LG DLG5988WM Service Manual

LG DLG5988WM Manual

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  • LG DLG5988WM | Service Manual - Page 1
    Website:http://www.LGservice.com [For U.S.A] www.lg.ca [For Canada] ELECTRIC & GAS DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE. MODEL : DLE5977W/DLG5988W DLE5977B/DLG5988B DLE3777W/DLG3788W DLE5977WM/DLG5988WM DLE5977SM/DLG5988SM
  • LG DLG5988WM | Service Manual - Page 2
    a path to ground are removed for service, they must be returned to their original position and properly fastened. WHAT TO DO IF YOU SMELL GAS: Do not try to light a match, or cigarette, or turn on any gas or electrical appliance. Do not touch any electrical switches. Do not use any phone in
  • LG DLG5988WM | Service Manual - Page 3
    SETTING (NATURAL GAS, PROPANE GAS 28 11. DISASSEMBLY INSTRUCTIONS 30 12. EXPLODED VIEW ...37 12-1. CONTROL PANEL & PLATE ASSEMBLY 37 12-2. CABINET & DOOR ASSEMBLY 38 12-3-1. DRUM & MOTOR ASSEMBLY : ELECTRIC TYPE 39 12-3-2. DRUM & MOTOR ASSEMBLY : GAS TYPE 40 13. REPLACEMENT PARTS LIST 41 3
  • LG DLG5988WM | Service Manual - Page 4
    : IEC 7.3cu.ft. I Weight : 126 (Ibs) Specifications are subject to change by manufacturer. I ACESSORIES Dryer rack (1 each) See page 6 for how to use. Stacking kit (1 each) Purchased Separately See page 7 for how to use. 4 Pedestal (1 each) Purchased Separately See page 8 for how to use.
  • LG DLG5988WM | Service Manual - Page 5
    ) ELECTRICITY CONSUMPTION MOTOR HEATER LAMP 250W (4.5A) 5400W (22.5A) 15 W (125mA) AC 120V AC 240V (ELECTRIC TYPE) AC 120V GAS VALVE CONTROL TYPE 13 W (110mA) x 2 Electronic AC 120V(GAS TYPE) DRUM CAPACITY 7.3 cu.ft. Weight (lbs) : Net / Gross 124 / 144 No. of Programs 9 7 No. of Dry
  • LG DLG5988WM | Service Manual - Page 6
    2 FEATURES AND BENEFITS DLE5977W/DLG5988W/DLE5977B/DLG5988B/DLE5977WM/DLG5988WM/DLE5977SM/DLG5988SM DLE3777W/DLG3788W 3 INSTALLATION INSTRUCTIONS Dryer Rack Installation Instructions 1Open the door. Hold the dryer rack with both hands. 2 Put the dryer rack into the drum 3 Make sure that dryer
  • LG DLG5988WM | Service Manual - Page 7
    - be careful not to pinch fingers between the washer and dryer. Slide washer slowly backwards to the stopper of kit. 1 Stacking kit Place washer firmly on a stable, even and solid floor as product installation instructions describes in owner's manual. 2 Peel protective paper off the tape from the
  • LG DLG5988WM | Service Manual - Page 8
    Pedestal Installation Instructions For washer, dryer, and combo LG 27 4 Attach the double-faced tape of the bracket to the dryer as shown so the bent parts of the brackets align with the edge and can be attached to the pedestal with screws. NOTE : Attach the lower side first. 1 Remove pedestal,
  • LG DLG5988WM | Service Manual - Page 9
    Review the following options to determine the appropriate electrical connection for your home: 4-wire receptacle (NEMA type14-30R) Use the instructions at this section if your home has a 4-wire receptacle (NEMA type 14-30R) and you will be using a UL listed, 120/240 volt minimum, 30 amp, dryer
  • LG DLG5988WM | Service Manual - Page 10
    wire Important : use 3-wire connection in the places such as mobile homes and areas where 3-wire connections is not available. Prepare minimum 5ft(1.52m) of length in order for cm) dryer to be 31/2" (8.6 cm) replaced. First, peel 3 1/2 inch (8.9cm) of covering material from end and bare
  • LG DLG5988WM | Service Manual - Page 11
    2: 3-Wire Connection with a Power Supply Cord lf your local codes or ordinances permit the connection of a frame-grounding conductor to the neutral wire, use these instructions. If your local codes or ordinances do not allow the connection of a frame-grounding conductor to the neutral wire, use the
  • LG DLG5988WM | Service Manual - Page 12
    2. Remove the shipping cap from the gas connection at the rear of the dryer. Make sure you do not damage the pipe thread when removing the cap. flexible stainless steel connector. 4. Tighten all connections securely. Turn on gas and check all pipe connections (internal & external) for gas leaks
  • LG DLG5988WM | Service Manual - Page 13
    (5min) (47±5°C) 3Hr AIR DRY - - 30min Saturation No heater N/A N/A Load Motor Heater Off Time: 6min On Time: 10sec Temperature Control for each cycle * Sensor dry : "Dry Level" is set by users. ** Manual dry : "Temperature control" is set by users. Default settings can be adjusted by
  • LG DLG5988WM | Service Manual - Page 14
    (Auto reset) 3. Outlet Thermostat ( Auto reset) • Check Top Marking : N85 4. Lamp holder Test Procedure Check result Remark Measure resistance of terminal If thermal fuse is open must • Heater case- to terminal be replaced Safety Open at 266 ± 12°F (130 ± 7°C) Resistance value ∞ • Electric
  • LG DLG5988WM | Service Manual - Page 15
    Component 7. Heater 8. Thermistor 9. Motor Test Procedure Measure resistance of the following terminal Terminal : 1 (COM) - 2 Terminal : 1 (COM) - 3 Terminal : 2 - 3 Check result Resistance value : 10Ω Resistance value : 10Ω Resistance value : 20Ω Remark • Electric type Measure resistance of
  • LG DLG5988WM | Service Manual - Page 16
    (95 ± 5°C) Close at 158 ± 9°F (70 ± 5°C) Check result Resistance value ∞ Continuity < 1Ω Remark • Gas type • Gas funnel Measure resistance of terminal to terminal Open at 212 ± 12°F (100 ± 7°C) Manual reset If thermal fuse is open must be replaced Resistance value ∞ Continuity < 1Ω • Gas type
  • LG DLG5988WM | Service Manual - Page 17
    6 MOTOR DIAGRAM AND SCHEMATIC NOTE When checking Component, be sure to turn Power off, then do voltage discharge sufficiently. Contact On / Off by Centrifugal Switch STOP MODE (When Motor does not operate) RUN MODE (Motor operates) Centrifugal switch Centrifugal switch (Pull Drive forward) 17
  • LG DLG5988WM | Service Manual - Page 18
    LAY-OUT MODEL DISPLAY AS DIAGNOSTIC TEST MODEL OP 1 DLE5977WM/SM, DLE5977W/B X DLG5988WM/SM, DLG5988W/B X DLE3777W X DLG3788W X OPTION PART OP 2 OP 3 OP 4 OP 5 X X O X X O O X X X X X X O X X LED OP 6 DISPLAY P/No X 18:FO 6871EC1115A X 19:FO 6871EC1115B X 18
  • LG DLG5988WM | Service Manual - Page 19
    NC 123 DOOR SWITCH WHITE 1 2 3 7 10 MOTOR OVERLOAD PROTECTOR MOISTURE THERMISTOR SENSOR RED SAFETY THERMOSTAT OUTER COIL INNER COIL CENTRIFUGAL SWITCH BLOWER WHITE THERMOSTAT RED RED HI - LIMIT THERMOSTAT ELECTRIC DRYER WIRING DIAGRAM RLM GAS DRYER WIRING DIAGRAM POWER CORD L1 BLACK RD3
  • LG DLG5988WM | Service Manual - Page 20
    TIME" simultaneously. Pressing the "START/PAUSE" button CHECKING ACTION DISPLAY CHECKING POINT REMARK None Electric control & Temperature sensor Won't power up Defective LED Thermistor open Thermistor close See test 1 Display : See page See test 2 Once Motor Motor runs 70 ~ 239 Measured
  • LG DLG5988WM | Service Manual - Page 21
    , to and avoid an electric shock. Trouble Symptom No power was applied to Controller. (LED, Display off) Measurement Condition With Dryer Power On; Connector linked to Controller. Check the outlet, is the voltage 110V ~ 125V AC? YES NO • Check the fuse or circuit breaker. Check if the voltage
  • LG DLG5988WM | Service Manual - Page 22
    turning Power off, measure the resistance. Take 6pin Connector from the Controller. Check if resistance is in the range of Table 1 when measuring 6pin connector Pin (Blue wire) and Pin (Red wire) connected to Controller. YES • Check if Control and 6Pin connector is properly connected. • Replace
  • LG DLG5988WM | Service Manual - Page 23
    NO YES • Replace Control. (Relay check) • Check Controller connector. • Replace Outlet • Thermostat. (Refer to 'Component') • Check Idler Assembly. • Drum Belt cuts off • Drum Belt takes off from • Motor Pulley. • Replace Idler Switch. • Check Motor.(Refer to 'Motor Diagram & Check') • Check if
  • LG DLG5988WM | Service Manual - Page 24
    4 Moisture sensor Caution Before measuring resistance, be sure to turn Power off, and do voltage discharge. (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
  • LG DLG5988WM | Service Manual - Page 25
    opening Door, Drum motor and Trouble Symptom Heater run continuously; Door Close is not sensed. (Drum motor will not operate. Display will flash at 0.5 second intervals.) Measurement Condition After turning Dryer Power Off, measure resistance. Measure while Door is closed. Check if resistance is
  • LG DLG5988WM | Service Manual - Page 26
    6 Heater switch test - Electric Type Caution Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.) Trouble Symptom While operating, Heating will not work. Drying time takes longer. Measurement
  • LG DLG5988WM | Service Manual - Page 27
    to avoid electric shock. Trouble Symptom While operating, Heating will not work. Drying time takes longer. Measurement Condition With dryer power on Valve 1 Igniter Valve 2 Power On & Start (Normal Cycle) NO When measuring Valve 1 voltage, More than AC 90V? YES NO • Check thermostat Hi limit
  • LG DLG5988WM | Service Manual - Page 28
    is set. Propane Gas Orifice is on sale as a Service Part to authorized servicers only. STEP 1 : VALVE SETTING Full open "Change screw" STEP 2 : ORIFICE CHANGE Orifice Close "Change screw" Remove 2 screws. Disassemble the pipe assembly. Replace Natural Gas orifice with Propane Gas orifice. Gas type
  • LG DLG5988WM | Service Manual - Page 29
    KEY PUSH "VALVE 1" ON IGNITE ON IGNITE TEMPERATURE ABOUT 370"F YES FRAME DETECT OPEN IGNITE OFF "VALVE 2" ON GAS IGNITION YES DRYING NO NO FRAME DETECT CLOSE "VALVE 2" OFF GAS IGNITION START VALVE 1 IGNITER FRAME DETECT VALVE 2 ON ON CLOSE OFF OFF OPEN ON GAS IGNITION GAS VALVE STRUCTURE 29
  • LG DLG5988WM | Service Manual - Page 30
    11 DISASSEMBLY INSTRUCTIONS Disassemble and repair the unit only after pulling out power plug from the outlet. 1. Remove 3 screws on the upper plate. 2. Push the top plate back ward. 3. Lift the top plate 30
  • LG DLG5988WM | Service Manual - Page 31
    1. Remove 2 screws on the control panel frame. 2. Disconnect the connectors. 3. Pull the control panel assembly upward and then forward. 4. Remove 9 screws on the PWB(PCB) assembly, display. 5. Remove 4 screws on the PWB(PCB) assembly, main. 6. Disassemble the control panel assembly. 31
  • LG DLG5988WM | Service Manual - Page 32
    1. Disassemble the top plate. 2. Disassemble the control panel assembly. 3. Disassemble the door assembly. 4. Remove 2 screws. 5. Remove 4 screws from the top of cabinet cover. 6. Disconnect the harness of door switch. 32
  • LG DLG5988WM | Service Manual - Page 33
    Remove the Cabinet Cover and Tub drum [front]. -2 3. Loosen belt from motor and idler pulleys. 4. Carefully remove Drum out. 1. Disassemble the door. 2. Remove a screw by holding the drum lamp shield in place. 3. Slide the shield up and remove. 4. Remove the bulb and replace with a 15 watt, 120
  • LG DLG5988WM | Service Manual - Page 34
    the botton, left or right side as desired. (Right Side Vent not available on Gas dryer) , , the order of work. DUCT TAPE 2-2. Reconnect the another duct[11 in( blower housing, and attach the duct to the base. ( Duct is a SVC part) DUCT TAPE 3-1. Pre-assemble 4" elbow with 4" duct. Wrap duct tape
  • LG DLG5988WM | Service Manual - Page 35
    Disconnect electrode sensor. 1. Disassembly the top plate. 2. Remove the Cabinet Cover and Tub Drum [Front]. 3. Remove the Drum assembly. 4. Remove 2 screws and cover(Air guide). 5. Remove the bolt and washer. 6. Remove the fan. 7. Disconnect the motor clamp and motor. 1. Disassemble the top plate
  • LG DLG5988WM | Service Manual - Page 36
    3. Remove filter and 2 screws. 4. Remove the air duct. 1. Disassemble the top plate. 2. Remove the Cover Cabinet and Tub Drum [Front]. 3. Remove the Drum assembly and Tub Drum [Rear]. 4. Disconnect Air duct from the Tub Drum [Front]. 5. Remove the roller from the Tub Drum [Front] and Tub Drum [Rear
  • LG DLG5988WM | Service Manual - Page 37
    12 EXPLODED VIEW 12-1. Control Panel & Plate Assembly A210 A130 A140 A120 A110 37
  • LG DLG5988WM | Service Manual - Page 38
    12-2. Cabinet & Door Assembly A390 A700 A800 A570 A560 A330 A320 A310 A300 A305 A530 A400 A525 A540 A600 A550 A500 A520 A510 A430 A420 38 A450 A410 A460
  • LG DLG5988WM | Service Manual - Page 39
    12-3-1. Drum & Motor Assembly : Electric Type K120 F200 K400 K100 K140 K130 K222 K221 K210 K350 K240 F130 F110 F120 K230 K250 K251 K330 K320 K340 K250 K251 K360 K550 K560 K310 K620 K610 F140 K540 K510 K520 K640 K530 K651 K600 K650 39
  • LG DLG5988WM | Service Manual - Page 40
    12-3-2. Drum & Motor Assembly : Gas type F200 K400 K120 K100 K140 K130 K222 K221 K210 K350 K230 K250 K251 K330 K320 K340 K250 K251 K360 K550 K560 K310
  • LG DLG5988WM | Service Manual - Page 41
    Apr. 2004 PRINTED IN KOREA P/No.:3828EL3005A
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Website:http://www.LGservice.com [For U.S.A]
www.lg.ca [For Canada]
ELECTRIC & GAS DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
TROUBLES CORRECTLY BEFORE
OFFERING SERVICE.
MODEL :
DLE5977W/DLG5988W
DLE5977B/DLG5988B
DLE3777W/DLG3788W
DLE5977WM/DLG5988WM
DLE5977SM/DLG5988SM