LG TD-C70040E Service Manual
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LG TD-C70040E Service Manual

LG TD-C70040E Service Manual

Td-c7004** series condensing dryer
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CONDENSING DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : TD-C7004** Series
1

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Summary of Contents for LG TD-C70040E

  • Page 1 CONDENSING DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : TD-C7004** Series...
  • Page 2 APR. 2004 PRINTED IN KOREA P/No.:3828EL9001A...
  • Page 3 IMPORTANT SAFETY NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 4: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ........................4 2. FEATURES AND LOOK ......................5 3. PART 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.

  • Page 5: Specifications

    SPECIFICATIONS ITEMS TD-C70040E REMARK MATERIAL & FINISHES DRYING TYPE Condenstation WEIGHT 40 kg (Gross : 46 kg) DIMENSION 595(W) x 850(H) x 600(D) STANDARD DRYING CAPACITY 7.0 kg CONTROL TYPE Electronic Control POWER SUPPLY AC 220~230V, 50Hz (16A) LGEUK:13A, LGEAP:10A...

  • Page 6: Features And Look

    FEATURES AND LOOK Ultra big Capacity Drum IntelloDryer has 7.0kg capacity which is the ultra big capacity. Lower Energy Consumption Energy Energy is saved by Sirocco & Radial fan. Reduced drying time Drying time is shortened by efficient air flow mechanism and save optimized heater.

  • Page 7: Part Identification

    PART IDENTIFICATION Drawer Panel, Control (Water container) Door Cover, Lower Grille Accessories 1. Drain Hose Assembly 2. Dryer Rack Assembly P/No. : 5001EL2001A P/No. : 3751EL1002B 3. Stacking kit Assembly ( Purchased Seperately) P/No. : 5001EL2001C...

  • Page 8: Program Cycle

    PROGRAM CYCLE High Temp. / Low Temp. Favourite These are functioning to shorten or lengthen If there is some cycle you would like to make the cycle time by increasing or decreasing based on your own drying habit, use “Favourite”. Once favourite cycle is stored, you can repeatedly temperature.

  • Page 9: Cycle Selection Table

    PROGRAM CYCLE Cycle Selection Table Standard Electronic Auto Dry Cycles Program Mixed-Fabric cycles Note: press the "Low temp." button for heat-sensitive items Bed linen and table linen, tracksuits, For thick and quilted fabrics which do not need to be ironed. Very Dry anorak, blankets shirts, blouses and sportswear...
  • Page 10 PROGRAM CYCLE High Temp. Low Temp. Buzzer Off Anti-Crease Time left Course Cottons Extra dry Very dry Cupboard dry Light dry Iron dry Maching Iron dry Mixed Fabric Extra dry Cupboard dry Iron dry Timer 20 min. 40 min. Cool-Air Rack Special Wool...

  • Page 11: Installation Instructions

    INSTALLATION INSTRUCTIONS Level the dryer 1. Levelling the dryer is to prevent undesirable noise and vibration. When placing your dryer in an solid and level area where water is not dripping and freezing, flammable materials are not stored. 2. If the dryer is not properly level, adjust the front levelling legs up and down as necessary.
  • Page 12 GROUNDING INSTRUCTION Stacking Kit This appliance must be grounded. In the event of In order to stack this dryer on a LG washing malfunction or breakdown, grounding will reduce machine, a stacking kit is needed. the risk of electric shock by providing a path of least resistance for the electric current.

  • Page 13: Maintenance Instructions

    MAINTENANCE INSTRUCTIONS Front Ventilation Grille Moisture Sensor? Vacuum the front ventilation grill 3~4 time a year to This device functions to sense the moisture make sure there must be no build-up of lints or dirts remaining contents of the laundry during operation which cause improper intake air flow.
  • Page 14 MAINTENANCE INSTRUCTIONS Reverse the door 4. Detach both hinge point The door can be reversed to fit to your own covers. installation conditions. From the factory, the door hinge is located on the right side. Caution ! 1. This work may cause the injury of your hands so you must be careful to handle some sharp devices like tork screwdriver or 5.
  • Page 15 MAINTENANCE INSTRUCTIONS Change the Bulb Caution ! The bulb itself could be very hot when the dryer just Power cord must be unplugged before this finishes its operation. So before changing the bulb, work to avoid danger of electric shock. be sure that the inside of the drum is cool down.

  • Page 16: Component Testing Tips

    COMPONENT TESTING TIPS Component Test procedure Check result Remark 1. Thermostat Measure resistance of Measure resistance by pressing Safety (Manual type) Terminal to terminal button When resistance becomes ∞ Thermostat 1) Open at 170°C (-10/+5°C) Resistance value < 5Ω 2. Thermistor Cover, Front Measure resistance of Resistance value :...
  • Page 17 COMPONENT TESTING TIPS Component Test procedure Check result Remark 7. Door S/W Measure resistance of the The state that Following terminal knob is Pressed is 1) Door switch knob : open opposite to open condition Terminal : “COM”- “NC” Resistance value < 1Ω (1-3) Terminal : “COM”- “NO”...

  • Page 18: Control Lay-Out

    CONTROL LAY-OUT PWB ASSEMBLY DISPLAY LAY-OUT Option Part Option Part OPTION PART SEGMENT DISPLAY MODEL P/NO TD-C70040E 6871EC1114* 18:88 PWB ASSEMBLY LAY-OUT...

  • Page 19: Wiring Diagram

    WIRING DIAGRAM Without ELB model With ELB model ELECTRIC DRYER WIRING DIAGRAM...

  • Page 20: Troubleshooting

    2. Press “ POWER” while pressing “Buzzer” and “Anti-crease” simultaneously. Pressing the CHECKING CHECKING DISPLAY REMARK “START/PAUSE”button ACTION POINTS Model Model Display Check all leds for operation. Europe 18:83 TD-C70040E/41E/45E TD-C70040E/45E England 18:84 Electric control None Europe 18:85 TD-C70042E/46E TD-C70042E/46E England 18:86 18:83~18:87 Australia 18:87 TD-C70040E/45E Motor run counterclockwise.

  • Page 21: Error Mode

    TROUBLESHOOTING Error Mode • : LED displays “ ” in case of the door open. The door must be closed and start Button must be pressed for re-operation. (See the 22page) • Case 1. When black out or irregular current occurs. - After removing ELB Connector, operate full time 1Cycle.

  • Page 22: Diagostic Test

    DIAGOSTIC TEST Test 1 : ELECTRIC SUPPLY & CONTROL CHECK Trouble Symptom : No power to the dryer or the controller Measurement condition : Power is on. [Caution] Electric shock. Please test after grounding check. Power voltage is within • Check the standard range - Circuit breaker (AC 215V~245V)?
  • Page 23 DIAGOSTIC TEST Test 2 DOOR SWITCH / LAMP CHECK Trouble Symptom : Malfunction of lamp operation and door switch No operation of pump motor Displays “ “ in case of the door closed. The door must be closed and start. Measurement condition : Check door switch When door is opened, lamp...
  • Page 24 DIAGOSTIC TEST Test 3 Motor check Trouble Symptom : Motor malfunction, ventilation error Measurement condition : • Power cord is unplugged. • Door is closed. • Pre-Check door switch (If door switch has contact problem, pump motor is not working.) •...
  • Page 25 DIAGOSTIC TEST Test 4 Heater check Trouble Symptom : Motor malfunction, ventilation error Trouble Symptom : Heater is not working. Drying failure. The designated temperature is not reached. Measurement condition : Power cord is unplugged. With WH3,RD3 disconnected • Check and replace from Controller, controller.
  • Page 26 DIAGOSTIC TEST Test 5 Pump check Trouble Symptom : Check if pump is out of order. " Empty water" Error signals. Measurement condition : (Measure with power on) • Disassemble Pump On QC test mode, when Pump - Check foreign objects is on, - Check impeller Electric noise doesn’t occur...
  • Page 27 DIAGOSTIC TEST Test 6 Thermister check Trouble Symptom : Poor drying performance(over-drying or no drying). Abnormal thermistor operation. Measurement condition : • Check and replace GN1(RD4) GN4(WH4) With CN1(RED4), CN4(WH4) disconnected Controller from Controller, check TH-Heater - CN4 resistance ranges table data according to surrounding temperature? TH-Drum - CN1...
  • Page 28 DIAGOSTIC TEST Test 6 Moisture sensor check Trouble Symptom : Drying Failure Measurement condition : Power cord is unplugged. • Check Harness With CN1(RED4) GN1(RD4) • Check if Sensor tips disconnected from Controller, have foreign objects - CN1 resistance is - Refer to the left picture unlimited? Metal Wire...

  • Page 29: Diassemble Instructions

    DIASSEMBLY INSTRUCTIONS 1. Disassemble top plate by unscrewing 2 screws on the rear of the dryer. TOP PLATE 2. After pulling drawer assembly out, unscrew 1 screw. DRAWER 3. After releasing 4 hooks of control panel assembly, separate connectors from PWB assembly for disassembling control panel assembly.
  • Page 30 DIASSEMBLY INSTRUCTIONS 1-1. Disassemble door assembly by . DOOR unscrewing 2 screws. 1-2. Disassemble lower cover by releasing hook. 1-3. After releasing 2 levers, disassemble safety cover. . COVER, LOWER . COVER, SAFETY 2. Disassemble 3 screws. CASE 3.Disassemble the case with a Philips driver by releasing hook.
  • Page 31 DIASSEMBLY INSTRUCTIONS 1. Disassemble grille by releasing 3 hooks. GRILLE 2. Disassemble cabinet cover by releasing 9 screws. CABINET COVER 3. Disassemble cabinet by unscrewing 2 at the top and 3 at the rear (left and right are the same) CABINET...
  • Page 32 DIASSEMBLY INSTRUCTIONS 1. Disassemble Body frame by unscrewing 4 screws. FRAME, BODY 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. HOLDER...
  • Page 33 DIASSEMBLY INSTRUCTIONS 1. Disassemble Blower cover by unscrewing 2 screws. (Note : Make sure that hook is properly COVER BASE fit after assembling Cover Base Wrong assembly will cause abnormal HOOK noise.) 2. Disassemble Motor Supporter from Base by rotating after unscrewing 2 screws.
  • Page 34 DIASSEMBLY INSTRUCTIONS 1. Disassemble Harness of Motor 2. Disassemble Duct by unscrewing. Note ! "*" marked 3 screws on the lower position of Duct are only used for molding parts. DUCT Be careful of not using them for other holes. Otherwise, the holes will be exposed to water leak.
  • Page 35 DIASSEMBLY INSTRUCTIONS 1. Disassemble Motor. 2. Disassemble Capacitor by unscrewing Nut. CAPACITOR 3. Disassemble Heater Housing by HOUSING detaching inner Connector harness and unscrewing. 4. Disassemble Heater by unscrewing 2 screws. HEATER...
  • Page 36 DIASSEMBLY INSTRUCTIONS 1. Disassemble Frame Top by unscrewing 4 screws. (Left and right are same) FRAME 2. Unscrew 4 screws at the left and right. BASE 3. Unscrew 1 screw at the front. COVER, FRONT...
  • Page 37 DIASSEMBLY INSTRUCTIONS 1. Disassemble Cover Front by pulling the top area out. COVER FRONT 2. Disassemble Hose from hose holder at the base. HOSE HOLDER 3. Disassemble Dispenser by unscrewing. DISPENSER...
  • Page 38 DIASSEMBLY INSTRUCTIONS 1. Disassemble Back cover from the Base by unscrewing 2 screws. BACK COVER 2. Disassemble Drum 3. Disassemble Drain Pump by unscrewing 2 screws. DRAIN PUMP...

  • Page 39: Exploded View

    EXPLODED VIEW Control Panel & Top plate Assembly : NON SVC Parts : SVC Parts A110 A100 A114 A115 A160 A113 A111 A150 A112 A120 A130 A140...
  • Page 40 EXPLODED VIEW Cabinet Cover & Door Assembly : NON SVC Parts B100 : SVC Parts B103 B104 B106 B102 B101 B105 B126 B125 B127 B128 B129 B130 B133 B131 B124 B134 B140 B141 B123 B150 B122 B120 B136 B132 B121 B160 B142...
  • Page 41 EXPLODED VIEW Base & Motor Assembly : NON SVC Parts : SVC Parts C310 C270 C280 C290 C300 C260 C250 C141 C130 C160 C142 C150 C140 C110 C120 C230 C240 C100 C220 C210 C200 C190 C191 C180 C170...
  • Page 42 EXPLODED VIEW Back Cover & Drum Assembly : NON SVC Parts : SVC Parts D123 D122 D120 D100 D110 JOURNAL BEARING SERVICE KIT D121 D201 D200 D150 D155 D154 D153 D230 D156 D220 D180 D190 D210 D131 D170 D160 D152 D151 D157 D140...
  • Page 43 REPLACEMENT PARTS LIST GASKET...
  • Page 44 REPLACEMENT PARTS LIST...

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