LG DES2038EKD Service Manual Download Page 14 | Manualshive

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7

WIRING DIAGRAM

14

Label all wires prior to disconnection when servicing controls. Wiring

errors can cause improper and dangrous operation. Verify proper

operation after servicing.

CAUTION

ELECTRIC DRYER WIRING DIAGRAM

GAS DRYER WIRING DIAGRAM

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Summary of Contents for DES2038EKD

Page 1: ...CAREFULLY IN ORDER TO PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY PROVIDE QUALITY SERVICE ON THESE DRYERS U S A Website http us lgservice com Canadian Website http lg ca DGS2028EKD DGS2038EKD DGS1828EKD DGS1838EKD DGS1858EKD DGS1818EKD DES2038EKD DLE1101W DLG1102W ...

Page 2: ...ow all of the safety warnings in this manual could result in property damage injury to persons or death WARNING WHAT TO DO IF YOU SMELL GAS IMPORTANT SAFETY NOTICE RECONNECT ALL GROUNDING DEVICES 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 your building Clear the room building or area of all occupa...

Page 3: ... AC ELECTRICAL SUPPLY 20 9 2 TEST 2 THERMISTOR TEST MEASURE WITH POWER OFF 21 9 3 TEST 3 MOTOR TEST 22 9 4 TEST 4 MOISTURE SENSOR 23 9 5 TEST 5 DOOR SWITCH TEST 24 9 6 TEST 6 HEATER SWITCH TEST ELECTRIC TYPE 25 9 7 TEST 7 GAS VALVE TEST GAS TYPE 26 9 9 TEST 8 MOTOR ASSEMBLY DC PUMP 27 10 CHANGE GAS SETTING NATURAL GAS PROPANE GAS 28 11 DISASSEMBLY INSTRUCTIONS 30 12 EXPLODED VIEW 37 12 1 CONTROL P...

Page 4: ...g label on the dryer Gas 120 VAC Electric 240VAC Specifications are subject to change by manufacturer Size 27 X 403 16 X 29 inch Dryer capacity IEC 7 3 cu ft Weight 125 5 Ibs See page 6 of this manual for usage instruction Dryer rack 1 each Sold Separately Some Model ACCESSORIES ...

Page 5: ... No of Temperature Controls Moisture Temperature No of Dry Levels Reversible Door Drum Child Lock Interior Light Product WxHxD Packing WxHxD Sensor POWER SUPPLY Material Finish Chrome 120 240V60Hz 26A 120 208V60Hz 23A 120V 60Hz 11 5A 250W 4 5A 5400W 22 5A 4100W 21A 15 W 0 2A 13 W 0 11A x 2 Electronic 7 3 cu ft 124 9 144 4 9 12 6 4 5 Available Available Available Alcosta Available Available 27 x 40...

Page 6: ...AND BENEFITS 6 3 INSTALLATION INSTRUCTIONS Open the door Hold the dryer rack with both hands Put the dryer rack into the drum Check and be sure that the front of the rack is properly seated behind the lint filter ...

Page 7: ...s permit the connection of a chassis ground to the neutral connector If this is not permitted use option 3 4 wire receptacle Review the following options to determine the appropriate electrical connection for your home NEMA type14 30R NEMA type10 30R 3 wire receptacle Option 2 3 Wire Connection with a Power Supply Cord 3 Connect the ground wire green of the power cord to the external ground screw ...

Page 8: ...using a new flexible stainless steel connector 4 Tighten all connections securely Turn on gas and check all pipe connections internal external for gas leaks with a non corrosive leak detection fluid 5 For LP Liquefied Petroleum gas connection refer to section on Gas Requirements 1 New Stainless Steel Flexible Connector Use only if allowed by local codes Use Design A G A Certified Connector 2 NPT P...

Page 9: ...4 DRYER CYCLE PROCESS 9 Sensor dry Dry Level is set by users Manual dry Temperature control is set by users Default settings can be adjusted by users ...

Page 10: ...10 5 COMPONENT TESTING INFORMATION ...

Page 11: ...terminal Valve 1 terminal Valve 2 terminal 8 Thermistor Measure resistance of terminal to terminal Temperature condition 9 Motor 10 Gas valve Resistance value 10 Resistance value 10 Resistance value 20 Resistance value 10 valve 1 valve 2 Component Test Procedure Check result Remark Resistance value 1 5 2 5 13 Resistance value 100 800 12 Frame Detect Measure resistance of termina to terminal Resist...

Page 12: ...Close at 159 9 F 70 5 C Gas type Gas funnel Gas type Gas funnel Measure resistance of terminal to terminal Open at 212 12 F 110 7 C Manual reset If thermal fuse is open must be replaced Resistance value Continuity 1Ω Check Top Marking N95 Check Top Marking N110 Resistance value Continuity 1Ω Component Test Procedure Check result Remark ...

Page 13: ... Contact On Off by Centrifugal Switch RUN MODE Motor operates STOP MODE When Motor does not operate Motor 2 3Ω 3 5Ω 1Ω 1Ω Terminal No Mode Centrifugal switch Centrifugal switch Pull Drive forward Resistance Remark Motor STOP Motor RUN Motor Heater Electric Models Heater Electric Models Gas Valve Gas Models Gas Valve Gas Models ...

Page 14: ...Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangrous operation Verify proper operation after servicing CAUTION ELECTRIC DRYER WIRING DIAGRAM GAS DRYER WIRING DIAGRAM ...

Page 15: ...d duct vents or hoses decrease e fficiency in drying clothes Clogged vents can also cause fire This function alarms you when to clean the ducts When the alarm about duct clogging is on display of the panel your duct vents should be cleaned by yourself or serviceman 8 1 Flow sensor Flow Sensor Function ...

Page 16: ...g mode 3 Press the START PAUSE button The dryer will run for approximately 2 minutes to test for blockages or restrictions to air flow in the ductwork Check the display for results During the two minute test cycle monitor the FLOW SENSE display on the control panel If FLOW SENSE is displayed when the cycle ends the exhaust system is adequate If the exhaust system is severely restricted the display...

Page 17: ...e exhaust system for restrictions and damage Repair or replace the exhaust system as needed NOTE When the dryer is first insralled this test should be performed to alert you to any existing problems with the exhaust duct in your home However since the test performed during normal operation provides more accurate information on the condition of the exhaust duct than does the installation test FLOW ...

Page 18: ...tricted Check for blockages and lint build up Avoid long runs of ducts or runs with multiple elbows or bends Control Panel 1 FLOW SENSE indicator light is on even when vents have been clean and even when the vents are off This is Normal After flow sensor recheck full next cycle flow sensor is reset Flow sensor bars will disappear after dryer has operated two cycle Bars Are Displayed but Don t Disa...

Page 19: ...eater while the door is open Pressing the START PAUSE None Standard Thermistor open Thermistor shorted tE Power off OO Motor runs Displays Moisture Sensor Operation If moisture sensor is contacted with damp cloth The display number is below180 in normal condition 255 Low moisture 30 High moisture 1HE Elec Type 1H9 Gas Type d U DISPLAY PGM MAIN PGM Current Temp 5 70 Current Temp 5 70 Electric contr...

Page 20: ...10V 125V AC YES NO Check the fuse or circuit breaker Check if the voltage measured between Connector BK2 or WH2 Black Wire Linked to the Controller and WH1 White Wire Is 110 125V YES NO 1 1 2 BK2 or WH2 WH1 BK WH Check if Power Cord is properly connected Reconnect the controller Replace controIler Check if the Controller wire is disconnected Check if Terminal Block and Power Cord are connected Che...

Page 21: ...asure the resistance between the NA6 1 RD and NA6 4 BL Does the resistance measured match the temperature of the thermistor in the chart Use room temperature unless the thermistor is warm from running the dryer Disconnect the NA6 connector from the main PCB Measure the resistance between the NA6 6 GN pin and a chassis ground screw Is the resistance 1 Ω Replace the main PCB Check all wiring harness...

Page 22: ...f from Motor Pulley Is resistance below 3Ω between Connector WH White wire and BL2 Yellow wire Measure while door is closed YES NO Check if Door flame presses door switch knob Check Door Switch Check Harness connection Is resistance below 3Ω between Connector BL2 Yellow wire and BL2 Brown wire NO YES Replace Control Relay check Check Controller connector Is resistance below 1Ω between terminals of...

Page 23: ...rness and PCB operation If the results of this test are normal the sensor system and PCB response are normal The problem is somewhere else FUNCTIONAL TEST Control 1 Enter the diagnostic mode See DIAGNOSTIC TEST MODE on page 18 2 With the door closed press the START PAUSE button once The dryer will start tumbling without heat 3 Open the door The drum will stop tumbling and the dE error code will be...

Page 24: ... light bulb Replace the light socket BL2 1 3 4 2 WH4 1 3 4 2 NO NO NO YES YES NOTE This test has two parts The best test of the door switch system is done in the diagnostic mode This FUNCTIONAL TEST will test the door switch wiring harness and PCB operation If the results of this test are normal the door switch system and PCB response are normal The problem is somewhere else FUNCTIONAL TEST Contro...

Page 25: ... and connectors to the element See element component test Check power supply Replace the element NO NO NO NO NO YES YES YES YES YES Measure the resistance between the YL wire on the black tab relay and the BL wire on the white tab relay connectors Is the resistance 36 44 Ω Measure the resistance between terminals 1 RD and the heater housing Is the resistance Ω Refer to the hi limit thermostat and ...

Page 26: ... than DC 90V 10 sec after Igniter off When measuring terminal resistance on valve 1 and valve 2 valves are more than1 5 2 5kΩ Measure after off If valve 1 and valve 2 are under DC 10V valves are Off Harness check Controller change Check thermostat hi limit safety Check Igniter frame detect Check gas connection or gas supply Change valve Change valve YES YES YES YES YES NO NO NO NO NO NO Valve 1 NO...

Page 27: ...ntact the metal plug of Power cord with earth line Degree of Resistance is not in 300 æ30 Ω Turn the Dryer s Power Off then measure resistance When measuring resistance Is resistance 300 20 Ω YES NO Check Semi conductor and Harness Connector Check Harness linking connector Take 6pin Connector from the Controller Test 8 Motor Assembly DC Pump 27 ...

Page 28: ...on Sheet NCU PCK Remove 2 screws Disassemble the pipe assembly Replace Natural Gas orifice with Propane Gas orifice Opened Closed Orifice Initially Changing orifices and gas valve adjustments improperly can result in an explosion and or fire Conversion must be made by a qualified technician Warning The burner is set for natural gas at the factory The propane orifice conversion kit is sold as a ser...

Page 29: ...29 VALVE 1 IGNITER VALVE 2 FLAME DETECT NO NO YES YES ...

Page 30: ...ety procedures including the use of long sleeved gloves and safety glasses 1 Remove the 2 screws that hold the PCB box in place 2 Slide the PCB box toward the rear of the dryer and lift out 3 With a flat blade screwdriver press the tabs on the side of the PCB box and gently pry it open 4 Disconnect the wiring from the PCB board then remove the PCB board DISASSEMBLY INSTRUCTIONS 1 Remove the 4 scre...

Page 31: ... of the front panel assembly 3 Disassemble the front panel assembly WARNING When you disassemble the Dryer be sure to disconnect the dryer from its electrical supply Protect your hands and arms from sharp edges when working To reduce the risk of personal injury adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses The inner top plate is he...

Page 32: ...r switch and lift the cabinet cover 4 Disconnect wiring to the door switch and lift the cabinet cover WARNING When you disassemble the Dryer be sure to disconnect the dryer from its electrical supply Protect your hands and arms from sharp edges when working To reduce the risk of personal injury adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety...

Page 33: ...ce with a 15 watt 120 volt candelabra base bulb 5 Replace the lamp shield and screw 1 Disassemble the top plate 2 Remove cabinet cover 3 Disconnect the door lamp and electrode sensor connector 4 Remove 4 screws 5 Disassemble the tub drum Front 33 When you disassemble the Dryer be sure to disconnect the dryer from its electrical supply Protect your hands and arms from sharp edges when working To re...

Page 34: ... Pre assemble a 4 elbow with a 4 duct Wrap duct tape around the joint 5 Insert duct assembly elbow first through the side opening and connect the elbow to the dryer s internal duct WARNING Beforeperformingthisexhaustinstallation besureto disconnectthedryerfromitselectricalsupply Protectyour handsandarmsfromsharpedgeswhenworkinginsidethe cabinet Toreducethe riskofpersonalinjury adhereto all industr...

Page 35: ...y 4 Remove 7 screws 5 Pull the tub drum Rear towards the front 6 Remove the fan 7 Disconnect the motor clamp and motor When you disassemble the Dryer be sure to disconnect the dryer from its electrical supply Protect your hands and arms from sharp edges when working To reduce the risk of personal injury adhere to all industry recommended safety procedures including the use of long sleeved gloves a...

Page 36: ...ont and tub drum Rear When you disassemble the Dryer be sure to disconnect the dryer from its electrical supply Protect your hands and arms from sharp edges when working To reduce the risk of personal injury adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses 1 Disassemble the top plate 2 Remove the cabinet cover 3 Remove the filter and ...

Page 37: ...12 EXPLODED VIEW 37 12 1 Control Panel and Plate Assembly A210 A120 A150 A130 A213 A110 A215 A115 A570 ...

Page 38: ...38 12 2 Cabinet Door Assembly A600 A800 A320 A545 A500 A520 A540 A410 A470 A510 A310 A440 A450 A475 A420 A430 A400 A330 A313 A314 A131 A430 A315 A610 A325 ...

Page 39: ...lectric Type K400 F200 K640 K660 K655 K120 K140 K310 K620 K610 K330 K340 K130 K100 K221 K222 K210 K240 K350 F130 F110 F120 F140 K510 K540 K650 K520 K550 K250 K560 K320 K250 K251 K224 K230 K225 K251 K360 K530 K651 K600 K515 K335 K336 ...

Page 40: ...April 2012 PRINTED IN KOREA P No MFL62119948 ...

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