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LG DLE5977S Service Manual
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LG DLE5977S Service Manual

Electric & gas dryer
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See also: Owner's Manual
SERVICE MANUAL
CAUTION
MODEL : DLE5977W/DLG5988W
DLE5977B/DLG5988B
DLE3777W/DLG3788W

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Summary of Contents for LG DLE5977S

  • Page 1 SERVICE MANUAL CAUTION MODEL : DLE5977W/DLG5988W DLE5977B/DLG5988B DLE3777W/DLG3788W...

  • Page 2: What To Do If You Smell Gas

    IMPORTANT SAFETY NOTICE WARNING ! To avoid personal injury, disconnect power before servicing this product. If electrical power is required for diagnosis or test purposes, disconnect the power immediately after performing the necessary checks. RECONNECT ALL GROUNDING DEVICES WHAT TO DO IF YOU SMELL GAS: Do not try to light a match, or cigarette, or turn on Immediately call your gas supplier from a neighbor’s any gas or electrical appliance.

  • Page 3: 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 LAY - OUT ......................18 8. WIRING DIAGRAM ......................19 9.

  • Page 4: Specifications

    SPECIFICATIONS Please refer to the rating label regarding detailed information. Specifications are subject to change by manufacturer. I ACESSORIES See page 6 for how to use. See page 7 for how to use. See page 8 for how to use.

  • Page 6: Features And Benefits

    FEATURES AND BENEFITS DLE5977W/DLG5988W/DLE5977B/DLG5988B DLE3777W/DLG3788W INSTALLATION INSTRUCTIONS Dryer Rack Installation Instructions Open the door.
  • Page 7 Stacking Kit Installation Instructions WARNING Stacking kit...
  • Page 8 Pedestal Installation Instructions NOTE : NOTE :...
  • Page 9 Review the following options to determine the appropriate electrical connection for your home: 4-wire connection : Direct wire 4-wire receptacle (NEMA type14-30R) Important : use 4-wire connection in the places such as mobile homes and areas where 3-wire connections is not available. Use the instructions at this section if your home has a 4-wire receptacle (NEMA type 14-30R) and you Prepare minimum 5ft(1.52m) of length in order for...
  • Page 10 3-wire connection : Direct wire Option 1: 4-wire connection with a Power supply cord. Important : use 3-wire connection in the places such as mobile homes and areas where 3-wire • lf your local codes or ordinances do not allow the connections is not available.
  • Page 11 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 12: Gas Requirements

    3-2. Connect Gas Supply Pipe (Gas Dryer ONLY) Gas Requirements. 1 New Stainless Steel Flexible Connector - Use 4 Black Iron Pipe only if allowed by local codes (Use Design Shorter than 20’ (6.1 m) - Use 3/8” pipe A.G.A. Certified Connector) Longer than 20’...

  • Page 13: 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** Sensor Dry * Manual Dry ** Motor Load Heater...

  • 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 Component Test Procedure Check result Remark...
  • Page 15 Component Test Procedure Check result Remark...
  • Page 16 Component Test Procedure Check result Remark...

  • 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 Centrifugal switch Centrifugal switch (Pull Drive forward)

  • Page 18: Control Lay - Out

    CONTROL LAY - OUT PWB ASSEMBLY DISPLAY LAY-OUT OPTION PART MODEL P/No DISPLAY OP 1 OP 2 OP 3 OP 4 OP 5 OP 6 18:FO 19:FO 18:F1 19:F1 PWB ASSEMBLY LAY-OUT...

  • Page 19: Wiring Diagram

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

  • Page 20: 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 21: Test 1 120Vac Electrical Supply

    Test 1 120VAC Electrical supply Caution Trouble Symptom Measurement Condition...

  • Page 22: Test 2 Thermistor Test

    Test 2 Thermistor Test --- Measure with Power Off Caution Trouble Symptom Measurement Condition Air TEMP. RES. Air TEMP. RES. Air TEMP. RES.

  • Page 23: Test 3 Motor Test

    Test 3 Motor test Caution Trouble Symptom Measurement Condition ”...

  • Page 24: Test 4 Moisture Sensor

    Test 4 Moisture sensor Caution Trouble Symptom Measurement Condition Display Value Voltage(DC) (between 6Pin terminal Remark...

  • Page 25: Test 5 Door Switch Test

    Test 5 Door switch test Caution Trouble Symptom Measurement Condition...

  • Page 26: Test 6 Heater Switch Test - Electric Type

    Test 6 Heater switch test - Electric Type Caution Trouble Symptom Measurement Condition...

  • Page 27: Test 7 Gas Valve Test - Gas Type

    Test 7 GAS Valve test - Gas Type Caution Trouble Symptom Measurement Condition...

  • Page 28: Change Gas Setting (Natural Gas, Propane Gas)

    CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) Warning After Natural Gas Setting, applying Propane Gas Orifice or wrong use of Natural Gas Orifice will result in fire. Conversion must be made by a qualified technician. Initially STEP 1 : VALVE SETTING Full open Close STEP 2 : ORIFICE CHANGE...
  • Page 29 GAS VALVE FLOW START KEY PUSH “VALVE 1” ON IGNITE ON IGNITE TEMPERATURE ABOUT 370”F FRAME DETECT OPEN IGNITE OFF “VALVE 2” ON GAS IGNITION FRAME DETECT CLOSE DRYING “VALVE 2” OFF GAS IGNITION GAS VALVE STRUCTURE VALVE 1 IGNITER FRAME DETECT VALVE 2...

  • Page 30: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS...
  • Page 34 2-1. 2-2. 3-1. 3-2.

  • Page 37: Exploded View

    EXPLODED VIEW...

  • Page 41: Replacement Parts List

    REPLACEMENT PARTS LIST ¡Æ...
  • Page 42 ¡Æ...

This manual is also suitable for:

Dle5977wDlg5988wDle5977bDlg5988bDle3777wDlg3788w

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