LG TD-C7014 series Service Manual
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LG TD-C7014 series Service Manual

LG TD-C7014 series Service Manual

Condensing dryer
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CONDENSING DRYER
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : TD-C7014** Series

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Summary of Contents for LG TD-C7014 series

  • Page 1 CONDENSING DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : TD-C7014** Series...
  • Page 2 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 3: 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.

  • Page 4: Specifications

    SPECIFICATIONS ITEMS TD-C70140E REMARK MATERIAL & FINISHES DRYING TYPE Condensation 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 MOTOR 250W HEATER...

  • Page 5: Features And Look

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

  • Page 6: Part Identification

    PART IDENTIFICATION Water container Control panel Door Condenser Cover Air ventilation grill Accessories 1.Drain Hose Assembly (Purchased Separately) 2.Stacking kit Assembly (Purchased Separately) P/No.:5001EL2001A P/No.:5001EL2001C...

  • Page 7: Program Cycle

    PROGRAM CYCLE TD-C70140E/145E Quick / Gentle Time-Adding These are functioning to shorten or lengthen the Press Time-Adding until the desired drying cycle time by increasing or decreasing time is displayed. Tap Time-Adding and the temperature. time will change by 20 minute intervals. NOTE : The Time-Adding function can be used with Timed Drying.

  • Page 8: Cycle Selection Table

    PROGRAM CYCLE Cycle Selection Table Standard Electronic Auto Dry Cycles Program Mixed-Fabric cycles (Note) press the "Gentle" 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 For fabrics which do not need to be ironed.
  • Page 9 PROGRAM CYCLE Course Quick Gentle Iron-dry Buzzer Anti-Crease Time left Cottons Very dry Cupboard dry Light dry Iron dry Mixed Fabric Very dry Cupboard dry Iron dry Timed Drying Warm 20 min. Cool Air 20 min. Special Fabric Delicate...

  • Page 10: Installation Instructions

    INSTALLATION INSTRUCTIONS Level the dryer 1. Leveling 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 leveling legs up and down as necessary.
  • Page 11 INSTALLATION INSTRUCTIONS GROUNDING INSTRUCTION Stacking Kit In order to stack this dryer on a LG washing This appliance must be grounded. In the event of machine, a stacking kit is needed. malfunction or breakdown, grounding will reduce the risk of electric shock by providing a path of least resistance for the electric current.

  • Page 12: 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 13 MAINTENANCE INSTRUCTIONS 4. Detach both Reverse the door hinge point covers. The door can be reversed to fit to your own 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 torque screwdriver or 5.
  • Page 14 MAINTENANCE INSTRUCTIONS Change the Bulb Caution ! Power cord must be unplugged before this The bulb itself could be very hot when the dryer just work to avoid danger of electric shock. finishes its operation. So before changing the bulb, be sure that the inside of the drum is cool down.

  • Page 15: 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 Thermostat button When resistance becomes 1)Open at 170°C (-10/+5°C) Resistance value < 5 Ω 2. Thermistor Measure resistance of Resistance value : Cover, Front...
  • Page 16 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 Resistance value <1 Ω Terminal : “COM ”-“NC ” condition (1-3) Terminal : “COM ”-“NO ”...

  • Page 17: Control Lay-Out

    CONTROL LAY-OUT PWB ASSEMBLY DISPLAY LAY-OUT PWB ASSEMBLY LAY-OUT...

  • Page 18: Wiring Diagram

    WIRING DIAGRAM With ELB model ELECTRIC DRYER WIRING DIAGRAM BROWN ELECTRONIC CONTROL BROWN BLACK BLACK BROWN BLACK RLY3 RLY2 WHITE BLUE RLY4 WHT3 TRANS WHT1 EARTH RLY1 BLACK LAMP CLOSE OPEN DOOR SWITCH THERMAL PROTECT PUMP PUMP ELECTRODE THERMAL THERMOSTAT SENSOR MOTOR SENSOR...

  • Page 19: Troubleshooting

    TROUBLESHOOTING 1. This TEST should be used for Factory test/Service test. Do not use this DIAGNOSTICTEST other than specified. 2. Activating the Heater manually with Door open may trp the Thermostat attached to the Heater, therefore do not activate it manually, (Do not press the door switch to operate the heater while the door is open) Activating the diagnostic test mode 1.

  • Page 20: 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. Case 2.

  • Page 21: 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 22 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 if they are working while being connected to power supply. Check door switch When door is opened, lamp movement.
  • Page 23 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 24 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 25 DIAGOSTIC TEST Test 5 Pump check Trouble Symptom : Check if pump is out of order. "Empty water" Error signals. Measurement condition : Power cord is unplugged. • Disassemble Pump (Measure with power on) - Check foreign objects On QC test mode, when Pump - Check impeller is on, restriction...
  • Page 26 DIAGOSTIC TEST Test 6 Thermistor check Trouble Symptom : Poor drying performance (over-drying or no drying). Abnormal thermistor operation. Measurement condition : Power cord is unplugged. With CN1(RED4), CN4(WH4)disconnected GN1(RD4) GN4(WH4) from Controller, check TH-Heater - CN4 resistance ranges table •...
  • Page 27 DIAGOSTIC TEST Test 6 Thermistor check Trouble Symptom : Drying Failure Measurement condition : Power cord is unplugged. GN1(RD4) • Check Harness With CN1(RED4) • Check if Sensor tips disconnected from Controller, have foreign objects -CN1 resistance is - Refer to the left picture unlimited? Metal Wire •...

  • Page 28: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Disassemble top plate by unscrewing 2 TOP PLATE screws on the rear of the dryer. 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 29 DISASSEMBLY 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 30 DISASSEMBLY 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 31 DISASSEMBLY 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 32 DISASSEMBLY 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 33 DISASSEMBLY 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 34 DISASSEMBLY INSTRUCTIONS 1. Disassemble Motor. 2. Disassemble Capacitor by unscrewing Nut. CAPACITOR 3. Disassemble Heater Housing by detaching inner Connector harness and HOUSING unscrewing. 4. Disassemble Heater by unscrewing 2 screws. HEATER...
  • Page 35 DISASSEMBLY 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 36 DISASSEMBLY 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 37 DISASSEMBLY 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 38: 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 39 EXPLODED VIEW Cabinet Cover & Door Assembly : NON SVC Parts B100 : SVC Parts B108 B103 B104 B106 B102 B107 B101 B105 B126 B125 B127 B128 B129 B130 B133 B131 B124 B134 B140 B141 B123 B150 B122 B120 B136 B132 B121 B160...
  • Page 40 EXPLODED VIEW Base & Motor Assembly : NON SVC Parts C270 : SVC Parts C280 C290 C300 C260 C250 C130 C150 C142 C160 C140 C110 C120 C230 C240 C100 C220 C210 C200 C190 C180 C170...
  • Page 41 EXPLODED VIEW Back Cover & Drum Assembly : NON SVC Parts D123 : SVC Parts D122 D120 D100 JOURNAL BEARING SERVICE KIT D121 D201 D200 D150 D155 D153 D230 D124 D156 D220 D180 D190 D210 D130 D170 D160 D152 D151 D157 D140 D131...

  • Page 42: Replacement Parts List

    REPLACEMENT PARTS LIST CAUTION : Before replacing any part of these components read carefully the safety precautions in this manual Nate : S (Safety Parts), AL (Alternative Parts) LG MODEL : TD-C70140E DESC TD-C70140E REMARKS A100 TOP PLATE ASSEMBLY 3301ER1001F...
  • Page 43 REPLACEMENT PARTS LIST CAUTION : Before replacing any part of these components read carefully the safety precautions in this manual Nate : S (Safety Parts), AL (Alternative Parts) LG MODEL : TD-C70140E DESC TD-C70140E REMARKS C170 NUT, DRAWING 1NZZEL4002B LEFT TURN...
  • Page 44 JUL. 2005 PRINTED IN KOREA P/No.:3828EL9001C...

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