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LG RC9011 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 : RC9011** / RC8011** Series

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  Summary of Contents for LG RC9011 Series

  • Page 1 CONDENSING DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : RC9011** / RC8011** Series...
  • Page 2 P/No.: 3828EL9001K JUL. 2008 PRINTED IN KOREA...
  • 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 .................... 14 8.CONTROL LAY-OUT ......................16 9.WIRING DIAGRAM ......................17 10. TROUBLESHOOTING ....................18 11.
  • Page 5: Specifications

    SPECIFICATIONS ITEMS RC8011** RC9011** REMARK MATERIAL & FINISHES DRYING TYPE Condenstation Condenstation WEIGHT 45 kg (Gross : 50 kg) 45 kg (Gross : 50 kg) 595(W) x 850(H) x 600(D) 595(W) x 850(H) x 600(D) DIMENSION STANDARD DRYING CAPACITY 8.0 kg 9.0 kg CONTROL TYPE Electronic Control...
  • Page 6: Features And Look

    FEATURES AND LOOK Ultra big Capacity Drum LG Dryer has 9.0kg / 8.0kg capacity which is the ultra big capacity. Lower Energy Consumption Energy Energy is saved by cutting-edge engineering design of drying system and by optimized heating control. It’s a real money saving.
  • Page 7: Part Identification

    PART IDENTIFICATION RC9011A1/B1/C1, RC8011A1/B1/C1 Water Container Control Panel Glass Door Condenser Cover Air Ventilation Grill Accessory parts 1. Drain Hose Assembly 2. Dryer Rack Assembly P/No. : 5001EL2001A P/No. : 3751EL1002C 3. Stacking kit Assembly ( Purchased Seperately) Holder : 2EA, Screw : 4EA Holder : 2EA, Screw : 4EA Purchased Separately Purchased Separately...
  • Page 8: Program Cycle

    PROGRAM CYCLE Time Delay More Time/Less Time You can use the Time Delay function to delay the Press More Time or Less Time until the desired finishing time of drying cycle. drying time is set. Maximum Time Delay is 19 hours. Note Minimum Time Delay is 3 hours.
  • Page 9: Cycle Selection Table

    PROGRAM CYCLE Cycle Selection Table Standard Electronic Auto Dry Cycles program Cotton (Whites and coloreds) (Note) Select the gentle by pressing the option button for heat-sensitive items Towels, dressing gowns Extra Dry For thick and quilted fabrics and bed linen Terry towels, tea towels, towels, Very Dry For thick and quilted fabrics which do not need to be ironed...
  • Page 10 PROGRAM CYCLE Course More time Time Anti Damp Dry Crease Hand crease Left Time Gentle Buzzer Favourite Delay beep care Iron Course Detail Less time Extra Very Cotton Cupboard Light Iron Very Mixed Cupboard Fabrics Iron Quick Cool Air Timed Drying Warm Delicate...
  • Page 11: 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 12: Condensate Drain

    3. After detaching protection sheet of double- Stacking Kit side tape, align stacking kit holes rear cover In order to stack this dryer on LG Washing holes and then attach tape to the washer by machine, you must purchase the LG pressing hard.
  • Page 13: Maintenance Instructions

    MAINTENANCE INSTRUCTIONS Front Ventilation Grille 3. Connect drain hose Vacuum the front ventilation grill 3~4 time a year to to the kit. make sure there must be no build-up of lints or dirts which cause improper intake air flow. Moisture Sensor? This device functions to sense the moisture remaining contents of the laundry during operation which means it must be cleaned all...
  • Page 14 MAINTENANCE INSTRUCTIONS CAUTION • Power cord must be unplugged before this work to avoid danger of electric shock. • The bulb itself could be very hot when the dryer just 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 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 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 condition Terminal : “COM”- “NC” Resistance value < 1Ω (1-3) Terminal : “COM”- “NO”...
  • Page 17: Control Lay-Out

    CONTROL LAY-OUT PWB ASSEMBLY DISPLAY LAY-OUT OPTION PART MODEL P/NO RC8011* EBR50559201 RC9011* RC8011** EBR50559202 RC9011** O : Option diode(DP) applied X : Option diode(DP) not-applied PWB ASSEMBLY LAY-OUT...
  • Page 18: Wiring Diagram

    WIRING DIAGRAM...
  • 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 22 page) : splay thermistor symptom. • Display Symptom tE 1 Low temperature thermistor open tE 2 Low temperature thermistor short...
  • Page 21 TROUBLESHOOTING Power-On Power button press Led-Segment Plugged in Power button Lock:No buzzer Drum not Roating Circuit breaker Start button Lock: trip : No buzzer (Rotating) Low voltage Door Open? See the Page 24 Door is not closed Low temperature check list ("...
  • 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 if they are working while being connected to power supply.
  • Page 24 DIAGOSTIC TEST Test 3 Motor check Trouble Symptom : Motor malfunction, Occurrence of the “Clean filter” repeatedly Measurement condition : • Power cord is unpluged. • Door is closed. • Check the user condition. - Put over load into drum? - Normally Input Voltage and Hertz? •...
  • Page 25 DIAGOSTIC TEST Trouble Symptom : Motor malfunction, ventilation error Test 4 Heater check Trouble Symptom : Heater is not working. Drying failure. The designated temperature is not reached. Measurement condition : Power cord is unplugged. RLY2 RLY1 With Tab relay housing •...
  • Page 26 DIAGOSTIC TEST Test 5 Pump check Trouble Symptom : Check if pump is out of order. " Empty water" signals. Measurement condition : Power cord is unplugged. Check the hose blocked with foreign body or twist. (Measure with power on) •...
  • Page 27 DIAGOSTIC TEST Test 6 Thermister check Trouble Symptom : Poor drying performance(over-drying or no drying). Abnormal thermistor operation. Measurement condition : Power cord is unplugged. • Check and replace With RED 4 , WHITE 6 disconnected from Controller. Controller, check 1) Check disconnected 1) High temperature thermistor ( Wire color : Housing or severed...
  • Page 28 DIAGOSTIC TEST Test 6 Moisture sensor check Trouble Symptom : Drying Failure Measurement condition : Power cord is unplugged. • Check Harness With RD4 disconnected from • Check if Sensor tips Controller, RD4 - RD4 have foreign objects resistance is - Refer to the left picture unlimited? Metal Wire...
  • Page 29: Diassemble Instructions

    DIASSEMBLY INSTRUCTIONS 1. Disassemble top plate by unscrewing 2 TOP PLATE screws on the rear of the dryer. 2. After pulling drawer assembly out and DRAWER unscrew 2 screws. 3. Disassemble control panel by unscrewing 2 screws on the Rear of the panel frame.
  • Page 30 DIASSEMBLY INSTRUCTIONS 4. Disassemble the lower cover by pulling to the front. DRAWER 5. Disassemble cabinet by unscrewing 2 at the top and 3 at the rear (Left and right are the same). CABINET 6. Disassemble panel frame by unscrewing PANEL FRAME 4 at the front.
  • Page 31 DIASSEMBLY INSTRUCTIONS 7-1. Disassemle the door by releasing the 2 screws. 7-2. Disassemble the door switch. 7-3. Disassemble the cabinet cover by releasing the 10 screws. 7-4. Disassemble the Door Switch. 7-5. Disassemble the cover, cabinet. DOOR CABINET COVER DOOR SWITCH 8-1.
  • Page 32 DIASSEMBLY INSTRUCTIONS 10. Disassembling the side frame by releasing 4 screws 11. Disassemble the housing of motor, heater, pump and capacitor. CAPACITOR PUMP HOUSING MOTOR HOUSING 12-1. Disassemble the hose. DISPENSER 12-2. Disassemble the Holder from cover, rear. 12-3. Disassemble the hose.
  • Page 33 DIASSEMBLY INSTRUCTIONS 13-1. Disassemble the duct by releasing the 7 screws. 13-2. Release the durum nut using tool. 13-3. Disassemble the air guide by releasing the 1 screw. AIR GUIDE DUCT 14-1. Disassemble the COVER REAR by releasing the 2 screws. 14-2.
  • Page 34: Exploded View

    EXPLODED VIEW Control Panel & Top plate Assembly A100 A110 A113 A111 A160 A112 A120 A150 A130 A140...
  • Page 35 EXPLODED VIEW Cabinet Cover & Door Assembly Transparent door B103 B100 B107 B106 B102 B101 B124 B127 B121 B122 B140 B130 B150 B125 B120...
  • Page 36 EXPLODED VIEW Base & Motor Assembly C310 C320 C290 C330 C250 C130 C165 C160 C142 C300 C140 C150 C110 C120 C100 C230 C240 C210 C230 C200 C180...
  • Page 37 EXPLODED VIEW Back Cover & Drum Assembly D122 D120 D100 D110 D121 D150 D180 D156 D210 D170 D200 D130 D152 D151 D157 D140...

This manual is also suitable for:

Rc8011 series