... install the washer where it will not be exposed to temperatures below freezing or exposed to outdoor weather conditions Failure to follow this warning can cause serious injury fire electrical shock or death This appliance must be properly grounded for personal safety Properly ground washer to conform with all governing codes and ordinances Failure to follow this warning can cause serious injury f...

Page 9: ...ional spacing should be considered for installation and servicing Additional clearances might be required for wall door and floor moldings Additional spacing of 4 10 cm on back 1 2 5 cm on all sides of the washer is recommended to reduce noise transfer Companion appliance spacing should also be considered Minimum installation spacing for recessed area installation Front view Side view ...

Page 10: ...surfaces are not recommended Never install the washer on a platform or weakly supported structure NOTE A firm solid floor is even more critical to a front loading washer than to a top loader If your floor is wood and or frame construction you may need to reinforce it Front loaders use substantially faster spin speeds than top loaders causing greater vibration If the floor is not solid your washer ...

Page 11: ... the feet perfectly This must be done while the washer is spinning with a load Use the wrench supplied to adjust the feet until there is no vibration Then tighten the lock nuts to prevent further adjustment NOTE If there is vibration and noise during the spin cycle re check the leveling of the washer adjust the feet as required and tighten the lock nuts securely to prevent changes in adjustment Ru...

Page 12: ...mmend they be placed upon a dedicated circuit that is a single outlet circuit which powers only that appliance and has no additional outlets or branch circuits Check the specification page of this owner s manual to be certain Do not overload wall outlets Overloaded wall outlets loose or damaged wall outlets extension cords frayed power cords or damaged or cracked wire insulation are dangerous Any ...

Page 13: ...from damage due to water leakage Place the end of the drain hose in the hole of the floor drain system When installing the drain hose at a sink secure it so it cannot break away and cause flooding and damage Properly securing the drain hose will protect the floor from damage due to water leakage Make sure that the hose is not twisted Avoid submerging the end of the hose ...

Page 14: ...Type Side by side GCW1069CS Upper stack GCW1069CD 1 2 4 3 Coin Type Side by side GCW1069QS 1 2 4 3 Coin Type Upper stack GCW1069QD 1 2 4 3 1 DISPLAY LED 3 START BUTTON 2 CYCLE BUTTON 4 STATUS BUTTON 6 OPERATION ...

Page 15: ...es whenever the Spining cycle is in operation LED flashes whenever the door lock is activated START BUTTON 3 STATUS LED 4 Press the CYCLE button to select the desired cycle based on laundry types and conditions Use for hot washing for heavy fabrics such as white clothes table linens and heavily soiled clothes CYCLE BUTTON WHITES Use for warm washing for heavy fabrics such as jeans corduroys or wor...

Page 16: ...ss Shirts Blouses Nylons Sheer or Lacy Garment Dress Shirts Pants Wrinkle Free Clothing Poly Cotton Blend Clothing Tablecloths Colors Delicates Perm Press Hot Cold Warm Cold Cold Cold Warm Cold High High Low Medium O O O O Fabric type Wash Rinse Temp Spin Speed Add Super Wash Add super wash Adds an additional 3 minutes of washing time and an extra rinse 16 ...

Page 17: ...17 7 WIRING DIAGRAM PROGRAM CHART Card Type GCW1069QD GCW1069QS Coin Type GCW1069CD GCW1069CS Program Chart ...

Page 18: ...Coin Type 1 Open the Service Door 2 Display 3 Press the Start button repeatedly to cycle through the test modes The voltage of each terminal is 120V when the unit is plugged in Number of times the START button is pressed Check Point Display None 1 time 2 times 3 times 4 times 5 times 6 times 7 times 8 times 9 times 10 times 11 times 12 times 13 times 14 times 15 times Turns on all lamps and locks ...

Page 19: ...The appliance is tilted Laundry is gathered to one side Non distributable things are put into the drum Not fully drained within 3 minutes Water is overflowing water level frequency is over 213 If is displayed the drain pump will operate to drain the water automatically The SENSOR SWITCH ASSEMBLY is out of order Door not all the way closed Loose electrical connections at door switch and PWB Assembl...

Page 20: ...hite in the MOTOR HARNESS and 4 pin female white connector in the MAIN PWB ASSEMBLY is bad or unstable The MOTOR HARNESS between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut open circuit The hall sensor is out of order defective 7 LOCKED MOTOR ERROR Disconnection of Card Reader Wire 9 CARD READER ERRER EEPROM is out of order Displayed only when the START button is first pressed in the QC Test ...

Page 21: ...bric softener and bleach Powdered or liquid detergents may be used but softener and bleach must be liquids Detergents should carry the HE designation Do not use regular detergents in the washer or overusing will occur Regular detergents also cause a scum build up in the tub which leads to poor performance and a foul odor BLEACH SOFTENER HOT INPUT MAIN WASH BLEACH SOFTRNER MAIN WASH PRE WASH 1 2 3 ...

Page 22: ...NO YES YES YES YES NO NO NO NO YES PWB ASSEMBLE DISPLAY 5 5 1 3 4 5 5 Is the supplied voltage 120 V AC Is the voltage between the FILTER ASSEMBLY connectors and 120 V AC Is the LED lamp on Are the connectors on the PWB loose Is wire of the DISPLAY PWB ASSEMBLY broken Replace DISPLAY PWB ASSEMBLY or repair wire Check the fuse or reset the circuit breaker Replace the FILTER ASSEMBLY CIRC Replace MAI...

Page 23: ...se from the washing machine soak in hot water for 10 minutes Is resistance between each terminal of the INLET VALVE ASSEMBLY 0 8 1 2 kΩ Verify the voltage of the inlet valve connector is 120 V AC Refer to page 18 QC TEST MODE Replace the INLET VALVE ASSEMBLY Make sure the tap is closed before replacing Check electrical connection Replace the MAIN PWB ASSEMBLY IE ERROR NO WATER SUPPLY Clean the fil...

Page 24: ...e the MAIN PWB ASSEMBLY Is the drain hose twisted or frozen Is the connector disconnected or disassembled Is the coil of the drain pump too high or low resistance of the coil is 10 20 Ω When checking voltage between connectors and during drain is the voltage 220 V AC as in the figure OE ERROR DRAIN TROUBLE ...

Page 25: ...ng Replace the PRESSURE S W ASSEMBLY Replace the PRESSURE S W ASSEMBLY Is resistance between each terminal of INLET VALVE ASSEMBLY 0 8 1 2kΩ Is water continuously supplied Is PRESSURE S W ASSEMBLY broken Check electrical connection Replace the MAIN PWB ASSEMBLY Is PRESSURE S W ASSEMBLY broken Check electrical connection Replace the MAIN PWB ASSEMBLY FE ERROR PE ERROR PRESSURE S W TROUBLE ...

Page 26: ...26 ...

Page 27: ...er is stable Put an unbalance part rubber inside of drum and start QC test mode and run in high spin Refer to page 17 When the machine is spinning in high speed verify that it is stable VIBRATION NOISE IN SPIN If it is not stable adjust feet accordingly After the washer is level tighten the lock nuts up against of the base of the washer All lock nuts must be tightened If you do not have the unbala...

Page 28: ...in the correct compartment of the DRAWER Is the detergent softener bleach CAP clogged Refer to page 22 IE ERROR Check the wiring Put it in the correct compartment Clean the CAP and DRAWER DETERGENT SOFTENER BLEACH DOES NOT FLOW IN ABNORMAL SOUND Secure the bolt Replace the STATOR ASSEMBLY or ROTOR ASSEMBLY Is the motor bolt loose Is there friction noise coming from the motor ...

Page 29: ...ount 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: ...RAWER Do not pull out the DRAWER too forcefully as it can be broken 2 Unscrew 3 screws 3 Disassemble the CONTROL PANEL ASSEMBLY Pull out the CONTROL PANEL Do not pull out the CONTROL PANEL too forcefully as it can be broken 4 Disconnect the DISPLAY PWB ASSEMBLY connector from CABLE HARNESS 1 Disassemble the CONTROL PANEL ASSEMBLY refer to page 28 2 Unscrew the 4 screws from the CONTROL PANEL ASSEM...

Page 31: ...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: ...e 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 6 Disconnect the connectors 7 Unscrew 1 screw on the back 8 Disassemble the MAIN PWB ASSEMBLY CONNECTOR PROTECT COVER MAIN PWB ASSEMBLY ...

Page 33: ...f DISPENSER 1 Disassemble the CONTROL PANEL ASSEMBLY refer to page 29 2 Disassemble the TOP PLATE ASSEMBLY refer to page 30 3 Disassemble the 4 connectors from the VALVES 4 Disassemble the clamps and hoses 5 Unscrew the 2 screws in the back Connector Color Blue Housing OR BK White Housing WH BK Blue Housing GY BK Red Housing BL BK DISPENSERASSEMBLY Clamp DISPENSER ASSEMBLY INLET VALVE ASSEMBLY ...

Page 34: ...assemble the CLAMP ASSEMBLY 4 Unscrew the 4 screws from the upper part of the CABINET COVER 5 Unscrew the screw from CAP COVER 6 Unscrew the screw from inside CAP COVER 7 Put a flat screwdriver or putty knife into both sides of the CAP COVER and pull it out 3 CAP COVER CABINET COVER ...

Page 35: ...sembling the CABINET COVER connect the connector 11 Lift and separate the CABINET COVER 8 Unscrew the screw from the lower side of the CABINET COVER 1 Disassemble the CABINET COVER refer to page 32 2 Disassemble the CLAMP ASSEMBLY 3 Disassemble the GASKET TUB GASKET CLAMP GASKET ...

Page 36: ...screw from the lower side of DOOR 5 Lift door and remove HINGE COVER DOOR ASSEMBLY 1 Open the DOOR and disassemble the CLAMP ASSEMBLY 2 Unscrew the 2 screws 3 Remove connector from DOOR S W ASSEMBLY DOOR SWITCH ASSEMBLY CLAMP ASSEMBLY DOOR LOCK SWITCH ASSEMBLY Be careful The door is heavy NOTE Reconnect the connector after replacing the DOOR SWITCH ASSEMBLY ...

Page 37: ...irection 1 Disassemble the CABINET COVER refer to page 33 2 Unplug the white connector from the THERMISTOR 3 Pull it out by holding the bracket of the THERMISTOR 1 Disassemble the CONTROL PANEL ASSEMBLY refer to page 29 2 Disassemble the TOP PLATE ASSEMBLY refer to page 30 3 Disassemble two or three connectors from the NOISE FILTER 4 Unscrew a screw from the TOP BRACKET NOISE FILTER NOISE FILTER ...

Page 38: ...38 BACK COVER SENSOR ASSEMBLY BALL SENSOR 1 Unscrew the 4 screws from the BACK COVER 2 Unscrew a screw from the lower right side of the CABINET 3 Disconnect the connector from PWB HARNESS ...

Page 39: ...nscrew the 2 screws from the tub bracket 5 Remove the 6 bolts on the stator 6 Unplug the 2 connectors from the STATOR 1 Disassemble the CABINET COVER or BACK COVER 2 Disassemble the damper hinges from the tub and base 3 Separate the dampers NOTE Do not re use an old damper pin Always replace it with a new one ...

Page 40: ...40 A116 A485 A455 A410 A152 A150 A154 A110 A450 F210 F110 A102 A103 A490 A104 A105 A106 A495 A101 A100 A430 A440 A155 A201 A220 A200 A303 A300 A310 A133 A140 A130 A151 A153 A390 A141 A131 COIN TYPE ...

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

Page 42: ...351 F140 K411 K410 K110 K140 K310 K510 K111 K350 K342 K131 K311 F315 F465 K125 F466 F467 K550 F463 K130 K530 F464 K121 K122 K610 K611 K141 F145 K520 F461 K540 F468 K105 K135 F310 K571 K572 K570 K512 K340 K344 K345 K346 K342 K560 K115 K117 42 ...

Page 43: ...43 11 4 DISPENSER ASSEMBLY F432 F326 F324 F321 F323 F226 F300 F220 A275 A276 F130 F120 F441 F430 F160 F170 F462 ...

Page 44: ... 2010 PRINTED IN KOREA P No ...

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