LG DLE2701V Service Manual
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LG DLE2701V Service Manual

LG DLE2701V Service Manual

Electric & gas dryer
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LG DLE2701V
Owner's Manual
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  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG DLE2701V Owner's Manual Shop genuine replacement parts for LG DLE2701V Find Your LG Dryer Parts - Select From 451 Models -------- Manual continues below --------...
  • Page 2 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 : DLE2701V/DLG2702V...
  • Page 3 JAN. 2006 PRINTED IN KOREA P/No.:3828EL3005D...

  • Page 4: Important Safety Notice

    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 5: 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. WIRING DIAGRAM ......................19 9. DIAGNOSTIC TEST ......................20 9-1.

  • Page 6: 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: 126(Ibs) Specifications are subject to change by manufacturer. I ACCESSORIES Dryer rack (1 each) Stacking kit (1 each)
  • Page 7 DLE2701V / DLG2702V REMARK ITEM Color STAINLESS SILVER Material & Top Plate Porcelain 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 (125mA) LAMP...

  • Page 8: Features And Benefits

    FEATURES AND BENEFITS SENSOR DRY 0:20 EST. TIME REMAINING NORMAL NORMAL MEDIUM HIGH 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.
  • Page 9 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 10 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 11 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 12 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 13 Option 3: Optional 3-wire Option 2: 3-Wire Connection with a Power Supply Cord connection. • 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 14: 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 15: 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 16: 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 17 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 18 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 19: 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 20: Control Layout

    CONTROL LAY - OUT PWB ASSEMBLY DISPLAY LAYOUT MODEL DISPLAY AS DIAGNOSTIC TEST OPTION PART MODEL P/No DISPLAY DP 1 DP 3 OP 5 DLE8377WM/ 6871EL1011A ELETRIC DLE8377NM DLG388WM/ 6871EL1011B DLG8388NM PWB ASSEMBLY LAYOUT MODEL AS DIAGNOSTIC TEST MODEL MICOM P/No "a"...

  • Page 21: Wiring Diagram

    WIRING DIAGRAM ELECTRIC DRYER WIRING DIAGRAM ELECTRONIC CONTROL L1 BLACK BLACK WHITE N WHITE TRANS TAP RELAY TAP RELAY BLACK WHITE LAMP BELT BLUE YELLOW SWITCH HEATER GRAY 7 10 MOTOR MOISTURE THERMISTOR OVERLOAD SENSOR PROTECTOR DOOR SWITCH MOISTURE SENSOR BLOWER THERMOSTAT WHITE...

  • Page 22: 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 23 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 24 When measuring power, be sure to wear insulated gloves, to and avoid an Caution 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 25 < 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 Tap relay 1 Connector Housing 3.
  • Page 26 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 27: 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 28: 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 29: 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 30 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 31 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 32: 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.) Trouble Symptom Degree of Resistance is not in 300°æ30 Ω Measurement Condition Turn the Dryer’s Power Off, then measure resistance.

  • Page 33: 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 34 GAS VALVE FLOW START KEY PUSH VALVE 1 ON (VALVE 2 OFF) IGNITER ON IGNITER TEMPERATURE ABOUT 370°F FLAME DETECT OPEN IGNITER OFF VALVE 2 ON GAS IGNITION FLAME DETECT CLOSE DRYING VALVE 2 OFF GAS IGNITION GAS VALVE STRUCTURE Adjustment Screw START VALVE 1...

  • Page 35: 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’s edge. Failure to do so can cause serious injury.
  • Page 36 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 2 screws on the control panel frame. Disconnect the connectors. Pull the control panel assembly upward and then forward.
  • Page 37 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 38 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 39 DRYER EXHAUST CHANGE WARNING ! When you disassemble and install ventilation, be sure to take gloves and careful exhaust edge. Failure to do so can cause serious injury. Remove a screw and the exhaust duct. 2-1. Detach and remove a knockout at the botton, left or right side as desired.
  • Page 40 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 41 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 42: Exploded View

    EXPLODED VIEW 12-1. Control Panel & Plate Assembly A211 A210 A130 A140 A120 A110...

  • Page 43: Cabinet & Door Assembly

    12-2. Cabinet & Door Assembly A700 A800 A390 A131 A600 A330 A550 A300 A500 A320 A530 A510 A520 A310 A525 A430 A540 A400 A450 A410 A460 A420...

  • Page 44: Drum & Motor Assembly: Electric Type

    12-3-1. Drum & Motor Assembly: Electric Type F200 K400 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 K515 K651 F140 K510 K520 K540 F130 F110 K650...

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