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ELECTRIC & GAS DRYER

SERVICE MANUAL

CAUTION

READ THIS MANUAL 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

MODEL : DLEX5101W    DLGX5102W

                 DLEX5101V     DLGX5102V

                 DLEX5170W    DLGX5171W 

                 DLEX5170V     DLGX5171V

Summary of Contents for DLEX5101V

Page 1: ...UAL 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 MODEL DLEX5101W DLGX5102W DLEX5101V DLGX5102V DLEX5170W DLGX5171W DLEX5170V DLGX5171V ...

Page 2: ...OCT 2009 PRINTED IN KOREA P No MFL62119910 ...

Page 3: ...ll of the safety warnings in this manual could result in property damage personal injury or death WARNING WHAT TO DO IF YOU SMELL GAS IMPORTANT SAFETY NOTICE RECONNECT ALL GROUNDING DEVICES IMPORTANT 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 oc...

Page 4: ...CAL SUPPLY 23 10 2 TEST 2 THERMISTOR TEST MEASURE WITH POWER OFF 26 10 3 TEST 3 MOTOR TEST 27 10 4 TEST 4 MOISTURE SENSOR 28 10 5 TEST 5 DOOR SWITCH TEST 29 10 6 TEST 6 HEATER SWITCH TEST ELECTRIC TYPE 30 10 7 TEST 7 GAS VALVE TEST GAS TYPE 31 10 9 TEST 8 MOTOR ASSEMBLY DC PUMP 32 10 10 TEST 9 GENERATOR ASSEMBLY 33 11 CHANGE GAS SETTING NATURAL GAS PROPANE GAS 34 12 DISASSEMBLY INSTRUCTIONS 36 13 ...

Page 5: ...r to the rating label on the dryer Gas 120 VAC Electric 240VAC Specifications are subject to change by manufacturer See page 6 of this manual for usage instruction Size 27 X 28 9 X 45 3 inch Dryer capacity IEC 7 3 cu ft Weight 133 2 Ibs Dryer rack 1 each ACCESSORIES ...

Page 6: ...rature No of Dry Levels Reversible Door Drum Dryer Rack Child Lock Interior Light Product WxDxH Sensor Power Supply Material Finish Spray 120 V 60 Hz 11 5 A 120 V 208 V 60 Hz 23 A 120 V 240 V 60 Hz 26 A 250W 4 5A 5400W 22 5A 15 W 0 2A 13 W 0 11A x 2 1100W 9 2A 2 4W 0 15A Electronic 7 3 cu ft 133 2 14 6 5 5 Available Available Available Stainless Steel Available Available Available 27 x 28 9 x 45 3...

Page 7: ...TALLATION INSTRUCTIONS 6 Dryer Rack 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 8: ...1 Connect the neutral wire white of the power cord to the center terminal block screw 2 Connect the red and black wires to the left and right terminal block screws 3 Connect the ground wire green of the power cord to the external ground screw Remove the neutral ground wire of appliance and connect it to center screw 4 Make sure that the strain relief screw is tightened and that all terminal block ...

Page 9: ...nances do not allow the connection of a frame grounding conductor to the neutral wire use the instructions under Section 3 Optional 3 wire connection 1 Connect the neutral white or center wire B to the center silver colored screw A and tighten securely 2 Connect the other two power cord wires red and black to the left and right terminal block screws and tighten securely 3 Tighten the strain relief...

Page 10: ...exible Connector Use only if allowed by local codes Use Design A G A Certified Connector 2 1 8 N P T Pipe Plug for checking inlet gas pressure 3 E q u i p m e n t S h u t O f f V a l v e I n s t a l l e d within 6 1 8 m of dryer 4 Black Iron Pipe Shorter than 20 6 1 m Use 3 8 pipe Longer than 20 6 1m Use 1 2 pipe 5 3 8 N P T Gas Connection 3 Connect to gas supply pipe using a new flexible stainles...

Page 11: ...and termination Temp erature Dry Level Display time Motor Heater Off Off Very Dry Normal Adjustable Normal Adjustable Normal Adjustable Normal Adjustable Normal Adjustable Normal Adjustable Normal Adjustable Normal Adjustable Off Off Off 20min 39min 70min 55min 54min 36min 41min 32min 55min 30min 27min 25min 30min 50min 5min 5min 5min 5min 5min 5min 5min 5min 5min 5min 5min 5min 5min 5min Saturati...

Page 12: ...value Resistance value 5Ω Resistance value Resistance value 5Ω Resistance value 1Ω Resistance value Resistance value Resistance value 1Ω Resistance value 80Ω 100Ω 1 lever open Resistance value 1Ω 2 Lever push close Resistance value Check Top Marking N140 2 Hi limit Thermostat Auto reset 3 Outlet Thermostat Auto reset Check Top Marking N85 4 Lamp holder 5 Door switch Measure resistance of the follo...

Page 13: ...0 F 8 Thermistor Measure resistance of terminal to terminal Temperature condition 9 Motor See Page 14 10 Gas valve Resistance value 10Ω Resistance value 10Ω Resistance value 20Ω Resistance value 10Ω Electric type Heater case Hi limit Electric type Gas type Gas type Gas type Resistance value 50 800 Ω for 5318EL3001 40 150 Ω for MEQ1841001 Resistance value2 3k 2 7kΩ Resistance value2 3k 2 7kΩ Resist...

Page 14: ...n at 203 41 F 95 5 C Close at 159 41 F 70 5 C Gas type Gas funnel Gas type Gas funnel Measure resistance of terminal to terminal Open at 230 41 F 110 5 C Manual reset Resistance value Continuity 1Ω Check Top Marking N95 Check Top Marking N100 Resistance value Continuity 1Ω Component Test Procedure Check result Remark ...

Page 15: ...ntact On Off by Centrifugal Switch RUN MODE Motor operates STOP MODE When Motor does not operate Motor 2 3Ω 3 5Ω 1Ω 1Ω ᴾᴬ ᴾᴬ 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 16: ...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 17: ...llow selected cycle REDUCE STATIC EASY IRON HEAVY DUTY COTTON TOWELS NORMAL PERM PRESS DELICATES TIME DRY Sports wear Shirt 70 cotton 30 poly blend Except especially delicate fabrics DEFAULT TIME TEMP CONTROL DRY LEVEL FABRIC STATE MAXIMUM AMOUNT FABRIC TYPE The steam feeder must be filled with water up to the MAX line Otherwise an error message will be displayed If the lint filter or exhaust duct...

Page 18: ...er drips from orifice when Steam Cycle starts Steam doesn t generate but no error code is shown Garments still wrinkled after STEAM FRESH There are no creases left on garment after STEAM FRESH Garments have static after REDUCE STATIC Garments are too damp or too dry after REDUCE STATIC Garments are not uniformly damp after EASY IRON Water drips from door during Steam Cycle This is normal Steam vap...

Page 19: ...Red Wire Connection is wrong Wire Connection is loose See the 7 9 page Guidance of the wire connection For only electric dryer PS Power Supply PS Thermistor of steam generator Steam generator thermistor open or shorted tE4 error is only displayed in the test mode Replace the steam generator tE4 Steam generator Sensors do not detect that steam generator is full within 60 seconds If water in the ste...

Page 20: ...d duct vents or hoses decrease efficiency 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 9 1 Flow sensor Flow Sensor Function ...

Page 21: ...AMP DRY BEEP and the TEMP CONTROL buttons together while turning on the dryer with the POWER button i e Press together the three buttons DAMP DRY BEEP TEMP CONTROL POWER The dryer will start and run for 2 minutes while it checks temperatures At the end of this short cycle it will display the results as follows Fig 1 9 2 Installation check PRESS TOGETHER Three buttons After installation check If th...

Page 22: ...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 23: ...hermistor open tE1 PGM Ver 8E8 V008E8 V00 8E9 Elec Type 898 Gas Type Thermistor shorted tE2 AG Thermistor open or shorted tE4 Pump Error Pump runs E5 Power off OO Motor runs Displays Moisture Sensor Operation If moisture sensor is contacted with damp cloth The display number is below180innormalcondition 30 Low moisture 239 High moisture Current Temp 5 70 Current Temp 5 70 Pump AD valve 11 255 Elec...

Page 24: ...between connector BK2 or WH2 Black Wire linked to the Controller and BL2 White Wire Is 110 125V Check if the Controller wire is disconnected Check if Terminal Block and Power Cord are connected Check Plug Does Power Cord N Natural line match to Terminal Center N Natural line Replace controIler Reconnect the controller Check if Power Cord is properly connected Check the fuse or circuit breaker YES ...

Page 25: ...elay Black Housing Black Tab Relay Check the Matching color Between Harness wire and Tab Relay White Housing White Tab Relay White Low Extra Low Low Extra Low on on on on on O O O O on off off Temperature Control below 68ᴦ 4 Turn on Heater1 and Heater2 Temperature Control below 52ᴦ 4 Only Turn on Heater1 Temperature Control below 70ᴦ 4 Turn on Burner PCB ASSEMBLY LAYOUT Temperature Control below 4...

Page 26: ... and Wire ၂ ၃ CROSS Wire ၂ ၃ CROSS Off Off Normal Heater1 Off Off Off Normal Heater2 Off Off Off Power Off Power Off Power On Power On Power Off Power Off Heater1 Operation black Heater1 Operation black Heater2 Operation White Heater2 Operation White PCB condition Of operation PCB condition Of operation 3 Incorrect Connection Error and Results Incorrect Connection of the Tab Relay and Connector Ho...

Page 27: ... Pin ၅ Orange Wire to controller Check if control and the 6 pin connector are properly connected Replace controller Replace thermistor Check if resistance is in the range of Table 1 when measuring resistance between terminals after separating harness from thermistor assembly connector Check harness linking connector Take the NA6 Connector from the Controller NO NO YES YES Table 1 Resistance for Th...

Page 28: ...onnector Replace outlet Thermostat Refer to component Check Idler assembly Drum belt cuts off Drum belt takes off from Motor pulley Replace Idler switch Is resistance below 3Ω between connector BL2 White wire and WH4 Yellow wire Measure while door is closed Is resistance below 3Ω between connector WH4 Yellow wire and WH4 Brown wire Is resistance below 1Ω between terminals of outlet thermostat atta...

Page 29: ...e below 1Ω Check electro Load and harness connector Check harness linking connector Replace control and check When contacting cloth to electro load 1 Is the measurement within the range of Table 2 during Diagnostic Test 2 Is the measurement within the range of Table 2 when measuring the voltage in the NA6 connector s Pin Orange wire and Pin Blue wire Normal Condition IMC 70 40 40 20 10 Dried cloth...

Page 30: ...k Refer to component testing Check lamp When opening lamp replace then measure again Door switch check Refer to component testing Door switch check Refer to component testing Door switch check Refer to component testing Measure while door is open Check it resistance is 300 60 Ω between BL2 White wire and BK2 Black wire Connector BL2 WH4 after taking BL2 WH4 out from controller Measure while door i...

Page 31: ...ondition YES NO Check motor and replace it 1 Is resistance between heater terminal and below 18 22Ω 2 Is resistance between heater terminal and below 18 22Ω 3 Is resistance between heater terminal and below 9 11Ω YES NO Replace heater Check if the value of measured resistance is below 1Ω between terminal TH2 Safety thermostat YES NO Replace TH2 Safety thermostat and TH3 Hi Limit thermostat Check i...

Page 32: ...more 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 ...

Page 33: ... During diagnostic test E5 error occur Turn the dryer s power off then measure resistance After activating the diagnostic test press START PAUSE button 4 times Is AD value displayed higher than 10 Replace the DC pump Normal condition YES NO diagnostic test go to page 23 ᅐ Test 8 Motor Assembly DC Pump Caution Trouble Symptom MeasurementCondition 32 ...

Page 34: ... generator assembly is not heating During diagnostic test tE4 error occur Turn the dryer s power off then measure resistance Is resistance 14 3 5 between heater terminal and Replace the DC Pump assembly If measured resistance value is replace the generator assembly too Normal condition YES NO ᅐ Test 9 Generator Assembly Caution Trouble Symptom MeasurementCondition 33 ...

Page 35: ...opane LP using natural gas could result in fire explosion or personal injury Conversion must be done a qualified technician The dryer is set for natural gas at the factory A propane conversion kit is available through the parts department to licensed technicians only The part numbers are listed below ...

Page 36: ... ALVE 2 FLAME DETECT GAS VALVE STRUCTURE GAS VALVE FLOW START KEY PUSH DRYING F F O 2 E V L A V N O 1 E V L A V VALVE 2 ON IGNITER ON FLAME DETECT OPEN IGNITER TEMPERATURE ABOUT GAS IGNITION FLAME DETECT CLOSE VALVE 2 OFF NO NO YES YES ...

Page 37: ...t each corner of the back panel then roll it forward so it rests on top of the dryer 3 With a flat blade screwdriver press the tabs on the side of the PWB PCB box and gently pry it open 4 Disconnect the wiring from the PWB PCB board 5 Disassemble the control panel assembly from top cover Disassemble and repair the unit only after pulling out power plug from the outlet 36 ...

Page 38: ...ANEL PANEL REAR ELECTRIC 1 Remove 8 screws from control panel assembly 2 Separate PCB from control panel 1 Remove 1 screw 2 Pull out the cover 1 Remove 3 screws 2 Disassemble terminal block and wire from panel rear ...

Page 39: ...s the holder with flat tip screw driver inside the top cover 1 Remove 1 screw for lifting safety cover 3 Open the top cover 4 Disassembly top cover from cabinet assembly WARNING Before lifting the top cover remove the safety cover If you don t remove the safety cover it will be destroyed when you press the holder be careful scratch For preventing the scratch prepare the soft material ...

Page 40: ...inserted to the end Otherwise drawer will be stuck in the guide And it will be destroyed 1 Press the drawer to the end 2 Put the locker into CLOSE 3 Close the top cover 4 Test moving of the locker to make sure the drawer is properly located and the locker is operated correctly ...

Page 41: ... Disconnect wiring to the harness 2 Remove 3 screws 3 Pull out the guide assembly 2 With a flat blade screwdriver press the tabs on the side of frame body and gently take it out FRAME BODY LID 1 Open the top cover Inside ...

Page 42: ...the door and remove the 4 screws from the cabinet cover then close the door 2 Remove the 2 screws then tilt the cabinet cover toward the front of dryer slightly 3 Disconnect wiring to the door switch and lift the cabinet cover ...

Page 43: ...ile removing the screw 3 Slide the shield up and remove 4 Remove the bulb and replace 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 WARNING WHEN YOU DISASSEMBLY THE LAMP CONNECCTOR BE SURE TO TAKE GLOVES A...

Page 44: ... RISK OF PERSONAL INJURY ADHERE TO ALL INDUSTRY RECOMMENDED SAFETY PROCEDURES INCLUDING THE USE OF LONG SLEEVED GLOVES AND SAFETY GLASSES FAILURE TO FOLLOW ALL OF THE SAFETY WARNING IN THE MANUAL COULD RESULT IN PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 DRYER EXHAUST CHANGE DUCT TAPE DUCT TAPE DUCT TAPE 2 2 2 1 ڹ ڹ ں ڻ 3 1 3 2 ...

Page 45: ... 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 1 Disassemble the top plate 2 Remove the cabinet cover and tub drum Front 3 Remove the drum assembly 4 Remove 7 screws 5 Pull the tub drum Rear towards the front 6 Remove the fan 7 Disconnect the motor clamp and motor ...

Page 46: ...move the filter and 2 screws 1 Disassemble the top plate 2 Remove the cabinet cover and tub drum Front 3 Remove the drum assembly and tub drum Rear 4 Disconnect the air duct from the tub drum Front 4 Remove the air duct 5 Remove the roller from the tub drum Front and tub drum Rear ...

Page 47: ...13 EXPLODED VIEW 45 13 1 Control Panel Plate Assembly A140 A120 A215 A210 A150 A130 A110 A211 A211 A260 A265 A255 A250 ...

Page 48: ...47 13 2 Guide Assembly K503 K508 K501 A090 A171 K507 K505 K502 K504 K506 A161 A170 A350 ...

Page 49: ...49 A600 A550 A800 A212 A212 A590 A700 A320 A310 A545 A500 A520 A540 A400 A440 A450 A510 A330 A430 A420 A131 A311 13 3 2 Cabinet and Door Assembly Gas Type A410 A470 A475 A315 ...

Page 50: ...K310 K620 K610 K330 K340 K130 K100 K221 K222 K210 K240 K350 K510 M220 M240 M150 M141 M160 M171 M170 M140 M110 M181 M180 M190 M230 M250 K540 K650 K520 K550 K250 K560 K320 K250 K251 K224 K230 K225 K251 K360 K530 K651 K600 M210 M171 Propane Gas orifice M170 Natural Gas orifice K515 K660 ...

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