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LG WD14030RD Service Manual

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WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD14030RD
website :
http://biz.lgservice.com
e-mail : http://LGEservice.com/techsup.html

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  • Page 1 All manuals and user guides at all-guides.com website : http://biz.lgservice.com e-mail : http://LGEservice.com/techsup.html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE. MODEL : WD14030RD...
  • Page 2 All manuals and user guides at all-guides.com P/No.: MFL30574766...

  • Page 3: Specification

    All manuals and user guides at all-guides.com 1. SPECIFICATION ITEM WD14030RD POWER SUPPLY 240V~, 50Hz PRODUCT WEIGHT 72kg WASHING 140W SPIN 440W ELECTRICITY DRAIN MOTOR 1100W CONSUMPTION STEAM HEATER 2000W WASH HEATER DRY HEATER 1500W WASH 50rpm REVOLUTION SPEED SPIN...

  • Page 4: Features & Technical Explanation

    All manuals and user guides at all-guides.com 2. FEATURES & TECHNICAL EXPLANATION 2-1. FEATURES Direct Drive System The advanced Brushless DC motor directly drives the drum without belt and pulley. Water Circulation Spray detergent solution and water over the load over continu. Clothes are soaked more quickly and thoroughly during wash cycle.

  • Page 5: Water Level Control

    All manuals and user guides at all-guides.com 2-2. DETERMINE WASHING TIME BY FUZZY LOGIC To get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount. water temperature washing time the best selected FUZZY washing...

  • Page 6: Parts Identification

    All manuals and user guides at all-guides.com 3. PARTS IDENTIFICATION Shipping Bolts Power Pulg If the supply cord is damaged, it must be replaced by the manufacturer or its authorized Drawer service technician in order to avoid a hazard. Control Panel Drum Door Drain Hose...

  • Page 7: Installation

    All manuals and user guides at all-guides.com 4. INSTALLATION INSTALLATION The appliance should be installed as follows. Check the conditions of installation area. 1. Check level ground. horizontal On raised foundations or upper level homes, the vibrations can be caused by the type of flooring. It may be necessary to move machine...
  • Page 8 All manuals and user guides at all-guides.com Use spanner to remove transit bolts. Without removal of transit bolts Spin noise and shaking. X 4 EA Transit bolts Confirm the distance between the appliance and the wall. If the distance is less than 2cm, More than 2cm the water supply hose will kink...

  • Page 9: Connect Drain Hose

    All manuals and user guides at all-guides.com Connect Drain Hose. If the drain hose is not installed properly, the unit will not drain properly. This allows water to back flow into the unit which can cause odors. Refer to Owner Manual for proper drain hose installation. The odor could also be coming from the home’s drain to which the drain hose is attached.
  • Page 10 All manuals and user guides at all-guides.com Check the horizontality with a level (Gage). 1 Step If washing machine legs are loose or not screwed, then screw up with the spanner wrench. Using the level, level the washing machine from front to back and side to side. A level Higher Tighten...

  • Page 11: Test Operation

    All manuals and user guides at all-guides.com Test operation Preparation Press the power button. Press the START/PAUSE button. washing. · Connect the power plug to the · In case of Coloreds program. outlet. · Connect the inlet hose. Check the water heating. Check automatic reverse turn.

  • Page 12: Operation

    All manuals and user guides at all-guides.com 5. OPERATION Cycle Selector Additional programs • Rotate the Cycle selector • Time Delay : Allows the start of any cycle to be knob to select the cycle delayed for 3~19 hours. designed for different •...
  • Page 13 All manuals and user guides at all-guides.com Dry Selector knob • Dry programs selected by rotating dry knob. • [Lower Temp. - Iron Dry - Cupboard Dry - Eco Dry - Time(30,60,120)] can be selected. Tub Clean • Tub Clean course can be set by pressing and holding Intensive and Pre Wash button simultaneously.

  • Page 14: Wiring Diagram / Pcb Layout / Program Chart

    All manuals and user guides at all-guides.com 6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART...
  • Page 15 All manuals and user guides at all-guides.com PCB Layout (Main) Pressure Switch LCD Display LCD Display PCB Power & AQUA LCD Display LCD Display AG Sensor & Measure R impossible here. Thermistor Just check cut-off. Measure Hz impossible Here. Long Just check cut-off.
  • Page 16 All manuals and user guides at all-guides.com PCB Layout (Power) Common Wash Power Cord Noise Filter Wash Resistance : 24.5 ~ 28.5 Ω Only For Dry Combo...

  • Page 17: Program Chart

    All manuals and user guides at all-guides.com Program Chart...

  • Page 18: Troubleshooting

    All manuals and user guides at all-guides.com 7. TROUBLESHOOTING 7-1. BEFORE SVC CHECKING Before servicing ask the customer what the trouble is. Check the adjustments. (Power supply : 240V~, Removal of transit bolts etc..) Check the troubles referring to the troubleshooting. Decide service steps referring to disassembly instructions.

  • Page 19: How To Check The Water Level Frequency

    All manuals and user guides at all-guides.com 7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY Press the Intensive Option(Left) button simultaneously. The digits means water level frequency. (10 kHz) ex) 241 : Water level frequency = 241 x 10 24.1 kHz 7-4.

  • Page 20: Error Display

    All manuals and user guides at all-guides.com 7-5. ERROR DISPLAY If you press the Start/Pause button in error condition, any error except will disappear and the machine will change into the pause status. In case of , if the error is not resolved within 20 sec., and in case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error only will be blinked.

  • Page 21: Troubleshooting With Error

    All manuals and user guides at all-guides.com 7-6. TROUBLESHOOTING WITH ERROR Water Inlet Error (IE) [Note] Environmental safety check list 1. No water tap leakage & freeze. 2. No entanglement of water supply hose. 3. No water shortage. 4. No water supply hose leakage. 5.
  • Page 22 All manuals and user guides at all-guides.com Unbalanced Error (UE) The few items of clothing will clump together Does the load lean toward one and their weight will be in one place on the drum, side, or is the load a few items? throwing the weight off during spin mode.
  • Page 23 All manuals and user guides at all-guides.com Water Outlet Error (OE) Check drain hose for kink and straighten the Hose. Is the drain hose kinked ? Drain Hose Check & Clean Pump Filter. Is the Pump filter clogged ? This kind of accumulation on the drain filter not only prevents proper drainage, but also will promote bacteria growth and cause odors.
  • Page 24 All manuals and user guides at all-guides.com Is the Standpipe Height greater Observe Standpipe Height requirements than 1.0 m above the floor? of 1.0m maximum. - Your washer will not be able to drain out water adequately, if the standpipe exceeds 1.0 m. In this case, water may flow back into the washer.
  • Page 25 All manuals and user guides at all-guides.com Over Flow Error (FE) Replace the Inlet Valve assembly. Is the water coming in drawer continuously? After power off for 10 sec. and power on. Does the water level over reference line and Is the water level frequency 26.2Khz ? Or does the water level over reference line and is the water level frequency 26.2Khz ?
  • Page 26 All manuals and user guides at all-guides.com Pressure Sensor S/W Error (PE) Is the Connector connected correctly to Reconnect or repair the Connector. Main PCB and the Pressure Switch Or replace the Harness. Or is the Harness alright ? Is the resistance of the Pressure Switch Replace the Pressure...
  • Page 27 All manuals and user guides at all-guides.com Door Open Error (dE) Close the door totally. Is the door closed? Is the Door assembly in line with door Lift up & Close the door. switch ? If the dE is displayed, Replace the Door Bracket.
  • Page 28 All manuals and user guides at all-guides.com Thermistor (Heating) Error (tE) Is the Connector connected correctly to Reconnect or repair the Connector. Main PCB and the Thermistor and the Heater? Or replace the Harness. Or is the Harness alright ? Heater for Washing Heater for Steam Replace the Thermistor.
  • Page 29 All manuals and user guides at all-guides.com Motor Locked Error (LE) [Pre Check] • Gentle wash cycles, such as Perm Press, Delicates, Hand Wash, and Wool/Silk should only be used for smaller loads. Because these cycles are more gentle in tumbling and spinning, putting too much in the drum can register an issue with the motor.
  • Page 30 All manuals and user guides at all-guides.com Disassemble the Hall Sensor 1) Disassemble the hook of Hall Sensor by (-) driver. 2) Pull up Hall Sensor slowly as shown in picture. Caution If you disassemble by force,not following the directions, the hooks of stator(red circled) might broke up.
  • Page 31 All manuals and user guides at all-guides.com Dry Heater Error (dHE) Is the Connector connected correctly to Reconnect or repair the Connector. Main PCB and the Dry Heater Motor? Or replace the Harness. Or is the Harness alright? Is the resistance of the Thermistor out of range Replace the Thermistor.

  • Page 32: Dry Heater Trouble

    All manuals and user guides at all-guides.com Dry Heater Trouble After power off, is the resistance of Dry Heater out of Replace the Heater. range 33~37Ω? Thermostat closed ? Replace the Thermostat. When checking voltage between connectors(1,2) Replace the PWB assembly (main).

  • Page 33: Dry Fan Motor Trouble

    All manuals and user guides at all-guides.com Dry Fan Motor Trouble Is the Connector connected correctly to Reconnect or repair the Connector. Main PCB and the Dry Heater Fan Motor Or replace the Harness. Or is the Harness alright? Are the resistance same between terminal points? Replace the...

  • Page 34: Troubleshooting Without Error Codes

    All manuals and user guides at all-guides.com 8. TROUBLESHOOTING WITHOUT ERROR CODES No Power Is the Power Plug connected Reconnect Power Plug firmly. firmly to the power outlet? Check the fuse or And is the supply voltage reset the circuit breaker. 220~240V AC? Is Multi-plug socket used ? Don’t use...
  • Page 35 All manuals and user guides at all-guides.com Vibration & Noise In Spin Have all the Transit Bolts and the Base Packing Remove the Transit Bolts been removed? Base Packing. Washer Base Packing Packing Support Refer to INSTALLATION. (Page 7)

  • Page 36: Detergent & Softener Does Not Flow In

    All manuals and user guides at all-guides.com Detergent & Softener does not flow in Is water supplied? Refer to [Water Inlet Error (IE)] (page 21) Is detergent & softener put in the correct compartment of the drawer? Only softener Put it in the Correct Position.

  • Page 37: Water Leak

    All manuals and user guides at all-guides.com Water Leak 1. Water Leak from Dispenser Is the Dispenser Tray Damaged or warped? Replace the Dispenser Tray. Is detergent & softener put in Put it in the Correct Position. the correct compartment of the drawer? Only softener Reference (Amount of Detergent &...
  • Page 38 All manuals and user guides at all-guides.com 2. Water Leak from Dispenser Are the gasket (seal) Clean the periphery of Gasket Door regularly. and door cleaned regularly? Is the door or gasket damaged? Replace the damaged parts. 3. Unknown – Water on Floor Are the inlet hoses loose or cracked/split? Replace the Inlet...

  • Page 39: Control Panel

    All manuals and user guides at all-guides.com 9. DISASSEMBLY INSTRUCTIONS Disassemble and repair the parts after pulling out power cord from the outlet. CONTROL PANEL 1 Unscrew the screws on the top plate. 2 The plate assembly(Top) is pulled back and then upward to arrow direction.

  • Page 40: Dispenser Assembly

    All manuals and user guides at all-guides.com PWB ASSEMBLY(MAIN) 1 The back cover is removed. 2 One screw is unscrewed. 3 Pull the PWB assembly(Main) to arrow direction 4 Two screws is unscrewed. 5 The cover of PWB assembly(Main) is removed.
  • Page 41 All manuals and user guides at all-guides.com INLET VALVE 1 Disconnect the wiring connector. 2 Remove the valve by two screws of the valve holder. When reconnecting the connector VALVE (PRE) GY/WH - BK VALVE (MAIN) WH/BK - BK VALVE (DRY) YL/BK - BK VALVE...
  • Page 42 All manuals and user guides at all-guides.com CABINET COVER 1 The plate assembly(Top) is disassembled. 2 Pull out the drawer and unscrew 2 screws. 3 Lift the side the Control Panel Assembly and pull it out 1 Two screws is unscrewed. 2 Push out PANEL ASSEMBLY, CONTROL after Push the hook( ) below.
  • Page 43 All manuals and user guides at all-guides.com 1 Lift and separate the cabinet cover. NOTE: When assembling the CABINET COVER, connect the Door S/W connector. SWITCH ASSY, DOOR LOCK 1 The cabinet cover clamp is removed and the gasket is released. 2 Two screws are unscrewed.
  • Page 44 All manuals and user guides at all-guides.com ROTOR ASSEMBLY, STATOR ASSEMBLY, FRICTION DAMPER 1 Remove the back cover. 2 After loosening the bolt, Rotor, pull out the rotor. 1 Remove the 6 bolt from the stator. 2 Disconnect the 2 connectors. Motor Stator Hall Sensor U V W...
  • Page 45 All manuals and user guides at all-guides.com PUMP 1 Remove pump outlet hose. 2 Remove tub pump bellows. 3 Remove cap(Remaining Hose). 4 Disconnect the wiring. 5 Three screws are unscrewed from the cabinet. 6 Remove the pump to arrow direction. •...
  • Page 46 All manuals and user guides at all-guides.com WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND TUB 1 Remove washing heater. 2 Remove the foreign object(wire,coin,etc) by inserting long bar in the hole. SWITCH ASSEMBLY, SAFETY 1 Unscrew 4 screws from the back cover. 2 Disconnect the wiring connector.

  • Page 47: Exploded View And Part List

    All manuals and user guides at all-guides.com 10. EXPLODED VIEW AND PART LIST 10-1. THE PART LIST OF CABINET ASSEMBLY A154 A140 A110 A102 A153 A103 A104 A152 A151 A150 A101 A141 A131 A100 A430 A130 A440 A134 A410 A240 A135 A455 A300...

  • Page 48: The Exploded View Of Control Panel & Dispenser Assembly

    10-2. THE EXPLODED VIEW OF CONTROL PANEL & All manuals and user guides at all-guides.com DISPENSER ASSEMBLY F300 F324 F462 F330 F170 F321 F160 F432 F340 F225 F430 F220 F441 F120 F215 F110 F216 F210...

  • Page 49: The Exploded View Of Drum & Tub Assembly

    All manuals and user guides at all-guides.com 10-3. THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY M105 K146 K351 K350 K360 K143 K123 F140 K411 K121 K122 K410 K125 F320 K320 K111 F310 F466 K110 K141 F464 K140 K105 K410 K115 K130 K135...

  • Page 50: The Exploded View Of Dryer

    All manuals and user guides at all-guides.com 10-4. THE EXPLODED VIEW OF DRYER M100 M240 M130 M120 M111 M216 M110 M210 M230 M215 M101 M220 M140...

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