LG TD-C7014 series Page 27 Service Manual Download | Manualshive

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DIAGOSTIC TEST

11

27

40% ~ 60%

5% ~ 20%

-3 ~ +5 %

50 ~ 130

100 ~ 200

205 ~ 240

After Spinning

Iron dry

After normal dry

IMC

DISPLAY

NOTE

4

3
2

GN1(RD4)

1

Metal Wire

NO

NO

NO

YES

YES

Test 6 Thermistor check

Trouble Symptom : Drying Failure

Measurement condition : Power cord is unplugged.

With CN1(RED4)
disconnected from Controller,
CN1

-CN1

resistance is

unlimited?

With metal tape attached to
Sensor tips, CN1

-CN1

resistance is less than 10

Ω

?

After damp clothes touch
Sensor tips,
the range are within the
below table when QA-test?

• Check Harness
• Check if Sensor tips

have foreign objects
- Refer to the left picture

• Check Harness

- Open, Connector is

disconnected

• Check and replace

Controller

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Summary of Contents for TD-C7014 series

Page 1: ...CONDENSING DRYER SERVICE MANUAL READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE CAUTION MODEL TD C7014 Series ...

Page 2: ...to ground are removed for service they must be returned to their original position and properly fastened IMPORTANT Electrostatic Discharge ESD Sensitive Electronics ESD problems are present everywhere ESD may damage or weaken the electronic control assembly The new control assembly may appear to work well after repair is finished but failure may occur at a later date due to ESD stress Use an anti ...

Page 3: ... IDENTIFICATION 6 4 PROGRAM CYCLE 7 5 INSTALLATION INSTRUCTIONS 10 6 MAINTENANCE INSTRUCTIONS 12 7 COMPONENT TESTING TIPS 15 8 CONTROL LAY OUT 17 9 WIRING DIAGRAM 18 10 TROUBLESHOOTING 19 11 DIAGOSTIC TEST 21 12 DISASSEMBLY INSTRUCTIONS 28 13 EXPLODED VIEW 38 ...

Page 4: ...6 Liter SAFETY DEVICES Thermal Fuse Motor Over current protect Motor Thermostat SENSING TYPE Micom electronic Control 1 Temperature 2 thermistors 2 Humidity Electrode Sensor FILTER Removable Double screen DRUM SPEED 56 57 rpm REVERSIBLE DOOR Available DRUM Stainless steel DRYER RACK Available CHILD LOCK Available TEMPERTURE CONTROL Available Quick Gentle buttons Default ON IRON DRY BUZZER Availabl...

Page 5: ...e is shortened by efficient air flow mechanism and optimized heater Innovative noise performance Noise gets reduced by Noise absorption screening technology Easy of Use Wide LED display using electric control Control Panel Program selector Start Pause LED Display Time Display Indicator lamps Additional function buttons Quick Gentle Iron dry Buzzer Anti Crease Time Delay Time Adding TD C70140E 145E...

Page 6: ...ATION 3 6 Accessories 1 Drain Hose Assembly Purchased Separately 2 Stacking kit Assembly Purchased Separately P No 5001EL2001A P No 5001EL2001C Water container Control panel Door Condenser Cover Air ventilation grill ...

Page 7: ...ur 4 Press Start Pause button Time Adding Press Time Adding until the desired drying time is displayed Tap Time Adding and the time will change by 20 minute intervals NOTE The Time Adding function can be used with Timed Drying Child Lock For the safety of your children press Quick and Gentle Buttons at the same time for about 3 seconds You can see the child lock lamp is on which means this functio...

Page 8: ...th robes dishcloths Quilted fabrics made of acrylic All fabrics needing freshing tumbles without heat Silk Women s thin clothes lingerie For thick and quilted fabrics which do not need to be ironed For fabrics which do not need to be ironed For fabrics which do need to be ironed For thick and quilted fabrics which do not need to be ironed For fabrics which do not need to be ironed For fabrics whic...

Page 9: ...left Cottons Very dry O O O O 120 Cupboard dry O O O O 115 Light dry O O O O 103 Iron dry O O O O 97 Mixed Fabric Very dry O O O O 53 Cupboard dry O O O O 48 Iron dry O O O O 41 Timed Drying Warm 20min O O X O 20 Cool Air 20min X X X O 20 Special Fabric Delicate X X O O 69 ...

Page 10: ...materials are not stored 2 If the dryer is not properly level adjust the front leveling legs up and down as necessary Turn them clockwise to raise and counterclockwise to lower until the dryer is not wobbling both front to back and side to side Diagonal Check When pushing down the edges of the washing machine the machine should not move up and down at all Please heck both of two directions If mach...

Page 11: ...purchased separately Condensate Drain The dryer can drain water without delivering to water container Water is directly pumped out of the dryer Improper connection of the equipment grounding conductor can result in a risk of electric shock Check with a qualified electrician or a service person if you are in doubt as to wether the dryer is properly grounded WARNING Installed Stacking kit side view ...

Page 12: ...top of washing machine With connecting kit for drain hose you can simply change water path and water reroute to the drainage facility Please follow the below steps Condensed water Drain out Moisture Sensor This device functions to sense the moisture remaining contents of the laundry during operation which means it must be cleaned all the time The main reason of cleaning this part is to remove the ...

Page 13: ...river 2 When the door is revered the hand sticker on the door also must be replaced Do not use a machine screwdriver Caution 1 Unscrew the bottom hinge of the door first and top hinge And then place on the blanket to prevent scratches 2 Remove the door lock cover 3 Remove the door lock and replace where door lock cover is 4 Detach both hinge point covers 5 Unscrew two door hinges 6 Replace both hi...

Page 14: ...ith bulb held by a hand turn the bulb to the clockwise direction with a certain amount of force 3 Separate bulb cover from the socket housing Power cord must be unplugged before this work to avoid danger of electric shock Caution 4 Remove the current bulb turning it to Counter clockwise direction Be careful that it does not fall off 5 Screw in the new bulb in the reverse unscrewing direction Do no...

Page 15: ...tance of Terminal to terminal Measure capacitance of Terminal to terminal Measure resistance of Terminal to terminal Measure resistance by pressing button When resistance becomes Resistance value 5 Ω Resistance value 10K Ω 5 at 25 C Resistance value Yellow White 28 96 1 Ω Blue White 56 29 2 Ω Resistance value 200K Ω 5 at 25 C Resistance value White Blue 24 8 2 5 Ω Blue Red 21 5 2 0 Ω Capacitance v...

Page 16: ...l COM NO 1 2 2 Door switch push Push Terminal COM NC 1 3 Terminal COM NO 1 2 Measure resistance of terminal to terminal Resistance value 1 Ω Resistance value Resistance value Resistance value 1 Ω Resistance value 80 Ω 100 Ω AC 230V 15W The state that knob is Pressed is opposite to open condition Component Test procedure Check result Remark COM NC NO ...

Page 17: ...CONTROL LAY OUT 8 17 PWB ASSEMBLY DISPLAY LAY OUT PWB ASSEMBLY LAY OUT ...

Page 18: ...WIRE COIL CAPACITOR CW WHT1 1 BL3 INLET THERMISTOR 4 3 NA4 2 1 4 3 2 1 BROWN BLACK BLACK WHITE RED L1 N TR2 TR1 ELECTRONIC CONTROL RLY2 RLY3 OUTLET THERMISTOR ELECTRODE SENSOR TH1 2 3 YL3 1 4 2 RD4 3 1 RLY4 BLUE BLACK RED YELLOW BROWN BROWN BROWN BROWN BROWN BLUE CCW ORANGE WHITE WHITE WHITE SKY BLUE WHITH ELB GRAY SKY BLUE WHITE PINK THERMAL FUSE THERMOSTAT 3 2 1 BLUE P No 3854EL4007B 1 2 2 3 1 2...

Page 19: ...nt temperature Current temperature Water level in sump 70 237 Measured Moisture Value ELE Check all LEDs for operation Motor run counterclockwise Displays Moisture Sensor Operation If moisture sensor is contacted with damp cloth The display number is below 180 in normal condition Motor run clockwise Displays Moisture Sensor Operation If moisture sensor is contacted with damp cloth The display numb...

Page 20: ...Replace the Thermistor Case 3 The Controller is troubled Repair or replace the Controller Power On NO YES YES NO NO NO NO YES YES Power Off Power button press Plugged in Start button Lock No buzzer Door is not closed display Drum Belt broken Check Filter sign glitters Water container sign Over clothes Load Motor malfunction Replace PCB Replace Belt Clean Filter and Condenser Empty Water Container ...

Page 21: ...nnector out from controller Check the range of white pin is within AC 215 245V Check connection of power cord and harness assembly Check white 1pin black 1pin of connector and secure that range is between AC 215 245V Check the short of harness assembly white and white wire and the connection WH3 Check the Circuit breaker Check or replace the controller Check or replace the power cord In the case t...

Page 22: ...oor switch hook is not broken With door closed check voltage of connector WH3 and YL3 which are pulled out from controller in advance The voltage range is between AC 215 245V Check or replace Controller Assembly Replace Harness and connector With door closed check voltage of connector WH3 and YL3 which are pulled out from controller in advance The voltage range is between AC 215 245V Check the sho...

Page 23: ...wer is on motor is rotating During operation motor noise is generated And drum and blower are not working With WH2 BL2 being unplugged from Controller WH2 BL2 resistance WH2 BL 2 resistance measurement ranges 18 Ω 26 Ω Check controller See page 15 PCB Assembly Lay out Check or replace Controller TR1 TR2 broken Check Capacitor volume See component test page See the left picture Check belt is burst ...

Page 24: ...wer cord is unplugged With WH3 RD3 disconnected from Controller WH3 RD3 resistance ranges 26 Ω 32 Ω WH3 RD3 resistance ranges 53 Ω 59 Ω When check thermostat to Heater it is less than 1 Ω Manually get Thermostat back Press button 1 Clean Condensing unit 2 Check if Lint filter is damaged or clogged Heater On Off occurs frequently Check and replace controller Relay RTY2 RTY3 See page 15 PCB assembly...

Page 25: ...n On QC test mode when Pump is on Electric noise doesn t occur Electric noise doesn t occur while pumping Measure after power is off With YL2 disconnected from Controller YL 2 YL 2 resistance ranges 205 10 Ω Check Pump sensor Check and replace Controller TR3 Disassemble Pump Check foreign objects Check impeller restriction Check connection hose clogged Check or replace pump Check Harness connectio...

Page 26: ...cording to surrounding temperature TH Drum CN1 CN1 resistance ranges table data according to surrounding temperature When measuring TH Heater Thermistor they range Table data When measuring TH Drum Thermistor they range Table data Check Harness Check and replace Controller Replace TH Heater Thermistor Replace TH Drum Thermistor 10 C 19 111kΩ 40 50 C 113 75kΩ 5 4kΩ 20 30 C 250 180kΩ 11 8kΩ 50 60 C ...

Page 27: ... condition Power cord is unplugged With CN1 RED4 disconnected from Controller CN1 CN1 resistance is unlimited With metal tape attached to Sensor tips CN1 CN1 resistance is less than 10 Ω After damp clothes touch Sensor tips the range are within the below table when QA test Check Harness Check if Sensor tips have foreign objects Refer to the left picture Check Harness Open Connector is disconnected...

Page 28: ...Disassemble top plate by unscrewing 2 screws on the rear of the dryer 2 After pulling drawer assembly out unscrew 1 screw 3 After releasing 4 hooks of control panel assembly separate connectors from PWB assembly for disassembling control panel assembly ...

Page 29: ...ER SAFETY CASE 1 1 Disassemble door assembly by unscrewing 2 screws 1 2 Disassemble lower cover by releasing hook 1 3 After releasing 2 levers disassemble safety cover 2 Disassemble 3 screws 3 Disassemble the case with a Philips driver by releasing hook ...

Page 30: ...NS 12 30 GRILLE CABINET COVER CABINET 1 Disassemble grille by releasing 3 hooks 2 Disassemble cabinet cover by releasing 9 screws 3 Disassemble cabinet by unscrewing 2 at the top and 3 at the rear left and right are the same ...

Page 31: ...31 FRAME BODY HOLDER 1 Disassemble Body frame by unscrewing 4 screws 2 Disassemble Harness by unscrewing 2 Earth screws and disassemble connectors 3 Disassemble Holder and Spring by pressing down and pulling the low hook of holder ...

Page 32: ...sure that hook is properly fit after assembling Cover Base Wrong assembly will cause abnormal noise 2 Disassemble Motor Supporter from Base by rotating after unscrewing 2 screws 3 1 Disassemble Air Guide Assembly direction of Air Guide should be same as belows Wrong assembly will cause abnormal noise Note Motor Grille ...

Page 33: ...mble Duct by unscrewing 3 Disassemble Nut by grasping the edge of left motor shaft at the same time marked 3 screws on the lower position of Duct are only used for molding parts Be careful of not using them for other holes Otherwise the holes will be exposed to water leak Note ...

Page 34: ...IONS 12 34 HOUSING HEATER 1 Disassemble Motor CAPACITOR 2 Disassemble Capacitor by unscrewing Nut 3 Disassemble Heater Housing by detaching inner Connector harness and unscrewing 4 Disassemble Heater by unscrewing 2 screws ...

Page 35: ...DISASSEMBLY INSTRUCTIONS 12 35 FRAME TOP BASE COVER FRONT 1 Disassemble Frame Top by unscrewing 4 screws Left and right are same 2 Unscrew 4 screws at the left and right 3 Unscrew 1 screw at the front ...

Page 36: ...ISASSEMBLY INSTRUCTIONS 12 36 COVER FRONT HOSE HOLDER DISPENSER 1 Disassemble Cover Front by pulling the top area out 2 Disassemble Hose from hose holder at the base 3 Disassemble Dispenser by unscrewing ...

Page 37: ...DISASSEMBLY INSTRUCTIONS 12 37 BACK COVER DRAIN PUMP 1 Disassemble Back cover from the Base by unscrewing 2 screws 2 Disassemble Drum 3 Disassemble Drain Pump by unscrewing 2 screws ...

Page 38: ...EXPLODED VIEW 13 38 A100 A110 A111 A120 A160 A114 A115 A113 A112 A130 A140 A150 NON SVC Parts SVC Parts Control Panel Top plate Assembly ...

Page 39: ...IEW 13 39 NON SVC Parts SVC Parts B101 B107 B105 B103 B104 B102 B106 B108 B100 B141 B140 B121 B136 B120 B122 B123 B130 B131 B128 B150 B142 B129 B127 B126 B125 B134 B133 B132 B160 B124 Cabinet Cover Door Assembly ...

Page 40: ...EXPLODED VIEW 13 40 C100 C120 C110 C130 C140 C160 C142 C150 C180 C170 C200 C240 C230 C210 C220 C250 C260 C270 C280 C290 C300 C190 NON SVC Parts SVC Parts Base Motor Assembly ...

Page 41: ...IEW 13 41 D152 D210 D230 D155 D200 D190 D151 D157 D140 D160 D131 D170 D180 D130 D220 D201 D153 D156 D124 D150 D100 D120 D121 JOURNAL BEARING SERVICE KIT D122 D123 NON SVC Parts SVC Parts Back Cover Drum Assembly ...

Page 42: ...EMBLY 6631EL2003B 1 THERMISTOR B123 CONNECTOR ASSEMBLY 6631EL1003B 1 B124 SERVICE PARTS 383EEL3001A 1 SLIDE FELT SEAL B125 COVER LAMP 3550EL3005A 1 B126 HOLDER 4930ER4001A 3 B127 FRAME FRONT COVER 3210EL1002A 1 B128 LAMP ASSEMBLY 6913EL3001B 1 B129 HOLDER 4930EL3017A 1 B130 SWITCH ASSEMBLY SAFETY 6601EL3001B 1 B131 GASKET 4986EL1003A 1 B132 THERMISTOR ASSEMBLY 6323EL2001C 1 B133 SCREW DRAWING 1SZZ...

Page 43: ...WING 1WZZEL3001A 1 D124 WASHER DRAWING 1WZZFR4148A 1 D130 CABINET 3090EL1001B 1 SPONGE D131 CABINET 3090EL1001A 1 D140 CAPACITOR ASSEMBLY 6121EL2001B 1 D150 COVER ASSEMBLY BACK 3551EL1003A 1 D151 HOLDER 4930EL1002A 1 D152 PACKING ASSEMBLY 3921EL1001A 1 D153 SUPPORTER TOP TABLE 4980EL2005A 1 RIGHT TURN D155 SUPPORTER TOP TABLE 4980EL2005B 1 LEFT D156 SUPPORTER HOLDER 4980EL4001A 1 D157 SCREW DRAWIN...

Page 44: ...P No 3828EL9001C JUL 2005 PRINTED IN KOREA ...

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