LG DLEX0001TM Service Manual
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LG DLEX0001TM Service Manual

Electric & gas dryer
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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 : DLEX0001TM / DLGX0002TM
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca

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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 : DLEX0001TM / DLGX0002TM...
  • Page 2 November 2007 PRINTED IN KOREA P/No. : 3828EL3005P...

  • Page 3: 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 4: 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. CONTROL LAYOUT ......................18 8.

  • Page 5: Specifications

    SPECIFICATIONS I Name: Electric and Gas Dryer I Power supply: Please refer to the rating label regarding detailed information. I Size: 27 X 29.9 X 38.7 (inch) I Dryer capacity: IEC 7.3 cu.ft. I Weight: 131(Ibs) ❋ Specifications are subject to change by manufacturer. I ACCESSORIES Dryer rack (1 each) Stacking kit (1 each)
  • Page 6 DLEX0001TM REMARK ITEM DLGX0002TM Color Natural Material & Top Plate Finish Door Trim Chromate POWER SUPPLY 120V/240V 60Hz (26A) MOTOR 250W (4.5A) AC 120V ELECTRICITY HEATER 5400W (22.5A) AC 240V (ELECTRIC MODEL) CONSUMPTION 15 W (0.2A) LAMP AC 120V GAS VALVE...

  • Page 7: Features And Benefits

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

  • Page 8: Stacking Kit Installation Instructions

    Stacking Kit Installation Instructions To ensure safe and secure installation, please observe the instructions below. Secure the side bracket to the washer with WARNING 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 9 Attach the double-faced tape of the bracket to the After removing the protective covering from the For washer, dryer, and combo LG 27” dryer as shown so the bent parts of the brackets adhesive surface, align the screw holes in the...
  • Page 10 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 11 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 12 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 13: 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 14: Dryer Cycle Process

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

  • Page 15: 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 16 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 17 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 18: 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 19: Control Layout

    CONTROL LAY - OUT PWB ASSEMBLY DISPLAY LAYOUT 7-SEG Display in QC-Test MODE 7-SEG MAIN P/NO DISPLAY P/NO NOTE DISPLAY EBR36858805 18:88 Electric, Triton(D) LCD, North America EBR39326101 Gas, Triton(D) LCD, North America EBR36858806 18:88 PWB ASSEMBLY LAYOUT Main PWB Asm (TRITON DRYER) MODEL AS DIAGNOSTIC TEST STEAM STEAM...

  • Page 20: Wiring Diagram

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

  • Page 21: Steam Function

    STEAM FUNCTION 9-1. Steam Cycle Guide DEFAULT TEMP. FABRIC FABRIC MAXIMUM STEAM TIME CONTROL LEVEL STATE TYPE AMOUNT Single (1 each) Comforter STEAM FRESH Shirts 5 each (20 minutes) *except specially delicate fabrics STEAM STEAM FRESH REDUCE FRESH 8 lbs. Shirts (10 minutes) STATIC...

  • Page 22: Troubleshooting For Steam Dryer

    9-2. Troubleshooting for Steam Dryer SOLUTIONS PROBLEM POSSIBLE CAUSES • This is steam condensation. Water drips from nozzle • This is normal. The dripping water will stop after a short time. when Steam Cycle starts. The drum does not turn •...

  • Page 23: Flow Sensor Function

    FLOW SENSOR FUNCTION 10-1 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 24: Installation Check

    10-2 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 25: Troubleshooting For Flow Sensor Dryer

    10-3 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 26: 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 27 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 28: Test 1 120V Ac Electrical Supply

    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 29 < 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 30: Test 2 Thermistor Test

    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 31: 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 32: 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 33: 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 34: Test 6 Heater Switch Test - Electric Model

    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 35: Test 7 Gas Valve Test - Gas Model

    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 36: 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 37: 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 38: 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 39 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 40: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Disassemble and repair the unit only after pulling out power plug from the outlet. 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. Romove 3 screws on the upper plate.
  • Page 41 Pull ou the drawer. Unscrew one screw. Lift out the Steam feeder.
  • Page 42 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 2 screws Disconnect the connectors. Remove 2 screws on cover cabinet assembly. After pushing 2 hooks, pull the cover cabinet assembly upward and then backward.
  • Page 43 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. Remove 4 screws. Disassemble the control panel assembly. Remove 8 screws on the PWB(PCB) assembly, display.
  • Page 44 Taking out 3 screws from body frame. Unscrew 3 screws from body frame. Disassemble the body frame. Push the housing hook then separate. Push the guide assembly forward then lift it up. Hook Separate hoses from the pump and Generator. Lift a pump and a generator up.
  • Page 45 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. Remove 4 screws.
  • Page 46 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 Remove the filter. Remove 3 screws. Remove the Cover Grid. Disconnect the electrode sensor. 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. Remove the fan.
  • Page 48 Disassemble the top plate. Remove the Cover Cabinet. Remove the filter and 2 screws. Remove the air duct. 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]. Remove the roller from the Tub Drum [Front] and Tub Drum [Rear].

  • Page 49: Exploded View

    EXPLODED VIEW 14-1. Control Panel & Plate Assembly A211 A210 A130 A120 A140 A110...

  • Page 50: Panel Drawer Assembly & Guide Assembly

    14-2. Panel Drawer Assembly & Guide Assembly K503 K508 K502 K506 K501 K505 K504 K507 A090 A360 A172 A161 A160 A171 A170 A350...

  • Page 51: Cabinet & Door Assembly: Electric Model

    14-2-1. Cabinet & Door Assembly: Electric Type A590 A700 A800 A570 A560 A390 A330 A600 A131 A500 A300 A320 A305 A530 A310 A520 A525 A430 A540 A400 A460 A410 A450 A420...

  • Page 52: Cabinet & Door Assembly: Gas Model

    14-2-2. Cabinet & Door Assembly: Gas type A590 A700 A800 A390 A330 A600 A131 A550 A500 A300 A320 A305 A530 A520 A310 A525 A430 A540 A400 A460 A450 A410 A420...

  • Page 53: Drum & Motor Assembly: Electric Model

    14-3-1. Drum & Motor Assembly: Electric Type K400 K420 K410 F200 K120 K140 K100 K130 K250 K251 K310 K330 K320 K340 K222 K221 K620 K230 K210 K250 K350 K360 K610 K550 K560 K251 K240 K530 K640 K651 F140 K510 K520 K540 F130 F110...

  • Page 54: Drum & Motor Assembly: Gas Model

    14-3-2. Drum & Motor Assembly: Gas type K400 K420 K410 F200 K120 K140 K100 K130 K251 K250 K310 K330 K320 K340 K222 K221 K620 K230 K210 K250 K350 K360 K610 K550 K560 K251 K240 K530 K640 K651 K510 K520 K540 M141 M150 M240...

This manual is also suitable for:

Dlgx0002tmDlex2501 seriesDlgx2502 series

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