LG DLGX8001 Service Manual
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LG DLGX8001 Service Manual

Electric & gas dryer
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ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS PROPERLY AND TO PROVIDE
QUALITY SERVICE SAFELY ON THESE DRYERS.
MODEL : Electric
DLEX8000
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca
Gas
DLGX8001

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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 TO DIAGNOSE PROBLEMS PROPERLY AND TO PROVIDE QUALITY SERVICE SAFELY ON THESE DRYERS. MODEL : Electric DLEX8000 DLGX8001...

  • 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 injury to persons, 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 ....................14 5. COMPONENT TESTING INFORMATION ................. 15 6. MOTOR DIAGRAM AND SCHEMATIC ................18 7. WIRING DIAGRAM ......................19 8.

  • Page 4: Specifications

    SPECIFICATIONS DLEX8000 DLGX8001 Model Name Electric and Gas Dryer Power supply Please refer to the rating label regarding detailed information Size 29” (W) X 32.1” (D) X 40.8” (H) (inch) Dryer capacity IEC 9.0 cu.Ft. IEC 9.0 cu.Ft. 158 (lbs)
  • Page 5 REMARK ITEM DLEX8000 DLGX8001 Color Blue White / Stainless Silver Material and Top Plate Powder coating Finish Door Trim Chrome 120 V / 240 V / 60 Hz (26 A) ELEC. Power 120 V / 208 V / 60 Hz (23 A)

  • Page 6: Features And Benefits

    FEATURES AND BENEFITS DLEX8000* / DLGX8001* 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.
  • Page 7 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, and 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 Pedestal Installation Instructions The pedestal accessory includes: Place the dryer on the • • For dryer Drawer divider (1) Wrench (1) pedestal. Make sure • • Screws (18) † T-clips (4) †† the front and back feet are in the correct positions.
  • Page 9 Wi-Fi Modem Installation Access Point PC or Smart Phone The installation instructions for the Wi-Fi modem are supplied with the modem. Connecting your appliance to Wi-Fi allows you to monitor your appliance using your Smart Phone. The optional Wi-Fi Modem, Access Point and a Smart Phone are essential in order to use the Wi-Fi functions on your appliance.
  • Page 10 Connecting gas dryers WARNING To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions, including the following: Gas supply requirements: Connect the dryer to the type of gas shown on the nameplate. As shipped from the factory, this dryer is configured for use Failure to do so can result in fire, explosion, or death.
  • Page 11 Connecting gas dryers (cont.) WARNING Connecting the Gas Supply 1. Make sure that the gas supply to the laundry room is turned To reduce the risk of fire, electric shock, or injury to persons when OFF. Confirm that the type of gas available in your laundry room using this appliance, follow basic precautions, including the following: is appropriate for the dryer.
  • Page 12 Connecting electric dryers WARNING WARNING To help prevent fire, electric shock, serious injury, or death, the To reduce the risk of fire, electric shock, or injury to persons when wiring and grounding must conform to the latest edition of the using this appliance, follow basic precautions, including the National Electrical Code, ANSI/NFPA 70 and all applicable local following:...
  • Page 13 Connecting Electric Dryers (cont.) USA only WARNING Use a 30 A, 240 V, UL-listed power cord with #10 AWG- minimum copper conductor and closed loop or forked Connect the power cord to the terminal block. Each colored terminals with upturned ends. wire should be connected to same color screw.
  • Page 14 Connecting Electric Dryers (cont.) USA only WARNING L-listed 4-wire #10 AWG-minimum copper conductor cable. Connect the power cord to the terminal block. Each colored wire should be connected to same color screw. Wire color Allow at least 5 ft. (1.5 m) length to allow for removal and indicated on manual is connected to the same color screw reinstallation of the dryer.
  • Page 15 Connecting Electric Dryers (cont.) USA only WARNING se a 30 A, 240 V, UL-listed power cord with #10 AWG- minimum copper conductor and closed loop or forked Connect the power cord to the terminal block. Each colored terminals with upturned ends. wire should be connected to same color screw.
  • Page 16 Connecting Electric Dryers (cont.) USA only WARNING L-listed 3-wire #10 AWG-minimum copper conductor cable. Connect the power cord to the terminal block. Each colored wire should be connected to same color screw. Wire color Allow at least 5 ft. (1.5 m) length to allow for removal and indicated on manual is connected to the same color screw reinstallation of the dryer.

  • Page 17: Dryer Cycle Process

    DRYER CYCLE PROCESS DLEX8000 / DLGX8001 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** MID HIGH 20 min STEAM FRESH Saturation 64±2˚C 5 min 45˚C...

  • Page 18: Component Testing Information

    COMPONENT TESTING INFORMATION CAUTION When checking components, turn the power off and discharge voltage. Component Test Procedure Check result Remark 1. Thermal cut off Measure resistance of terminal If thermal fuse is open must • Heater case- to terminal be replaced Safety Open at 284 ±...
  • Page 19 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 20 Component Test Procedure Check result Remark 13. Outlet Thermostat Measure resistance of terminal • Gas type (Auto reset) to terminal • Gas funnel Open at 203 ± 41°F (95 ± 5°C) ∞ Resistance value Continuity < 1Ω Close at 158 ± 41°F (70 ± 5°C) •...

  • Page 21: Motor Diagram And Schematic

    MOTOR DIAGRAM AND SCHEMATIC NOTE When checking components, turn the power off and discharge voltage. 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 22: Wiring Diagram

    WIRING DIAGRAM...

  • Page 23: Steam Function

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

  • Page 24: Troubleshooting

    8-2. Troubleshooting POSSIBLE CAUSES SOLUTIONS PROBLEM • Water supply error. • Check steam feeder drawer: (1) Make sure steam feeder is filled with water to MAX line. indicator lights is on (2) Make sure steam feeder is seated properly during the drying and drawer is fully closed.

  • Page 25: Display Fault/Error Codes

    POSSIBLE CAUSES SOLUTIONS PROBLEM Cannot see steam • This is normal. • Steam is released at different stages of the cycle vapor at the for each option. beginning of cycle. • MORE TIME pressed. • Pressing the MORE TIME button adjusts the The display shows: load size from 1to 5 articles or a big load indicated by...

  • Page 26: 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 alerts you to the need of cleaning the duct. When the alarm about Duct clogging is displayed, clean the duct or call a servicer to clean them.

  • Page 27: Installation Test (Exhaust Check)

    9-2 Installation test (Duct Check) 4. Check the display for results. Once you have completed the installation of the dryer, use this test to make sure the condition of the exhaust system is adequate During the two minute test cycle, monitor the FLOW SENSE display on the control panel.
  • Page 28 Check the Error Code before you call for service • Error Code Possible Causes Solutions Temperature sensor failure Turn off the dryer and call for • • tE1 or tE2 service. Humidity Sensor failure. Turn off the dryer and call for •...

  • Page 29: 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 30 Function of PCB Connector Connect Part Color Load of Pin No. Remark Yellow Motor Electric & Gas Model Heater (Outer Coil) Electric Model Black Igniter Gas Model Relay Heater (Inner Coil) White Steam Heater (In) X561 Blue Electric & Gas Model X562 Blue Steam Heater (out)

  • Page 31: Power Connection

    When measuring power, be sure to wear insulated gloves, to and avoid an Caution electric shock. Trouble Symptom Check the Tab Relays Connection properly. With Dryer Power On; Connector linked to Controller. Measurement Condition 1.Power Connection < Table1 > : Connection of the Tab Relay with Heater (Elec) Heat coil Remark High...
  • Page 32 < 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 (Black Housing – Black Tab Relay) Connector Housing Black Wire Connector Housing Tap relay X4 3.

  • Page 33: Test 1 120V Ac Electrical Supply

    Test 1 120V AC Electrical supply NOTE: To properly check power supply in case of floating neutral or high resistance connections, a load must be applied to the circuit. It is important that the power button be pressed while checking the voltages as described below. With the dryer plugged in, press the POWER button to turn on dryer.
  • Page 34 Test 2 Thermistor Test --- Measure with Power Off Before measuring resistance, be sure to turn the power off and discharge voltage. Caution (When discharging, contact the metal plug of power cord with the ground.) During diagnostic test, tE1 and tE2, an error occurs. Trouble Symptom During operation, the heater does not turn off.

  • Page 35: Test 3 Motor Test

    Test 3 Motor Test Before measuring resistance, be sure to turn the power off and discharge voltage. Caution (When discharging, contact the metal plug of power cord with ground wire.) Trouble Symptom Drum dose not rotate; no blower function, no heater function. Measurement Condition Turn the dryer’s power off, then measure resistance.

  • Page 36: Test 4 Moisture Sensor

    Test 4 Moisture sensor NOTE: This test has two parts. The best test of the moisture sensing system is done in the diagnostic mode. This FUNCTIONAL TEST will test the sensor bars, wiring harness and PCB operation. If the results of this test are normal, the sensor system and PCB response are normal.

  • Page 37: Test 5 Door Switch Test

    Test 5 Door swich test NOTE: This test has two parts. The best test of the door switch system is done in the diagnostic mode. This FUNCTIONAL TEST will test the door switch, wiring harness and PCB operation. If the results of this test are normal, the door switch system and PCB response are normal.

  • Page 38: Test 6 Heater Switch Test - Electric Type

    Test 6 Heater switch test - Electric Type Before measuring resistance, be sure to turn the power off, and do voltage discharge. Caution (When discharging, contact the metal plug of the power cord with a ground line.) Trouble While operating, Heating will not work. Drying time takes longer. Symptom Measurement After turning the power off, measure the resistance.
  • Page 39 Test 7 CAS 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 40: Test 8 Motor Assembly, Dc, Pump

    Test 8 Motor Assembly, DC, Pump 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 wire.) Trouble Symptom During the diagnostic test, E5 error occurs. Measurement Condition Turn the dryer’s power off, then measure resistance.

  • Page 41: 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, The burner is set for natural gas at the factory. The propane orifice Natural Gas mode is set.
  • Page 42 GAS VALVE FLOW START KEY PUSH 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 CLOSE OPEN DETECT VALVE 2 GAS IGNITION...

  • Page 43: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Unplug the dryer before servicing. WARNING ! TOP PLATE ① When you disassemble the top plate, be sure to disconnect the dryer from its electrical supply. Protect your hands and arms from sharp edges when working. To reduce the risk of Injury to persons adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses.
  • Page 44 PANEL DRAWER ASSEMBLY Pull the drawer. Lift out the steam feeder. Lift the hook and pull out the drawer. PCB ASSEMBLY Remove 2 screws on the frame body. Open the cover guide and disconnect the connectors.
  • Page 45 WARNING ! CONTROL PANEL ASSEMBLY When you disassemble the control panel, be sure to disconnect the dryer from its electrical supply. Protect your hands and arms from sharp edges when working. To reduce the risk of Injury to persons adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses.
  • Page 46 COVER CABINET WARNING ! When you disassemble the door switch connector, be sure to disconnect the dryer from its electrical supply. Protect your hands and arms from sharp edges when working. To reduce the risk of Injury to persons adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses.
  • Page 47 GUIDE ASM Remove 3 screws on the frame body. Push the guide assembly to the back side and then lift it. Separate 2 hoses from the pump and generator. Lift a pump and generator up.
  • Page 48 BODY FRAME & PANEL FRAME Remove 6 screws on the frame body. and then disassemble the frame body. Remove 4 screws on the panel frame and then remove it.
  • Page 49 WARNING ! When you disassemble the lamp connector, be sure to disconnect the dryer from its electrical supply. Protect your hands and arms from sharp edges when working. To reduce the risk of Injury to persons adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses.
  • Page 50 WARNING ! DRYER EXHAUST CHANGE ⑪ Before performing this exhaust installation, be sure to disconnect the dryer from its electrical supply. Protect your hands and arms from sharp edges when working inside the cabinet. To reduce the risk of Injury to persons adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses.
  • Page 51 AIR DUCT & FILTER ASSEMBLY ⑫ Remove 5 screws. Pull down to remove the Air Duct. Remove the filter. Remove cover filter and guide filter. Disconnect the electrode sensor.

  • Page 52: Blower Housing

    BLOWER HOUSING ⑬ Remove the top plate. Remove the cabinet cover and front bulkhead. Remove the drum assembly. Remove 2 screws and cover (Air guide). Remove the bolt and washer. Remove the blower wheel. (Left-hand thread!). Disconnect the motor clamp and motor. BACK COVER ⑭...

  • Page 53: Exploded View

    EXPLODED VIEW 13-1. Control Panel and Plate Assembly A211 A210 A130 A120 F215 A110 F211...

  • Page 54: Panel Drawer Assembly And Guide Assembly

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

  • Page 55: Cabinet And Door Assembly: Gas Type

    13-3-2. Cabinet and Door Assembly: Gas Type A590 A700 A800 A390 A131 A330 A600 A550 A325 A500 A320 A300 A530 A310 A520 A525 A430 A308 A540 A420 A400 A460 A410 A450...

  • Page 56: Drum And Motor Assembly: Gas Type

    13-4-2. Drum and Motor Assembly: Gas Type F200 K420 K400 K410 K120 K140 K100 K130 K251 K250 K320 K310 K330 K335 K340 K221 K620 K336 K210 K250 K350 K610 K560 K550 K251 K240 K530 K660 K651 K515 K640 K655 K510 K520 K540 M141 M150...
  • Page 57 OCT. 2011 PRINTED IN KOREA P/No.: MFL62119944...

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Dlex8000

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