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LG DLE9577WM Service Manual
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LG DLE9577WM Service Manual

Electric & gas dryer
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See also: Owner's Manual
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 : DLE9577WM/DLG9588WM
DLE9577SM/DLG9588SM
U.S.A. Website: http://us.lgservice.com
Canadian Website: http://lg.ca

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Summary of Contents for LG DLE9577WM

  • 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 : DLE9577WM/DLG9588WM DLE9577SM/DLG9588SM...
  • Page 2 June. 2006 PRINTED IN KOREA P/No.:3828EL3005F...

  • 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 ..................... 16 5. COMPONENT TESTING INFORMATION ................17 6. MOTOR DIAGRAM AND SCHEMATIC..................20 7. CONTROL LAYOUT ......................21 8. WIRING DIAGRAM ......................22 9. DIAGNOSTIC TEST ......................23 9-1.

  • Page 5: Specifications

    SPECIFICATIONS I Type : Electric and Gas Dryer I Rating : Please refer to the rating label regarding detailed information. I Size : 27 x 30.1 x 38.7 inches I Capacity : IEC 7.3 cu.ft. (22.5 lb) I Weight : 131 Ibs (59.4 kg) ❋...

  • Page 7: Features And Benefits

    FEATURES AND BENEFITS INSTALLATION INSTRUCTIONS Dryer Rack Installation Instructions Open the door.

  • Page 8: Procedure For Reversing The Door

    Procedure for Reversing the Door The door on your dryer can be installed to open either to the left or the right. Follow these instructions to reverse the direction in which your door opens: Note Door and latch should be aligned at the center when closed.
  • Page 9 Make sure that the housing is attached correctly. If not, the dryer may not operate. Remove the plate by lifting it up slightly. Frame Plate Housing Note LG is not responsible for any damages to your dryer incurred while a customer is changing.
  • Page 10 Slide the plate to the left until it clicks into place. Control Panel Attach the safety cover. WARNING! Be sure to install the safety cover to avoid electric shock. Safety Cover Note LG is not responsible for any damages to your dryer incurred while a customer is changing.

  • Page 11: 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 12 Pedestal Installation Instructions Attach the double-faced tape of the bracket to the After removing the protective covering from the dryer as shown so the bent parts of the brackets adhesive surface, align the screw holes in the brackets with the matching holes in the pedestal align with the edge and can be attached to the base and press and press the brackets against pedestal with screws.
  • Page 13 Electric Dryer Only Review the following options to determine the appropriate electrical connection for your home: WARNING! • Disconnect power before servicing. • Replace all parts and panels before operating. • Be careful of the sharp edge on frame which makes you hurt. •...
  • Page 14 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 15 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 connection of a frame-grounding conductor to the a frame-grounding conductor to the neutral wire, use neutral wire, use the instructions under this these instructions.

  • Page 16: 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 17: 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 18: 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 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 ± 7°F (95 ± 5°C) Resistance value Continuity < 1Ω Close at 158 ± 9°F (70 ± 5°C) •...

  • Page 21: 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 22: Control Layout

    CONTROL LAY - OUT PWB ASSEMBLY DISPLAY LAYOUT MODEL DISPLAY AS DIAGNOSTIC TEST 7-SEG MODEL Note Display P/No MAIN P/No DISPLAY Electric, DLE9577WM 6871EL1019A 18:E8 GIANT(D) LED DLE9577SM 6871EL2003A DLE9577WM 18:98 Gas, GIANT(D) LED 6871EL1019B DLE9577SM PWB ASSEMBLY LAYOUT MODEL AS DIAGNOSTIC TEST...

  • Page 23: Wiring Diagram

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

  • Page 24: 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 25: 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 26: 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. 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 27 < Table 2 > : Connection of Tab Relay with PCB ASSEMBLY (Gas) Remark Color Harness Check the Matching color Between Harness wire and Tab Relay. Black Connector Housing (Black Housing – Black Tab Relay) Connector Housing Tap relay 1 3.

  • Page 28: 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 29: 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 30: 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 31: 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 32: 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 33: 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 34: 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 35 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 36: 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 37 CONTROL PANEL ASSEMBLY WARNING ! When you disassemble the control panel, be sure to take gloves and careful panel frame’s Control Panel edge. Failure to do so can cause serious injury. Push the cap on the right side of control panel.
  • Page 38 LOWER COVER Push the cap on the right side of lower cover. Remove the screw. Slide the lower cover to the right about an inch. Lower, Cover Take out of the lower cover. COVER CABINET WARNING ! When you disassemble the door switch connector, be sure to take gloves and careful cabinet edge.
  • Page 39 PANEL FRAME Disconnect the housing of the panel frame. Remove 4 screws on the panel frame. Disassemble panel frame from pulling upside. Push Push LOWER FRAME Remove 1 screw from the side of the panel frame and safety cover. Disconnect the housing of the panel frame. Remove 2 screws on the panel frame.
  • Page 40 MAIN PCB Remove all housing on the main PCB. Remove 2 screws on the main PCB. Disassemble the main PCB. 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.
  • Page 41 Disassemble the top plate. Remove the Cabinet Cover and Tub drum [front]. Loosen belt from motor and idler pulleys. Carefully remove the drum. Disassemble the door. Hold the lamp shield in place while removing the screw. Slide the shield up and remove. Remove the bulb and replace with a 15 watt, 120 volt candelabra-base bulb.
  • Page 42 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. (Use exhaust kit part #3911EZ9131X.) 2-1.
  • Page 43 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 44 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 45: Exploded View

    EXPLODED VIEW 12-1. Control Panel & Plate Assembly A211 A210 A140 A120 A200 A110...

  • Page 46: 12-2. Cabinet & Door Assembly

    12-2. Cabinet & Door Assembly A700 A800 A570 A560 A390 A580 A600 A330 A550 A300 A130 A320 A305 A530 A310 A510 A520 A525 A500 A391 A540 A430 A400 A113 A450 A410 A460 A420...

  • Page 47: Drum & Motor Assembly: Electric Model

    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 A351 K512 K511 K240 K530 K513 K640 K651 F140 K510 K520 K540...

  • Page 48: Drum & Motor Assembly: Gas Model

    12-3-2. Drum & Motor Assembly: Gas 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 K512 A351 K511 K240 K530 K513 K640 K651 K510 K520 K540 M141...

  • Page 49: Replacement Parts List

    REPLACEMENT PARTS LIST ¡Æ...
  • Page 50 ¡Æ...

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