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LG DLEX7200 Series Service Manual

LG DLEX7200 Series Service Manual

Electric & gas dryer
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CONFIDENTIAL
MODEL :
DLEX7200* DLGX7201*
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED
unless you have obtained the prior written consent of the LG Electronics entity from which you received this
Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or
logos in this Service Manual.
Copyright ©
2016 - 2017
LG Electronics Inc. All rights reserved. Only training and service purposes.

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Summary of Contents for LG DLEX7200 Series

  • Page 1 Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.
  • Page 3 13-2-2. CABINET AND DOOR ASSEMBLY : GAS TYPE ............61 13-3-1. DRUM AND MOTOR ASSEMBLY : ELECTRIC TYPE ..........62 13-3-2. DRUM AND MOTOR ASSEMBLY : GAS TYPE ............63 Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 4 ACCESSORIES Optional accessory Dryer rack (1 each) See page 6 of this manual for usage instruction.
  • Page 5 DLE7200*E DLG7201*E Inlet Valve 14W (1.2A) DC 12V 9.0 cu.ft. Gas dryer : 139.8 Electric dryer : 136.3 Control Lock 27 X 28.9 X 45.3 (inch) 29.8 X 31.3 X 47.24 (inch)
  • Page 7 3-1 Connecting Electric Dryers 4-wire direct If this type is available at your home. you will be connecting to a fused disconnect or circuit breaker 3-wire direct 5" (12.7 cm) If this type is available at your home. you will be connecting to a fused disconnect or circuit breaker...
  • Page 9 3-2 Connecting the gas supply...
  • Page 10 The Energy Saver option is turned on by default in the Cotton/Normal cycle. NOTE Turn off the Energy Saver option for a faster Normal cycle which begins with heated drying. To turn the Energy Saver default off, press and hold the Wrinkle Care button for three seconds. ON or OFF appears in the display.
  • Page 11 Auto reset -31°F (-35°C) Same shape as outlet thermostat. 4. LED Lamp Schematic: If the lamp is turned on It is not by connecting is normal. measured by multimeter because V is 3.2V Measure resistance of the following terminal 1) Door open Terminal: COM - NC (1-3) Terminal: COM - NO (1-2) 2) Door closed...
  • Page 13 Ω Ω Electric type 15. Inlet. valve Measure resistance of the Following terminal Left picture -.plate 16. Generator Measure resistance of the ① Resistance value: 12.96Ω Electric type following terminal ② Resistance value: 12.96Ω ① Terminal: 1-2 ② Terminal: 1-2...
  • Page 14 When checking Component, be sure to turn Power off, then do voltage discharge sufficiently. Ω Ω Ω Ω...
  • Page 15 Only Steam Model Only Steam Model...
  • Page 16 Only Steam Model...
  • Page 18 Installation Test (Duct Check) Check the display for results. During the test cycle, monitor the Flow Sense™ Once you have completed the installation of the display on the control panel. If no bars are dryer, use this test to make sure the condition of the displayed, when the cycle ends, the exhaust exhaust system is adequate for proper operation of system is adequate.
  • Page 19 Troubleshooting for flow sensor dryer • Check the Error Code before you call for service Error Code Possible Causes Solutions or tE2 • Temperature sensor failure • • Humidity Sensor failure. • • Electric dryer power cord is not • Check the power supply or the connection of connected correctly, or house power power cord to the terminal block.
  • Page 21 120V AC Electrical Supply...
  • Page 22 TAP RELAY 1 TAP RELAY 2 ✽ ELEC...
  • Page 23 ✽...
  • Page 24 Thermistor Test --- Measur e with Power Off...
  • Page 25 Motor Test Drum does not rotate, fan does not turn, heater does not function. Ω Ω Ω Ω page 12 Ω page 15...
  • Page 26 Moistur e Sensor Moistur e sensor Ω...
  • Page 27 Door Switch Test half- Ω Ω Ω Ω...
  • Page 28 Heater Switch Test - Electric Type Ω Ω Ω Ω Ω Ω...
  • Page 29 GAS Valve Test - Gas Type GAS V alve test - Gas T ype Ω...
  • Page 30 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, The burner is set for natural gas at the factory. The propane orifice conversion kit is sold as a service part to authorized servicers only.
  • Page 32 PANEL REAR [ELECTRIC] 1. Remove 1 screw. 2. Pull out the cover. 3. Remove 3 screws. 4. Disassemble terminal block and wire from panel rear. PANEL REAR [ELECTRIC] 1. Remove one screw for removing safety cover. 2. Remove 6 screws remained on the panel rear.
  • Page 33 CONTROL PANEL ASSEMBLY 1. Place a towel over the top cover to prevent scratching the surface. Gently lift each corner of the back panel, then roll it forward so it rests on top of the dryer. 2. With a flat blade screwdriver, press the tabs on the side of the PWB (PCB) box and gently pry it open.
  • Page 34 CONTROL PANEL 1. The knob can be taken out if pulled forward. 2. Remove 7 screws from control panel assembly. 3. Separate PCB from control panel.
  • Page 35 How to change top cover 1. Remove the 4 screws. 2. Disassemble terminal block with power cord. 3. Disassemble rear panel and both side screws.
  • Page 36 4. Disassemble front panel. Be careful to avoid breaking the plastic hook (shown) when removing the front panel. 5. Disassemble PCB cover and housing from the PCB. 6. Push the 2 spring clamps by using a putty knife between top cover and door cabinet.
  • Page 37 7. You can open the top cover.
  • Page 38 5. Remove the hose in generator. 6. Remove the cable tie holder in the rear tub. 7. Replace the hose, and assemble the cable tie holder in the rear tub. 8. After connection the hose to the generator, install the clamp.
  • Page 39 How to Replace the steam harness 1. Remove the six connectors from the generator. 2. Remove the thermistor screw from the generator. 3. Remove the steam harness cable tie holder in the rear tub. 4. Replace the steam harness and assemble the cable tie holder in the rear tub. 5.
  • Page 40 How to Replace the generator and bracket 1. Remove the cover and screws. 2. To remove the rear tub, take off the steam 3. Remove the bracket from the generator first. Then remove the rear tub. steam generator. 4. Reassemble the steam generator and bracket. 5.
  • Page 42 FRAME ASSEMBLY (FRONT BULKHEAD) connector frame assembly (front bulkhead). frame assembly (front bulkhead). Remove the top cover. Hold the lamp in place while pressing the clips on both sides of the lamp. Replace with a new lamp.
  • Page 43 ※ All necessary vent conversion parts are included in the dryer vent kit, part number 3911EZ9131X Place the shorter duct section into the dryer. Install a screw through the holding tab to the bracket in the base of the dryer. Attach the 4-inch elbow to the remaining 4-inch duct.
  • Page 44 It is not necessary to remove the electrodes or the grid to change or replace the filter. frame assembly (front bulkhead). ※ This is a left-hand thread. frame assembly (front bulkhead). 7 screws from the back of the dryer. Remove the rear tub drum by taking it out through the inside of the dryer cabinet.
  • Page 45 frame assembly (front bulkhead.) frame assembly (front bulkhead.) frame assembly (front bulkhead.)
  • Page 46 FASTENER CHART - SIZES and POSITIONS Reversing the Door WARNING 4. Remove the 4 screws securing the hinges to the door frame. Remove the two plastic cover caps. Reinstall THE DRYER DOOR IS VERY LARGE AND HEAVY. Failure the hinges and cover caps on the opposite sides from to follow the instructions below can result in damage to which they were removed.
  • Page 47 EXPLODED VIEW 14-1. Control Panel and Plate Assembly A130 A110 A140 A150 A120 A210 A211 A570 A215...
  • Page 48 14-2-1. A700 A800 A212 A610 A590 A212 A600 A320 A550 A315 A330 A500 A325 A510 A313 A314 A131 A310 A430 A545 A520 A540 A440 A450 A430 A420 A400...
  • Page 49 14-2-2. A700 A800 A212 A590 A212 A600 A320 A550 A315 A330 A500 A325 A510 A313 A314 A131 A310 A430 A545 A520 A540 A440 A450 A430 A420 A400...
  • Page 50 14-3-1. K400 F200 K509 K502 K120 K410 K507 K505 K411 A142 K100 K140 K720 K230 K130 K251 K250 A221 K336 K210 K350 K320 K335 K340 K310 K330 K250 K620 K550 K560 K610 K251 K540 K240 K530 K515 K520 K510 F140 K655 K640 K660...
  • Page 51 14-3-2. K400 K509 K502 F200 K120 K507 K505 K410 K411 A142 K100 K140 K720 K130 K230 K251 K250 K336 A221 K210 K350 K320 K335 K340 K310 K330 K620 K250 K550 K560 K610 K251 K540 K240 K530 K520 K510 K660 K651 K655 K640 M141...
  • Page 52 MAR, 2017 PRINTED IN KOREA MFL69290414...

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