LG DLE3170W Service Manual
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LG DLE3170W 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
DLE3170W
Website : http://www.lg.com
Gas
DLG3171W

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Summary of Contents for LG DLE3170W

  • Page 1 Website : http://www.lg.com 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 DLE3170W DLG3171W...
  • Page 2 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 ..................7 4. DRYER CYCLE PROCESS ....................13 5. COMPONENT TESTING INFORMATION ................. 14 6. MOTOR DIAGRAM AND SCHEMATIC ................17 7. WIRING DIAGRAM ......................18 8. FLOW SENSOR FUNCTION ..................... 20 8-1.

  • Page 4: Specifications

    SPECIFICATIONS Electric and Gas Dryer Power supply Please refer to the rating label regarding detailed information 27" (W) X 30" (D) X 38 / " (H), 51" (D with door open) Size 68.6 cm (W) X 76.1 cm (D) X 98.3 cm (H), 129.7 cm (D with door open) IEC 7.4 cu.ft.
  • Page 5 REMARK ITEM DLE3170W / DLG3171W Color Blue White Material & Top Plate Powder coating Finish Silver color Spray Door Trim 120 V / 240 V / 60 Hz (26 A) Power ELEC. 120 V / 208 V / 60 Hz (23 A) Supply 120 V / 60 Hz (11.5 A)

  • 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 To ensure safe and secure installation, please observe the instructions below. Secure the side bracket to the washer with W W A A R R N N I I N N G G a screw on the back of the bracket. Repeat Steps 2, 3, and 4 for the other side.
  • Page 8 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) † T-clips (4) †† are in the correct positions.
  • Page 9 -2. Connecting Electric Dryers eview the following options to determine the appropriate electrical connection for your home: 4-wire receptacle 4-wire connection : Direct wire (NEMA type14-30 ) Important :Grounding through the neutral conductor is prohibited for (1) new branch-circuit installations, (2) mobile homes, and (3) recreational vehicles, and se the instructions under option 1 if your home (4) areas where local codes prohibit grounding through...
  • Page 10 -wire connection : Direct wire : 4-wire connection with Option 1 a Power supply cord. mportant : 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...
  • Page 11 : ptional 3-wire : 3-Wire Connection with Option 3 Option 2 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 -2. Connecting the Gas Supply For further assistance, refer to section Connecting gas dryers on Owner's Manual . 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 Bulky/ Large Perm. Press Cotton/ Elec : 67 Normal Gas : 63 Delicates Speed Air Dry Freshen NOTE The Energy Saver option is turned on by default in the Cotton/Normal cycle. Turn Off the Energy Saver option for a faster Normal cycle which begins with heated drying. To turn the Energy Saver default off, press and hold the Wrinkle Care button for three seconds.

  • 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 . Thermal cut off Measure resistance of terminal If thermal fuse is open must Heater case- to terminal be replaced Safety Electric type Open at 284...
  • Page 15 . Heater Measure resistance of the Electric type following terminal Terminal: 1 (COM) - 2 Resistance value: 10 Terminal: 1 (COM) - 3 Resistance value: 10 Terminal: 2 - 3 Resistance value: 20 8. Thermistor Measure resistance of terminal Resistance value: 10 Heater case - to terminal Hi limit...
  • Page 16 3. Outlet Thermostat Measure resistance of terminal Gas type (Auto reset) to terminal Gas funnel Open at 203 Resistance value Close at 58 Check Top Marking: 4. Outlet Thermostat Measure resistance of terminal Gas type (Manual reset) to terminal Gas funnel Open at 230 Resistance value Manual reset...

  • 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 CN11 EARTH 4 WIRE SYSTEM CN11...
  • Page 19 ain PCB Picture ( P/N : EBR64094887(Electric) EBR64094888 (Gas ) <Electric> <Gas>...

  • Page 20: Flow Sensor Function

    FLOW SENSOR FUNCTION 8-1 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 on display of the panel, your duct vents should be cleaned by yourself or serviceman.

  • Page 21: Installation Check

    8-2 Installation check 4. Checkthe display for results. Once you have completed the installation of the dryer, During the test cycle,monitor the FLOWSENSE use this test to make sure the condition of the exhaust displayon the control panel.If no barsaredisplayed, system is adequate for proper operation of the dryer.

  • Page 22: Troubleshooting For Flow Sensor Dryer

    8-3 Troubleshooting for flow sensor dryer • Check the Error Code before you call for service Error Code Possible Causes Solutions •Temperature se nsor failure • • Humidity Sensor failure. • • Electric dryer power cord is not • Check the power supply or the conne ction of connected corre ctly, or house power power cord to the terminal block.

  • Page 23: Troubleshooting With Error

    8-4. Troubleshooting with Error...

  • Page 31: 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 32 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 33 Caution When measuring power, be sure to wear insulated gloves to 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 tap relay with Heater (Electric) Tab Relay 1 Tab Relay 2 Heater 1 Heater 2...
  • Page 34 < 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 Wire Tap relay 1 Connector Housing 3. Status Mode Of wrong Connection <...
  • Page 35 Test 2 Thermistor Test---Measure with Power Off...
  • Page 36 Test 3 Motor Test...
  • Page 37 oisture sensor AIJ "...

  • Page 38: Test 5 Door Switch Test

    Test 5 Door switch test...

  • Page 39: Test 6 Heater Switch Test - Electric Type

    Test 6 Heater switch test - Electric Type...

  • Page 40: Test 7 Gas Valve Test - Gas Type

    Test 7 GAS Valve test - Gas Type...

  • Page 41: Change Gas Setting (Natural Gas, Propane Gas)

    CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) arning Cha gi g orifices a d gas valve adjustme ts imp roperly ca result i a explosio a d/or fire. Co versio must be made by a qualified tech icia Initially, The burner is set for natural gas at the factory. The propane orifice Natural Gas mode is set.
  • Page 42 GAS VALVE FLOW 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. TOP PLATE W W A A R R N N I I N N G G ! ! 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.
  • Page 44 W W A A R R N N I I N N G G ! ! 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.
  • Page 45 W W A A R R N N I I N N G G ! ! 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 personal injury, adhere to all industry recommended safety procedures including the use of long sleeved gloves and...
  • Page 46 W W A A R R N N I I N N G G ! ! When you disassemble the lamp connector, be sure to disconnect the dryer from its electrical supply. Protect your hands and armsfrom 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 ARNING ! DRYER EXHAUST CHANGE Beforeperformi n gthi s exhausti n stal l a ti o n,besureto di s connectthedryerfromi t sel e ctri c alsuppl y .Protectyour handsandarmsfromsharpedgeswhenworki n gi n si d ethe cabi n et.Toreducethe ri s kofInj u rytopersonsadhereto al l i n dustryrecommendedsafetyproceduresi n cl u di n gtheuse of l o ngsl e evedgl o vesandsafetygl a sses.
  • Page 48 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) assembly. Remove the Drum assembly. Remove 2 screws and cover (Air guide). Remove the bolt and washer.
  • Page 49 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) assembly. Remove the Drum assembly and Tub Drum (Front) assembly. Disconnect the Air duct from the Tub Drum (Front) assembly.

  • Page 50: Exploded View

    EXPLODED VIEW 12-1. Control Panel and Plate Assembly A211 A210 A130 A120 A140 A110...
  • Page 51 12-2-1. Cabinet and Door Assembly: Electric Type A800 A570 A390 A560 A610 A131 A330 A600 A308 A325 A300 A550 A500 A320 A305 A530 A310 A520 A525 A430 A540 A420 A400 A460 A410 A450...
  • Page 52 12-2-2. Cabinet and Door Assembly: Gas type A800 A390 A131 A330 A600 A308 A550 A325 A300 A500 A320 A305 A530 A510 A310 A520 A525 A430 A540 A420 A400 A460 A410 A450...
  • Page 53 12-3-1. Drum and Motor Assembly: Electric Type F200 K400 K120 K145 K140 K100 K130 K320 K250 K251 K310 K330 K335 K338 K222 K340 K221 K620 K224 K230 K210 K250 K336 K350 K360 K610 K560 K550 K251 K240 K530 K660 F140 K640 K651 K515...
  • Page 54 12-3-2. Drum and Motor Assembly: Gas type F200 K400 K120 K140 K100 K130 K320 K251 K250 K310 K330 K335 K222 K340 K221 K620 K224 K230 K210 K250 K336 K350 K360 K610 K560 K550 K251 K240 K530 K660 K651 K515 K640 K655 K510 K520 K540...
  • Page 55 APR. 2016. PRINTED IN KOREA P/No.: MFL62119987...

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