LG DLE9577 Training Manual

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TRAINING MANUAL
DLE9577/DLG9588 Dryer Training
Spring 2007
Service
Digital Appliance

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Table of Contents
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Summary of Contents for LG DLE9577

  • Page 1: Safety Notices And Warnings

    TRAINING MANUAL DLE9577/DLG9588 Dryer Training Spring 2007 Service Digital Appliance...
  • Page 2: Table Of Contents

    Test 6 – Heater (Electric) Test 7 – Valve (Gas) Component Test Procedure Disassembly and Repair Block Wiring Diagram (Electric and Gas) Motor Diagram and Schematic Safety Switches Gas Conversion (Natural Gas to Propane) DLE9577/DLG9588 Page 2 of 58 TRAINING MANUAL...
  • Page 3 Back Cover Rollers Vent Replacement Main Board Exploded Views Top Plate and Control Panel Cabinet, Door, Vent, and Wiring Harness Drum, Motor, and Heater (Electric) Drum, Motor, and Heater (Gas) Parts List 070119 DLE9577/DLG9588 Page 3 of 58 TRAINING MANUAL...
  • Page 4: Specifications

    DRYER 9577/9588 SPECIFICATIONS DLE9577/DLG9588 Page 4 of 58 TRAINING MANUAL...
  • Page 5: Safety Notices (Gas And Electric)

    . The electric dryer uses 240 V . Even when these products are turned OFF, there is live voltage on some of the internal terminals. Always unplug the appliance before opening the case or servicing. DLE9577/DLG9588 Page 5 of 58 TRAINING MANUAL...
  • Page 6: Serial Number Identification

    Some models may have four (4) letters instead of two (2) for the product code number. The third and fourth letters are significant only to the manufacturing facility. This chart will help you decode the serial number. DLE9577/DLG9588 Page 6 of 58 TRAINING MANUAL...
  • Page 7: Introduction

    DRYER 9577/9588 INTRODUCTION The 9577/9588 dryer is very similar to other LG dryers with the exception of the front panel and the control panel. The control panel is designed to allow the customer to choose the location of either the top or the bottom, which allows for easier access to the controls when the dryer is stacked on top of the washer.
  • Page 8: Controls

    UART (Universal Asynchronous Receiver Transmitter) and a 7-wire cable rather than by a 28-wire cable as in previous models. This simplification is what makes it possible to have a re-locatable control panel. DLE9577/DLG9588 Page 8 of 58 TRAINING MANUAL...
  • Page 9: Installation

    (See drawing, above.) It does not matter whether the dryer is stacked, as long as the closet door opening provides the appropriate vertical clearance for lifting and stacking in the closet. DLE9577/DLG9588 Page 9 of 58 TRAINING MANUAL...
  • Page 10: Accessories

    Be sure the front of the rack is properly situated in the notches on either side of the filter. The back of the rack should rest on the drum and allow the drum to rotate. DLE9577/DLG9588 Page 10 of 58 TRAINING MANUAL...
  • Page 11: Stacking Kit

    Slide the dryer back into the stops on the rails. Attach the front bar with 2 screws to hold the feet in place. DLE9577/DLG9588 Page 11 of 58 TRAINING MANUAL...
  • Page 12: Pedestal Kit

    Remove the protective paper from the adhesive surface of the bracket. Be particularly careful, because when the adhesive makes contact, there is no adjustment possible. DLE9577/DLG9588 Page 12 of 58 TRAINING MANUAL...
  • Page 13 This will eliminate any rattles. It is usually easier to set the pedestal and washer into place and connect the water and drain hoses before placing the dryer on top of them. DLE9577/DLG9588 Page 13 of 58 TRAINING MANUAL...
  • Page 14: Electrical Connection

    A. Ground screw on chassis B. Green wire from power cord C. Strain relief D. Neutral screw on terminal block E. Terminal block F. Neutral wire from power cord DLE9577/DLG9588 Page 14 of 58 TRAINING MANUAL...
  • Page 15: 3-Wire Connection

    A. Ground screw on chassis B. Green wire from pigtail C. Strain relief D. Neutral screw on terminal block E. Ground-to-neutral connection F. Neutral wire from pigtail DLE9577/DLG9588 Page 15 of 58 TRAINING MANUAL...
  • Page 16: Electrical Connection To Gas Dryer

    Secure the cover with a screw. ELECTRICAL CONNECTION (Gas Dryer Only) The dryer requires a 120 V single-outlet dedicated circuit. The cord is installed at the factory and no user-intervention is required. DLE9577/DLG9588 Page 16 of 58 TRAINING MANUAL...
  • Page 17: Gas Connection

    If you smell gas, turn off the main valve and open a window. Flex line (Bought in the length needed, with fittings attached to both ends) Bleeding and pressure check port Cut-off valve Gas supply pipe Point of attachment to dryer DLE9577/DLG9588 Page 17 of 58 TRAINING MANUAL...
  • Page 18: Vent Pipe Connection (Side, Bottom, Or Rear Vent With Kit)

    (Be sure to use real, heatproof duct tape rather than an imitation.) Connect the elbow to the duct in the dryer and seal that joint with duct tape. Connect to the outside vent. DLE9577/DLG9588 Page 18 of 58 TRAINING MANUAL...
  • Page 19: Remote Monitor And Modem

    The socket should be covered at all times. After installation is complete, plug in the washer, dryer, and monitor, in that order. Turn on the washer and dryer. Press and hold the SET button on the monitor. DLE9577/DLG9588 Page 19 of 58 TRAINING MANUAL...
  • Page 20: Dryer Cycle Chart

    On MANUAL DRY cycles, the drying time and temperature are set by the user. On every cycle, the default settings can be overridden. Not all options will be available, such as HIGH heat on the DELICATE cycle. DLE9577/DLG9588 Page 20 of 58 TRAINING MANUAL...
  • Page 21: Diagnostic Test Mode

    Dryer must be in standby mode. (Plugged in, turned off) Press and hold MORE TIME and LESS TIME, then press POWER. Press START/PAUSE to advance to the next test. Unplug the dryer for one minute after using the diagnostic mode. DLE9577/DLG9588 Page 21 of 58 TRAINING MANUAL...
  • Page 22: Test 1 - Ac Electrical Supply

    DRYER 9577/9588 TEST 1 – AC Electrical Supply DLE9577/DLG9588 Page 22 of 58 TRAINING MANUAL...
  • Page 23 DRYER 9577/9588 TEST 1 – AC Electrical Supply, continued DLE9577/DLG9588 Page 23 of 58 TRAINING MANUAL...
  • Page 24 DRYER 9577/9588 TEST 1 – AC Electrical Supply, continued DLE9577/DLG9588 Page 24 of 58 TRAINING MANUAL...
  • Page 25: Test 2 - Thermistor

    DRYER 9577/9588 TEST 2 – Thermistor (Measure with power OFF) DLE9577/DLG9588 Page 25 of 58 TRAINING MANUAL...
  • Page 26: Test 3 - Motor

    DRYER 9577/9588 TEST 3 – Motor DLE9577/DLG9588 Page 26 of 58 TRAINING MANUAL...
  • Page 27: Test 4 - Moisture Sensor

    DRYER 9577/9588 TEST 4 – Moisture Sensor DLE9577/DLG9588 Page 27 of 58 TRAINING MANUAL...
  • Page 28: Test 5 - Door Switch

    DRYER 9577/9588 TEST 5 – Door Switch DLE9577/DLG9588 Page 28 of 58 TRAINING MANUAL...
  • Page 29: Test 6 - Heater (Electric)

    DRYER 9577/9588 TEST 6 – Heater (Electric) DLE9577/DLG9588 Page 29 of 58 TRAINING MANUAL...
  • Page 30: Test 7 - Valve (Gas)

    DRYER 9577/9588 TEST 7 – Valve (Gas) DLE9577/DLG9588 Page 30 of 58 TRAINING MANUAL...
  • Page 31: Component Test Procedure

    DRYER 9577/9588 COMPONENT TEST PROCEDURE DLE9577/DLG9588 Page 31 of 58 TRAINING MANUAL...
  • Page 32 DRYER 9577/9588 COMPONENT TEST PROCEDURE DLE9577/DLG9588 Page 32 of 58 TRAINING MANUAL...
  • Page 33 DRYER 9577/9588 COMPONENT TEST PROCEDURE DLE9577/DLG9588 Page 33 of 58 TRAINING MANUAL...
  • Page 34: Disassembly And Repair

    PC Board. (Refer to the block wiring diagram, following.) Proper diagnosis will eliminate unnecessary labor and expedite repairs. DLE9577/DLG9588 Page 34 of 58 TRAINING MANUAL...
  • Page 35: Block Wiring Diagram (Electric And Gas)

    DRYER 9577/9588 BLOCK WIRING DIAGRAM ELECTRIC DRYER GAS DRYER DLE9577/DLG9588 Page 35 of 58 TRAINING MANUAL...
  • Page 36: Motor Diagram And Schematic

    To check the motor, turn the power off and allow the capacitor to discharge. The centrifugal switch serves as a safety device to turn off the fuel (gas or electricity) to the heater if the motor fails to rotate. DLE9577/DLG9588 Page 36 of 58 TRAINING MANUAL...
  • Page 37: Safety Switches

    (gas or electricity) to the heater. The centrifugal switch includes a multi- pin connector (shown). The belt switch is simple. If the belt breaks, the spring pulls the lever down and it presses the switch. DLE9577/DLG9588 Page 37 of 58 TRAINING MANUAL...
  • Page 38: Gas Conversion (Natural Gas To Propane)

    LP. Its purpose is to provide a shoulder for positioning the adjustment screw if the dryer is converted to operate using propane (LP). DLE9577/DLG9588 Page 38 of 58 TRAINING MANUAL...
  • Page 39 The conversion kit includes a propane orifice, complete instructions for making the conversion, and a label indicating the conversion kit has been installed. All conversion work, including testing and adjusting, must be completed by a trained, licensed, and certified gasfitter. DLE9577/DLG9588 Page 39 of 58 TRAINING MANUAL...
  • Page 40: Gas Valve Operation

    (188° C), the igniter is turned off and valve two opens. If the flame detector does not detect ignition, valve two is closed and the process is restarted. If ignition occurs as planned, the drying cycle will operate. GAS IGNITION SEQUENCE GAS VALVE CONSTRUCTION IGNITION FLOW CHART DLE9577/DLG9588 Page 40 of 58 TRAINING MANUAL...
  • Page 41: Disassembly/Repair

    DRYER 9577/9588 DISASSEMBLY/REPAIR TOP PLATE Remove the three screws at the back of the top plate (cover). Push the top plate backward. Lift the top plate off the machine. DLE9577/DLG9588 Page 41 of 58 TRAINING MANUAL...
  • Page 42: Control Panel

    Use the blank panel to cover the unused location on the dryer. Be sure to install the cover on the socket in the unused position. DLE9577/DLG9588 Page 42 of 58 TRAINING MANUAL...
  • Page 43: Front Cabinet Cover

    Save the hinge shim. Remove the two screws near the latch. Remove the two screws and the latch piece. Rotate everything 180° and reinstall the door so it opens from the other side. DLE9577/DLG9588 Page 43 of 58 TRAINING MANUAL...
  • Page 44: Drum Front

    When replacing the drum, you can replace the belt on the wheels after the dryer is reassembled by reaching into the cabinet either through the front or through one of the vent openings. DLE9577/DLG9588 Page 44 of 58 TRAINING MANUAL...
  • Page 45: Drum Lamp

    The tabs on the lamp holder (socket) hold it in the cage. You’ll have to press both of them and push the lamp holder into the cage. DLE9577/DLG9588 Page 45 of 58 TRAINING MANUAL...
  • Page 46: Filter Assembly And Moisture Sensor

    Remove the fan from the shaft and housing. Remove the two motor clamps and lift out the motor. To release the clamps, press the hook end with a large screwdriver and lift it off the retaining tab. DLE9577/DLG9588 Page 46 of 58 TRAINING MANUAL...
  • Page 47: Air Duct

    Remove the front cover. Remove the drum front. Remove the drum and belt. Remove the seven screws that secure the back cover. CAUTION! There are sharp edges here! Use extreme caution to avoid an injury. DLE9577/DLG9588 Page 47 of 58 TRAINING MANUAL...
  • Page 48: Rollers

    Be sure to install the small bushings. These must be between the roller and the retainer on both sides of the roller. DLE9577/DLG9588 Page 48 of 58 TRAINING MANUAL...
  • Page 49: Vent Replacement

    NOTE: Be sure to use real duct tape, which is heat-proof. Some imitation products that look like real duct tape but are not heat sensitive are available and will present a fire hazard. DLE9577/DLG9588 Page 49 of 58 TRAINING MANUAL...
  • Page 50: Main Board

    DRYER 9577/9588 MAIN BOARD DLE9577/DLG9588 Page 50 of 58 TRAINING MANUAL...
  • Page 51: Exploded Views

    DRYER 9577/9588 EXPLODED VIEW DLE9577/DLG9588 Page 51 of 58 TRAINING MANUAL...
  • Page 52: Cabinet, Door, Vent, And Wiring Harness

    DRYER 9577/9588 EXPLODED VIEW - ALL DLE9577/DLG9588 Page 52 of 58 TRAINING MANUAL...
  • Page 53: Drum, Motor, And Heater (Electric)

    DRYER 9577/9588 EXPLODED VIEW - ELECTRIC DLE9577/DLG9588 Page 53 of 58 TRAINING MANUAL...
  • Page 54: Drum, Motor, And Heater (Gas)

    DRYER 9577/9588 EXPLODED VIEW - GAS DLE9577/DLG9588 Page 54 of 58 TRAINING MANUAL...
  • Page 55: Parts List

    DRYER 9577/9588 PARTS LIST DLE9577 DLG9588 Description *001 3829EL3011A 3829EL3011A Manual, Owners *002 MAY31160801 3890EZ3553A Box, Carton *004 3828EL3005F 3828EL3005F Manual, Service A110 3721EL0011C 3721EL0011B Panel Assembly, Control A112 MBL31426502 MBL31426501 Cap, Screw A120 6871EL2003A 6871EL1019B PCB Assembly, Display A130...
  • Page 56 DRYER 9577/9588 DLE9577 DLG9588 Description F110 5301EL1001A Heater Assembly F120 4810EL1007A Bracket, Heater F130 6931EL3003D Thermostat F140 6931EL3001E Thermostat Assembly F200 5209EL1001C 5209EL1001E Duct Assembly K100 3045EL1002E 3045EL1002E Drum Assembly K120 4432EL1002B 4432EL1002B Lifter K130 4400EL2001A 4400EL2001A Belt, Poly V...
  • Page 57 DRYER 9577/9588 DLE9577 DLG9588 Description M110 5221EL2002A Valve Assembly, Gas M140 4974EL1001A Guide, Burner M141 4810EL3002A Bracket, Base M150 5201EL3001A Pipe Assembly M160 5318EL3001A Igniter M170 4948EL4001B Orifice, Natural Gas M171 4948EL4002B Orifice Kit, Propane Conversion M180 4932EL4001A Connector, Pipe...
  • Page 58 DRYER 9577/9588 NOTES DLE9577/DLG9588 Page 58 of 58 TRAINING MANUAL...
  • Page 60 © Copyright 2007 LG Electronics, Inc. Printed in the USA...

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