LG DLEX3001W Service Manual
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LG DLEX3001W Service Manual

Electric & gas dryer
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See also: User Manual and Installation Instructions
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 : Electric
DLEX3001W
DLEX3001R
DLEX3001P
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca
Gas
DLGX3002W
DLGX3002R
DLGX3002P

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  • Page 1 U.S.A. Website: http://us.lgservice.com Canadian Website: http://lg.ca 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 : Electric DLEX3001W DLGX3002W DLEX3001R DLGX3002R DLEX3001P...

  • Page 2: What To Do If You Smell Gas

    IMPORTANT SAFETY NOTICE The 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 personal injury and property damage. The 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. SPECIFICATIONS ....................... 4 2. FEATURES AND BENEFITS ....................6 3. INSTALLATION INSTRUCTIONS ..................6 4. DRYER CYCLE PROCESS ....................13 5. COMPONENT TESTING INFORMATION ................. 14 6. MOTOR DIAGRAM AND SCHEMATIC ................17 7. WIRING DIAGRAM ......................18 8.

  • Page 4: Specifications

    SPECIFICATIONS Name: Electric and Gas Dryer Please refer to the rating label regarding detailed Power supply: information. Size : 27 X 30 X 38.7 (inch) Dryer capacity: IEC 7.4 cu.ft. Weight: 136(lbs) Specifications are subject to change by manufacturer. ACCESSORIES Dryer rack (1 each) Stacking kit (1 each) Pedestal (1 each)
  • Page 5 DLEX3001W DLGX3002W DLEX3001R DLGX3002R REMARK ITEM DLEX3001P DLGX3002P Color Blue White / Candy Red / Platinum Silver Material & Top Plate Porcelain Finish Door Trim Chromate POWER SUPPLY 120V/240V 60Hz (26A) 250W (4.5A) AC 120V MOTOR AC 240V(ELECTRIC MODEL) HEATER 5400W (22.5A)

  • Page 6: Features And Benefits

    FEATURES AND BENEFITS INSTALLATION INSTRUCTIONS Dryer Rack Installation Instructions Open the door. Put the dryer rack into Check and be sure that the Hold the dryer rack the drum front of the rack is properly with both hands. seated behind the lint filter.

  • Page 7: Stacking Kit Installation Instructions

    Stacking Kit Installation Instructions To ensure safe and secure installation, please observe the instructions below. WARNING Secure the side bracket to the washer with a screw on the back of the bracket. Repeat Steps 2, 3, & 4 for the other side. Do not attempt this alone! At least two people are required to lift and position the dryer on top of a washing...

  • Page 8: Tools Needed For Installation

    Pedestal Installation Instructions The pedestal accessory includes: Place the dryer on the For dryer • • Drawer divider (1) Wrench (1) pedestal. Make sure • • the front and back feet Screws (18) † Retainers (4) †† are in the correct positions.
  • Page 9 Electric Dryer Only Review the following options to determine the appropriate electrical connection for your home: 4-wire receptacle 4-wire connection : Direct wire (NEMA type14-30R) Important : Grounding through the neutral conductor is prohibited for (1) new branch-circuit installations, (2) mobile homes, and (3) recreational vehicles, and Use the instructions under option 1 if your home (4) areas where local codes prohibit grounding through homehas a 4-wire receptacle (NEMA type 14-30R).
  • Page 10 3-wire connection : Direct wire Option 1: 4-wire connection with a Power supply cord. Important : Grounding through the neutral conductor is prohibited for (1) new branch-circuit installations, • lf your local codes or ordinances do not allow the (2) mobile homes, and (3) recreational vehicles, and use of a 3 wire connection, or you are installing (4) areas where local codes prohibit grounding through your dryer in a mobile home, you must use a 4-...
  • Page 11 Option 3: Optional 3-wire Option 2: 3-Wire Connection with connection. a Power Supply Cord • If your local codes or ordinances do not allow the lf your local codes or ordinances permit the connection of a frame-grounding conductor to the connection of a frame-grounding conductor to the neutral wire, use the instructions under this neutral wire, use these instructions.

  • Page 12: Connect Gas Supply Pipe (Gas Dryer Only)

    3-2. Connect Gas Supply Pipe (Gas Dryer ONLY) For further assistance, refer to section on Gas Requirements. 1. Make certain your dryer is equipped for use with the 3. Connect to gas supply pipe using a new flexible type of gas in your laundry room. Dryer is equipped stainless steel connector.

  • Page 13: Dryer Cycle Process

    DRYER CYCLE PROCESS Default Conditions of operation and termination Drying Cooling Wrinkle care Cycle Temp- Display erature Level time Electro- Temp- Default Temp- Time sensor control time Control** HEAVY DUTY HIGH (Normal) 54min Saturation 68 4 (5min) 47 5 COTTON/ (Normal) 55min Saturation 66 4 (5min) 47 5 HIGH...

  • Page 14: Component Testing Information

    COMPONENT TESTING INFORMATION When checking the Component, be sure to turn the power off, and do voltage discharge sufficiently. CAUTION Component Test Procedure Check result Remark 1. Thermal cut off Measure resistance of terminal If thermal fuse is open must •...
  • Page 15 Component Test Procedure Check result Remark 7. Heater Measure resistance of the • Electric type following terminal Terminal: 1 (COM) - 2 Resistance value: 10Ω Terminal: 1 (COM) - 3 Resistance value: 10Ω Terminal: 2 - 3 Resistance value: 20Ω 8.
  • Page 16 Component Test Procedure Check result Remark 13. Outlet Thermostat Measure resistance of terminal • Gas type (Auto reset) to terminal • Gas funnel ∞ Open at 203 ± 7°F (95 ± 5°C) Resistance value Continuity < 1Ω Close at 158 ± 9°F (70 ± 5°C) •...

  • Page 17: Motor Diagram And Schematic

    MOTOR DIAGRAM AND SCHEMATIC When checking Component, be sure to turn Power off, then do voltage discharge sufficiently. NOTE Contact On / Off by Centrifugal Switch STOP MODE RUN MODE (When Motor does not operate) (Motor operates) Centrifugal switch Centrifugal switch (Pull Drive forward)

  • Page 18: Wiring Diagram

    WIRING DIAGRAM ELECTRIC DRYER WIRING DIAGRAM GAS DRYER WIRING DIAGRAM...

  • Page 19: Steam Function

    STEAM FUNCTION 8-1. Steam Cycle Guide TEMP. FABRIC MAXIMUM DEFAULT TIME FABRIC TYPE STEAM CONTROL LEVEL STATE AMOUNT Comforter Single (1 each) STEAM Bedding STEAM SANITARY SANITARY (39 minutes) Children’s clothing 3 lbs. STEAM FRESH Comforter Single (1 each) Shirts* (20 minutes) 5 each 8 lbs.

  • Page 20: Troubleshooting For Steam Dryer

    8-2. Troubleshooting for Steam Dryer POSSIBLE CAUSES SOLUTIONS PROBLEM The display shows: • Water supply error. • Check steam feeder drawer: (1) Make sure steam feeder is filled with water to MAX line. (2) Make sure steam feeder is seated properly and drawer is fully cloased.

  • Page 21: Display Fault/Error Codes For Steam Dryer

    POSSIBLE CAUSES SOLUTIONS PROBLEM • This is normal. • Steam is released at different stages of the cycle Cannot see steam vapor at the for each option. beginning of cycle. The display shows • MORE TIME button • Pressing the MORE TIME button several times will BULKY LOAD.

  • Page 22: Flow Sensor Function

    FLOW SENSOR FUNCTION 9-1 Flow sensor This FlowSense function detects the clogging or blocking of ducts. “Clogged” duct vents or hoses decrease efficiency in drying cloths. Clogged vents can also cause fire. This function alarms you, when to clean the ducts. When the alarm about Duct clogging is on display of the panel, your duct vents should be cleaned by yourself or serviceman.

  • Page 23: Installation Check

    9-2 Installation check This feature allows you to quickly verify that the exhaust system is adequate for the normal function of the dryer. The check takes only two minutes. The results of the check are displayed in the FlowSense display window as shown below (Fig.

  • Page 24: Troubleshooting For Flow Sensor Dryer

    9-3 Troubleshooting for flow sensor dryer 1. Flow sensor bars light up Is Lint Filter full? Clean lint filter before every load Is Duct clogged? Check & clean duct. 2. Flow sensor bars light up and does not disappear. 1. Flow sensor lights up 2 bars even when vents have been clean and even when the vents are off. This is Normal.

  • Page 25: 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.

  • Page 26: Test 1 120V Ac Electrical Supply

    Test 1 120V AC Electrical supply When measuring power, be sure to wear insulated gloves, to and avoid an Caution electric shock. Trouble Symptom No power was applied to Controller. (LED,LCD Display off) Measurement Condition With Dryer Power On; Connector linked to Controller. •...

  • Page 27: Power Connection

    Caution When measuring power, be sure to wear insulated gloves, to and avoid an electric shock. Trouble Symptom Check the Tab Relays Connection properly. Measurement Condition With Dryer Power On; Connector linked to Controller. 1.Power Connection < Table1 > : Connection of the Tab Relay with Heater (Elec) Tab Relay 1 Tab Relay 2 Heater 1 Heater 2...
  • Page 28 < Table 2 > : Connection of Tab Relay with PCB ASSEMBLY (Gas) Remark Color Harness Blue Wire Check the Matching color Between Harness wire and Tab Relay. Black Connector Housing (Black Housing – Black Tab Relay) Black Wire Connector Housing Tap relay 1 3.

  • Page 29: Test 2 Thermistor Test - Mezsure With Power Off

    Test 2 Thermistor Test --- Measure with Power Off Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with the Ground.) During Diagnostic Test, tE1 and tE2 Error occur. Trouble Symptom During operation, Heater would not turn off, or remains on.

  • Page 30: Test 3 Motor Test

    Test 3 Motor test Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) Trouble Symptom Drum will not rotate; No fan will function; No Heater will work. Measurement Condition Turn the Dryer’s Power Off, then measure resistance.

  • Page 31: Test 4 Moisture Sensor

    Test 4 Moisture sensor Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) Trouble Symptom Degree of dryness does not match with Dry Level. Measurement Condition Turn the Dryer’s Power Off, then measure resistance.

  • Page 32: Test 5 Door Switch Test

    Test 5 Door switch test Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) Door Opening is not sensed.(During operation, when opening Door, Drum motor and Trouble Symptom Heater run continuously) Door Close is not sensed.

  • Page 33: Test 6 Heater Switch Test - Electric Type

    Test 6 Heater switch test - Electric Type Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) While operating, Heating will not work. Trouble Symptom Drying time takes longer.

  • Page 34: Test 7 Gas Valve Test - Gas Type

    Test 7 GAS Valve test - Gas Type Caution When measuring power, be sure to wear insulated gloves, to avoid electric shock. While operating, Heating will not work. Trouble Symptom Drying time takes longer. Measurement Condition With dryer power on Power On &...

  • Page 35: Test 8 Semi-Conductor

    Test 8 Semi Conductor Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) Degree of Resistance is not in 300°æ30 Ω Trouble Symptom Measurement Condition Turn the Dryer’s Power Off, then measure resistance.

  • Page 36: Test 10 Generator Assembly

    Test 10 Generator Assembly Before measuring resistance, be sure to turn Power off, and do voltage discharge. Caution (When discharging, contact the metal plug of Power cord with earth line.) During Steam cycle, Generator Assembly is not heating. Trouble Symptom During Diagnostic Test, tE4 Error occur.

  • Page 37: Change Gas Setting (Natural Gas, Propane Gas)

    CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) Changing orifices and gas valve adjustments improperly can result in an Warning explosion and/or fire. Conversion must be made by a qualified technician. Initially , Natural Gas mode is set. Propane Gas Orifice is on sale as a Service Part to authorized servicers only.
  • Page 38 GAS VALVE FLOW START KEY PUSH VALVE 1 ON (VALVE 2 OFF) IGNITER ON IGNITER TEMPERATURE ABOUT FLAME DETECT OPEN VALVE 2 ON GAS IGNITION FLAME DETECT CLOSE DRYING VALVE 2 OFF GAS IGNITION GAS VALVE STRUCTURE Adjustment Screw START VALVE 1 IGNITER FLAME...

  • Page 39: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Disassemble and repair the unit only after pulling out power plug from the outlet. TOP PLATE WARNING ! When you disassemble the top plate, be sure to take gloves and careful plate edge. Failure to do so can cause serious injury.
  • Page 40 PANEL DRAWER ASSEMBLY Pull out the drawer Lift out the Steam feeder. Remove 2 screws on the control panel.
  • Page 41 CONTROL PANEL ASSEMBLY WARNING ! When you disassemble the control panel, be sure to take gloves and careful panel frame’s edge. Failure to do so can cause serious injury. Remove 1 screw on the control panel frame. Disconnect the connectors. Pull the control panel assembly upward and then forward.
  • Page 42 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. Disassemble the top plate. Disassemble the control panel assembly. Disassemble the door assembly. Remove 2 screws.
  • Page 43 GUIDE ASM Remove 3 screws on the frame body. Push the Guide ASM to the back side and then lift it. Separate 2 hoses from the pump and generator. Lift a pump and a generator up.
  • Page 44 FRAME BODY & PANEL FRAME Remove 3 screws on the frame body and then disassemble the frame body. Remove 4 screws on the panel frame and then disassemble the panel frame.

  • Page 45: Drum Assembly

    TUB DRUM [FRONT] WARNING ! When you disassemble the lamp connector, be sure to take gloves and careful cabinet edge. Failure to do so can cause serious injury. Disassemble the top plate. Remove Cover Cabinet. Disconnect the door lamp and electrode sensor connector.

  • Page 46: Dryer Exhaust Change

    DRYER EXHAUST CHANGE Remove a screw and the exhaust duct. 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. Reconnect the another duct [11 in (28cm)] to DUCT the blower housing, and attach the duct to the TAPE...

  • Page 47: Filter Assembly

    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 Tub Drum [Front]. Remove the Drum assembly. Remove 2 screws and cover (Air guide). Remove the bolt and washer.

  • Page 48: Air Duct

    AIR DUCT Disassemble the top plate. Remove the Cover Cabinet. Remove the filter. Remove the Cover guide. Remove 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 49: Exploded View

    EXPLODED VIEW 13-1. Control Panel & Plate Assembly A211 A210 A130 A120 A140 A110...

  • Page 50: Panel Drawer Assembly & Guide Assembly

    13-2. Panel Drawer Assembly & Guide Assembly K502 K503 K508 K506 K501 K505 K504 K507 A090 A172 A161 A160 A171 A170 A350...

  • Page 51: Cabinet & Door Assembly: Electric Type

    13-3-1. Cabinet & Door Assembly: Electric Type A590 A700 A800 A570 A390 A560 A131 A600 A330 A500 A320 A300 A530 A510 A310 A520 A525 A410 A430 A540 A400 A420 A450 A460...

  • Page 52: Cabinet & Door Assembly: Gas Type

    13-4-1. Drum & Motor Assembly: Electric Type F200 K400 K420 K410 K120 K140 K100 K130 K250 K251 K310 K320 K330 K222 K340 K221 K620 K230 K210 K250 K360 K350 K610 K560 K550 K251 K240 K530 F140 K640 K651 K515 K510 K520 K540 F130 F110...
  • Page 53 JUL. 2008 PRINTED IN KOREA P/No.: 3828EL3005U...

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