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LG GD1329CGU Service Manual
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LG GD1329CGU Service Manual

LG GD1329CGU Service Manual

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ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY IN ORDER TO PROPERLY DIAGNOSE PROBLEMS
AND TO SAFELY PROVIDE QUALITY SERVICE ON THESE DRYERS.
MODEL : GD1329CGS/GD1329CES
GD1329CGU/GD1329CEU
GD1329CGD/GD1329CED
GD1329QGS/GD1329QES
GD1329QGU/GD1329QEU
GD1329QGD/GD1329QED
GD1329LGS/GD1329LES
GD1329LGU/GD1329LEU
GD1329LGD/GD1329LED
GD1329CGW/GD1329CEW
GD1329QGW/GD1329QEW
GD1329LGW/GD1329LEW
GD1329CGS2/GD1329CES2
GD1329QGS2/GD1329QES2
GD1329LGS2/GD1329LES2

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Summary of Contents for LG GD1329CGU

  • Page 1 ELECTRIC & GAS DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY IN ORDER TO PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY PROVIDE QUALITY SERVICE ON THESE DRYERS. MODEL : GD1329CGS/GD1329CES GD1329CGU/GD1329CEU GD1329CGD/GD1329CED GD1329QGS/GD1329QES GD1329QGU/GD1329QEU GD1329QGD/GD1329QED GD1329LGS/GD1329LES GD1329LGU/GD1329LEU GD1329LGD/GD1329LED GD1329CGW/GD1329CEW GD1329QGW/GD1329QEW GD1329LGW/GD1329LEW...
  • Page 2 IMPORTANT SAFETY NOTICE he information in this service guide is intended for use by individuals possessing skill and experience in electrical, electronic, and mechanical appliance repair. Any attempt to repair a major appliance may result in injury to persons and property damage. he manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 3: Table Of Contents

    CONTENTS 1. IMPORTANT SAFETY INSTRUCTIONS ................4 2. SPECIFICATIONS ........................ 9 3. FEATURES AND BENEFITS ....................11 4. INITIAL STEPS FOR INSTALLING YOUR DRYER ............13 5. INSTALLATION INSTRUCTIONS ..................19 6. ELECTRICAL REQUIREMENTS FOR ELECTRIC DRYERS ..........28 7. ELECTRICAL REQUIREMENTS FOR GAS DRYERS ............33 8.

  • Page 4: Important Safety Instructions

    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 person, or death. Your Safety and the safety of others is very important.
  • Page 5 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 person, or death. • Do not store or use gasoline or other flammable •...
  • Page 6 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 person, or death. GROUNDING INSTRUCTIONS This appliance must be grounded. In the event of person if you are in doubt as to whether the malfunction or breakdown, grounding will reduce the appliance is properly grounded.
  • Page 7 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 person, or death. SAFETY INSTRUCTIONS FOR INSTALLATION Exhaust/Ducting: •...
  • Page 8 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 person, or death. SAFETY INSTRUCTIONS FOR CONNECTING ELECTRICITY WARNING: To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions, including the following:...

  • Page 9: Specifications

    SPECIFICATIONS ■ Type : Electric and Gas Dryer ■ Rating : Please refer to the rating label regarding detailed information. ■ Size : 686mm(W) x 764mm(D) x 983mm(H) 27”(W) X 30 ”(D) X 38 ”(H) 11/16 ■ Capacity : IEC 7.1 cu.ft. (22.5 lb) ■...
  • Page 10 GD1329QED GD1329QGD GD1329QES GD1329QGS GD1329QEU GD1329QGU GD1329CED GD1329CGD GD1329CES GD1329CGS GD1329CEU GD1329CGU GD1329LES GD1329LGS GD1329LEU GD1329LGU REMARK GD1329LED GD1329LGD ITEM GD1329CEW GD1329CGW GD1329QEW GD1329QGW GD1329LEW GD1329LGW GD1329CES2 GD1329CGS2 GD1329QES2 GD1329QGS2 GD1329LES2 GD1329LGS2 TYPE Electric Gas (LNG) POWER SUPPLY 120/240V, 24 Amps...

  • Page 11: Features And Benefits

    FEATURES AND BENEFITS ■ CARD TYPE - SIDE BY SIDE(GD1329CGS, GD1329CES,GD1329CGS2, GD1329CES2) - STACK UPPER(GD1329CGU, GD1329CEU, GD1329CGW, GD1329CEW) - STACK LOWER(GD1329CGD, GD1329CED) ■ OPL TYPE - SIDE BY SIDE(GD1329LGS, GD1329LES,GD1329LGS2, GD1329LES2) - STACK UPPER(GD1329LGU, GD1329LEU, GD1329LGW, GD1329LEW) - STACK LOWER(GD1329LGD, GD1329LED) 1.
  • Page 12 ■ COIN TYPE - SIDE BY SIDE(GD1329QGS, GD1329QES,GD1329QGS2, GD1329QES2) ■ COIN TYPE - STACK UPPER(GD1329QGU, GD1329QEU, GD1329QGW, GD1329QEW) ■ COIN TYPE - STACK LOWER(GD1329QGD, GD1329QED) 1. DISPLAY LED 3. START BUTTON 2. CYCLE BUTTON 4. STATUS LED...
  • Page 16 STEP 4 Conne (Gas dryer only). In addition to the following, Following are several warnings and instructions concerning making the electrical connection for electric please refer to manual section on Gas Requirements dryers. More detailed information concerning the and Instructions. electrical connection is provided at the manual section entitled Electrical Requirements for Electric Dryer.

  • Page 18: Electrical Requirements For Electric Dryers

    4) Electric dryers may be vented to the outside STEP 9 Additional Instructions using the back, left, right, or bottom panel. for Installation of Your 5) Gas dryers may be vented to the outside using the Dryer in a Manufactured back, left, or bottom panel.
  • Page 19 STACK MACHINE INSTALLATION INSTRUCTIONS Single Coin & Card 1 1 - - 1 1 Coin/Card housing How to connect the housing The dryer has a connector for both a coin collector and a card reader. Use the one you need and tuck the other one away safely.
  • Page 20 GD1329QGW / GD1329QEW GCW1069QD GD1329LGW / GD1329LEW GCW1069LD STACK Dryer Dryer POSITION GD1329CGU / GD1329CEU GD1329CGD / GD1329CED GD1329QGU / GD1329QEU GD1329QGD / GD1329QED GD1329LGU / GD1329LEU GD1329LGD / GD1329LED STACKING KIT (WASHER & DRYER) TACKING KIT is pr ovided in the upper dryer.
  • Page 21 3 3 - - 1 1 Security bracket installation - Fasten two(2) screws at the top plate. - Disassemble the top plate from lower machine. - Install the security bracket in the top plate. - Install the security bracket on the upper and lower panel frame. 3 3 - - 2 2 Sliding kit installation (Lower Dryer) - Install two sliding brackets on the top plate of lower washer.
  • Page 22 3 3 - - 3 3 Sliding pad Installation (Upper Dryer) 1) Leg removal - Lay the upper dryer, set the bottom of the upper dryer. - Remove the legs from the leg brackets. 2) Leg bracket removal - Loosen the black screw fixing the leg bracket. - Remove the four(4) leg brackets from the bottom of upper dryer.
  • Page 23 3 3 - - 4 4 Control panel replace (Upper Dryer) - Loosen two(2) screws of each panel. - Remove upper and lower panel from the dryer. - Separate the blue and white connectors from control panel. - Assemble the lower panel to upper panel frame.
  • Page 24 3 3 - - 5 5 Coin harness installation - Insert the switch into the recess on the back of the coin box. - Face it toward the front so the coin box will press the button when it is in place. - Connect the coin box switch at this time.
  • Page 25 3 3 - - 6 6 Stacking the machine - Lift and stack the upper dryer on the lower washer. - Set the rear of the upper dryer and the rear of the lower washer in the same position. - Push the upper dryer matching the slide & stacking bracket to make upper and lower front parallel. 3 3 - - 7 7 Stacking bracket installation - Install the stacking bracket at the rear of the stacked dryer and washer.
  • Page 26 3 3 - - 9 9 Connecting coindrop and machines - Connect the lower coin harness to right coindrop. - Connect the upper coin harness to left coindrop. - Install the blue and white connector of the control panel to upper dryer. - Assemble the control panel of upper dryer.
  • Page 27 STACKING KIT (DRYER & DRYER) - STACKING KIT is provided in the upper dryer. P/No.: AGF30609819 - STACKING KIT includes the stacking bracket(1), security bracket(3), bolt(1), screw(9). 1) Stacking bracket 2) Sliding pad 3) Screw 4) Machine screw 4 4 - - 1 1 Installation Method (Dryer) - Coin Type Lower Stacking Coin Disassemble the control plate...
  • Page 28 4 4 - - 2 2 Installation Method (Dryer) – Coin Type Lower Stacking Coin ▶Coin Harness – provided by ESD Assemble the switch Insert the switch into the recess on the The connectors should be visible on the back of the coin box. Face it toward the rear of the box for connection to the front so the coin box will press the button harness later.
  • Page 29 Assemble the security bracket Attach the security lock bracket if it wasn’t Installed at the factory. Assemble the top plate Install the top plate on the dryer.
  • Page 30 Installation Method (Dryer) – Coin Type Upper 4 4 - - 3 3 Stacking Coin Disassemble the control plate Remove the lower control panel. (Remember, this is the TOP dryer when they are stacked.) Stack the machine Disassemble the lower panel frame Stack the upper dryer onto Connect the bolt...
  • Page 31 Disassemble the lower panel frame Remove the lower control panel. (Remember, this is the TOP dryer when they are stacked.) ▶Coin Harness – provided by ESD...
  • Page 32 Installation Method (Dryer) – Coin Type 4 4 - - 4 4 Stacking Coin ▶Coin Drop – provided by ESD Install the double coin drop mechanism onto the back of the upper dryer control panel. Attach the bolts using the nuts provided. Connect the harness to the upper dryer and secure the wiring harness.
  • Page 33 Assemble the control plate (Upper) Attach the control panel with the dual coin drop module to the bottom of top dryer. Assemble the control plate (Lower) Install security lock Attach the control panel with coin drop box module to the top of the bottom dryer.
  • Page 34 Install the stacking bracket at the There are six (6) screws that hold the assembly rear of the stacked dryers in place. Installation Method (Dryer) – Card Type 4 4 - - 5 5 Stacking Card Different point between Coin type and Card type...
  • Page 37 WARNING: Connect the power co r d to the terminal block. Each colo r ed wi r e should be connected to same color sc r e w . Wi r e color indicated on manual is connected to the same color sc r ew in block.
  • Page 38 ONNE TING ELE TRI DRYERS (cont.) WARNING: Connect the power cord to the terminal block. Each colored wire should be connected to same color screw. Wire color indicated on manual is connected to the same color screw in block. Failure to follow these instructions may result in a short or overload. Grounding through the neutral conductor is prohibited for: (1) new branch-circuit installations, (2) mobile homes, (3) recreational vehicles, and (4) areas where local codes prohibit grounding through the neutral conductor.
  • Page 39 ARNING: Connect the power co r d to the terminal block. Each colo r ed wi r e should be connected to same color sc r e w . Wi r e color indicated on manual is connected to the same color sc r ew in block.
  • Page 40 ARNING: Connect the power co r d to the terminal block. Each colo r ed wi r e should be connected to same color sc r e w . Wi r e color indicated on manual is connected to the same color sc r ew in block.

  • Page 41: Electrical Requirements For Gas Dryers

    ELECTRICAL REQUIREMENTS FOR GAS DRYERS 120 Volt, 60 Hertz, with 3-Prong Grounding Plug Following are additional instructions regarding electrical connections and requirements for gas dryers. WARNING: The wiring and grounding must conform to the latest edition of the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1, and all applicable local regulations.

  • Page 42: Gas Requirements And Instructions

    GAS REQUIREMENTS AND INSTRUCTIONS Following are important instructions and information concerning the requirements for the gas supply and service for gas dryers. IMPORTANT WARNING: The gas supply and service for a gas dryer must comply with all local codes and ordinances. In the absence of any local codes or ordinances in your area, the gas supply and service for your gas dryer must comply with the latest edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54(USA) or Canadian gas installation code CAS B149.1(Canada).
  • Page 44 A + B Over area A Exit Inspection * Lg exhaust Duct Diameter: 100mm Use the exhaust duct over the inner diameter of exhaust pipe. Do not use too small inner diameter of exhaust pipe or too long exhaust duct, Because it makes bad ventilation and low drying performance and it will be cause of trouble.
  • Page 45 FORCED MULTIPLE VENTING SYSTEM Use adjust damper to fit airflow velocity 5m/s at exit Blower (Suction fan) Outdoor Dryer (Exit) Air flow velocity Adjust :5m/s Exhaust duct Damper Exhaust Main duct Exhaust Duct...
  • Page 46 Exhaust and Dryer Maintenance Cleaning the Lint Screen 1. Clean the lint filter either before drying each load or after drying each load. Always make sure the WARNING lint filter is clean before starting a new load, • Disconnect the dryer’s electric power because a clogged lint filter may increase drying prior to any cleaning or maintenance.

  • Page 48: Component Testing Information

    COMPONENT TESTING INFORMATION ARNING ¥ When checking the Component, be sure to turn the power off, and do voltage discharge sufficiently. ¥ Failure to follow these instructions can result in death or electric shock. Component Test Procedure Check result Remark .

  • Page 51: Motor Diagram And Schematic

    MOTOR DIAGRAM AND SCHEMATIC ARNING When checking the component, be sure to turn the power off, and do discharge voltage sufficiently. Failure to follow these instructions can result in death or electric shock. ontact On / Off by entrifugal Switch STOP MODE (When Motor does not operate) RUN MODE (Motor operates) Centrifugal switch...

  • Page 52: Control Layout

    CONTROL LAY - OUT PWB ASSEMBLY DISPLAY LAY-OUT PWB ASSEMBLY LAY-OUT...

  • Page 53: Wiring Diagram

    SPECIFICATIONS CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper Operation after servicing. ELECTRIC DRYER WIRING DIAGRAM GAS DRYER WIRING DIAGRAM...

  • Page 54: Diagnostic Test

    DIAGNOSTIC TEST 1.This TEST should be used for Factory test /Service test. Do not use this DIAGNOSTIC TEST other than specified. 2.Activating the heater manually with the door open may trip the thermostat attached to the heater, therefore do not activate it manually. (Do not press the door switch to operate the heater while the door is open). Diagnostic test: (display) This program has been added for testing the dryer and detecting errors.

  • Page 55: Test 1 120Vac Electrical Supply

    Test 1 120V AC Electrical Supply WARNING • When measuring power, be sure to wear insulated gloves to avoid an electric shock. • Failure to follow these instructions can result in death or electric shock. Trouble Symptom No power was applied to controller. (LED, LCD Display off) Measurement Condition With Dryer Power On;...
  • Page 56 ARNING When measuring power, be sure to wear insulated gloves, to and avoid an electric shock. Failure to follow these instructions can result in death or electric shock. heck the Tab Relays onnection properly. Trouble Symptom With Dryer Power On; onnector linked to ontroller. Measurement Condition 1.Power Connection Table1 : onnection of the Tab Relay with Heater (Electric)
  • Page 58 est 2 hermistor est --- Measure with Power Off ARNING Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging, contact the metal plug of power cord with the ground.) Failure to follow these instructions can result in death or electric shock. uring iagnostic Test, tE1 and tE2 error occur.

  • Page 59: Test 3 Motor Test

    Test 3 Motor Test WARNING • Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging, contact the metal plug of power cord with the earth line.) • Failure to follow these instructions can result in death or electric shock. Trouble Symptom Drum does not turn, fan does not blow, and heater does not operate.
  • Page 60 oisture Sensor est 4 ARNING Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging, contact the metal plug of power cord with the earth line.) Failure to follow these instructions can result in death or electric shock. egree of dryness does not match with dry level.

  • Page 61: Test 5 Door Switch Test

    Test 5 Door switch test WARNING • Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging, contact the metal plug of power cord with the earth line.) • Failure to follow these instructions can result in death or electric shock. Door opening is not sensed.
  • Page 62 est 6 eater switch test - Electric Type ARNING Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging, contact the metal plug of power cord with the ground) Failure to follow these instructions can result in death or electric shock. hile operating, heating will not work.
  • Page 63 est 7 AS valve test - as Type ARNING ¥ When measuring power, be sure to wear insulated gloves to avoid an electric shock. ¥ Failure to follow these instructions can result in death or electric shock. hile operating, heating will not work. Drying time takes longer.

  • Page 64: Error Mode

    ERROR MODE Meaning of Error Codes that LED displays during occurrence or problem. Dryer error code PROBLEM POSSIBLE CAUSE SOLUTION It is displayed when thermistor is open. Thermistor should be replaced. It is displayed when thermistor is shorted. Thermistor should be replaced. Disconnection of card reader wire.
  • Page 67 SPECIFICATIONS WARNING • Disassemble and repair the unit only after pulling out power plug from the outlet. • Failure to follow these instructions can result in death or electric shock. CONTROL PANEL ASSEMBLY WARNING • When you disassemble the control panel, be sure to take gloves and careful panel frame’s edge.
  • Page 68 TOP PLATE WARNING • When you disassemble the top plate, be sure to take gloves and careful plate’s edge. Failure to do so can cause serious injury. Remove 2 screws on the control panel frame. Push the top plate backward forcefully. Lift the plate.
  • Page 69 LOWER COVER Remove 2 screw on the lower cover. Take out of the lower cover. COVER CABINET WARNING • When you disassemble the door switch connector, be sure to take gloves and careful cabinet edge. Failure to do so can cause serious injury. Open the door assembly.
  • Page 70 PANEL FRAME Disconnect the housing of the panel frame. Remove 4 screws on the panel frame. Disassemble panel frame from pulling upside. Push Push LOWER FRAME Disconnect the housing of the panel frame. Remove 4 screw on the panel frame. Disassemble lower frame from pulling forward with pushing down.
  • Page 71 TUB DRUM [FRONT] Disassemble the top plate. Remove cover cabinet. Disconnect the door lamp and electrode sensor connector. Remove 4 screws. Disassemble the tub drum front. DRUM ASSEMBLY Disassemble the top plate. Remove the cabinet cover and drum front. Loosen belt from motor and idler pulleys. Carefully remove the drum.
  • Page 72 DRYER EXHAUST CHANGE Remove the screw. 2-1. Detach and remove a knockout at the botton, left or right side as desired. (Right side vent not available on gas dryer) the order of work. 2-2. Replace it with an 11-inch (28 cm) duct DUCT connected to the blower housing, and attach TAPE...
  • Page 73 FILTER ASSEMBLY Remove the filter. Remove 3 screws. Remove the cover grid. Disconnect the electrode sensor. BLOWER HOUSING Disassemble the top plate. Remove the cabinet cover and drum front. Remove the Drum assembly. Remove 2 screws and cover (air guide). Remove the bolt and washer.
  • Page 74 AIR DUCT Disassemble the top plate. Remove the cover cabinet. Remove the filter and 2 screws. Remove the air duct. Rollers Disassemble the top plate. Remove the cover cabinet and tub drum [front]. Remove the drum assembly and tub drum [rear]. Disconnect the air duct from the tub drum [front].

  • Page 75: Exploded View

    EXPLODED VIEW 19-1-1. Control Panel & Plate Assembly - Coin / OPL Type A210 A116 A120 A110...
  • Page 76 19-1-2. Control Panel & Plate Assembly - Card Type A210 A117 A116 A120 A110...

  • Page 77: Cabinet & Door Assembly - Electric Stack Upper Type

    19-2-1. Cabinet & Door Assembly - Electric Stack Upper Type A900 A800 A570 A560 A212 A130 A390 A131 A330 A600 A325 A500 A300 A601 A320 A305 A530 A310 A510 A520 A308 A540 A391 A460 A525 A113 A400 A410 A450 A430 A420...

  • Page 78: Cabinet & Door Assembly - Electric Stack Lower Type

    19-2-2. Cabinet & Door Assembly - Electric Stack Lower Type * Application Model: GD1329QED A800 A390 * Application Model: GD1329QES GD1329CED GD1329CES A570 A560 GD1329LED A212 GD1329LES GD1329QES2 GD1329CES2 GD1329LES2 A600 A131 A330 A130 A325 A500 A300 A320 A305 A530 A310 A510 A520...

  • Page 79: Cabinet & Door Assembly - Gas Stack Upper Type

    19-2-3. Cabinet & Door Assembly - Gas Stack Upper Type A900 A800 A212 A130 A390 A600 A131 A330 A550 A325 A500 A300 A601 A320 A305 A530 A310 A510 A520 A308 A540 A391 A460 A525 A113 A400 A420 A410 A450 A430...

  • Page 80: Cabinet & Door Assembly - Gas Stack Lower Type

    19-2-4. Cabinet & Door Assembly - Gas Stack Lower Type * Application Model: GD1329QGD A800 A390 A212 * Application Model: GD1329QGS GD1329CGD GD1329CGS GD1329LGD GD1329LGS GD1329QGS2 GD1329CGS2 GD1329LGS2 A600 A550 A131 A330 A130 A325 A500 A300 A320 A305 A530 A310 A510 A520 A308...
  • Page 81 19-3-1. Drum & Motor Assembly: Electric Type F200 K400 K120 K140 K100 K130 K250 K251 K310 K320 K340 K330 K335 K620 K230 K210 K336 K250 K360 K350 K610 K550 K560 K251 K240 K530 F140 K660 K515 K651 K510 K520 K655 K640 K540 F130...

  • Page 82: Drum & Motor Assembly: Gas Type

    19-3-2. Drum & Motor Assembly: Gas Type F200 K400 K120 K140 K100 K130 K250 K251 K310 K320 K340 K330 K335 K620 K230 K210 K336 K250 K360 K350 K610 K550 K560 K251 K240 K530 K660 K515 K651 K510 K520 K655 K640 K540 M141 M150...
  • Page 83 MARCH. 2010 PRINTED IN KOREA P/No. : MFL62119919...

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