Related Manuals for LG WM1317RD7
Summary of Contents for LG WM1317RD7
- Page 1 Website : http://biz.lgservice.com WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT. MODEL: WM1317RD7...
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Page 3: Specifications
1. SPECIFICATIONS WM1317RD7 COLOR POWER SUPPLY AC 127， V 60 Hz PRODUCT WEIGHT 202.8lb (92kg) WASHING 280 W ELECTRIC POWER DRAIN MOTOR 80 W CONSUMPTION WASH HEATER 1050 W REVOLUTION WASH 46 rpm SPIN SPEED 0-1,300 rpm CYCLES WASH/RINSE TEMPERATURES... -
Page 4: Features & Technical Explanation
The motor assembly also contains fewer moving parts, thus resulting in fewer repairs. NFC (Tag On Function) This feature uses LG Smart DiagnosisTM, Cycle Download, and Laundry Stats when you touch the LG appliance’s Tag On logo with your NFC equipped smartphone. -
Page 5: Neuro Fuzzy Washing Time Optimization
2-2. NEURO FUZZY WASHING TIME OPTIMIZATION To get the best washing performance, optimal time is determined by the water temperature, the selected washing temperature, and the size of the load. water temperature washing time the best selected NEURO- washing rinsing time washing FUZZY temperature... -
Page 6: Water Circulation
2-5. THE DOOR CAN NOT BE OPENED While program is operating. When a power failed and power plug is taken out in operation. While Door Lock lights turn on. White the motor is in the process of inertial rotating, through the operation is paused. 2-6. -
Page 7: Parts Identification
(sold separately) NOTE Contact LG Customer Service, if any accessories are missing. For your safety and for extended product life, use only authorized components. The manufacturer is not responsible for product malfunction or accidents caused by the use of separately purchased unauthorized components or parts. -
Page 8: Installation And Test
4. INSTALLATION & TEST Before servicing, ask the customer what the trouble is. When installing or repairing the washer, put on long gloves and safety glasses. Check the setup (power supply is 120 V , remove the transit bolts, level the washer, etc.) Check with the troubleshooting guide. -
Page 9: Connect Power Plug
HOW TO CONNECT THE INLET HOSE Cold Verify that the rubber washer is inside of the valve connector. Tighten the inlet hose securely to prevent leaks. Install the inlet hose to correct temperature water tap. Otherwise, it cause drips on the drawer panel handle and drawer panel. - Page 10 7 TEST OPERATION Preparation for Press the POWER button. Press the START/PAUSE washing. button. • Connect the power plug to the outlet. • Listen for a click to determine if the • Connect the inlet hoses. door has locked. Check the water heating Check the automatic reverse Check the water supply.
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Page 11: Operation
5. OPERATION 5-1. CONTROL PANEL FEATURES WM1317RD7... - Page 12 Status Indicator Power Button • It shows elapsed time of the cycle the washer is • Use this button to turn the operating. power On/Off. Cycle Selector Knob Start/Pause • Rotate the Cycle selector knob to select the cycle • Use this button to designed for different types of fabric and soil Start/Stop the washer.
- Page 13 Option Button STEAM : Use the STEAM button to add steam to the cycle for the extra cleaning. • : Use the button to select to wash temporary before to start the course which • you chosen. : Once you have selected the cycle and other settings, press this button to delay the •...
- Page 14 5-2. Cycle Guide The cycle guide below shows the options and recommended fabric types for each cycle. ● = Available option...
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Page 15: Special Functions
5-3. SPECIAL FUNCTIONS The option buttons also activate special functions, including CHILD LOCK, LOAD SIZE, TUB CLEAN, and SIGNAL ON/OFF. Press and hold the option button marked with the special function for 3 seconds to activate. CHILD LOCK Use this option to prevent unwanted use of the washer or to keep cycle settings from being changed while the washer is operating. - Page 16 5-4. Explanation of each process • Electrical power is supplied. Stay • Washer is ready to work and the micom is in the active mode. • After loading laundry and selecting a course and a cycle, water is Water supply supplied and drum rotates.
- Page 17 • To reach the correct set speed, the motor rotates clockwise and Intermittent spin counterclockwise directions after spin process starts. • If the water level frequency is lower than 23.0 kHz, a washer senses suds and starts suds removal process. •...
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Page 18: Test Mode
6. TEST MODE 6-1. 6-2. SPIN SPEED SOIL LEVEL Turns on all lamps and locks the door. 6-3. WASH/RINSE DELAY WASH... -
Page 19: Troubleshooting
7. TROUBLESHOOTING 7-1. 7-2. - Page 20 ERROR SYMPTOM CAUSE The connector (3-pin, male, white) in the MOTOR LOCKED MOTOR HARNESS is not connecte d to the c onnector (3-pi n, ERROR female, white) of STATOR ASSEMBLY. The electric con tact between the connectors (3 -pin, male, white) in the MOTOR HARNESS and 4-pin, female, white connector in the MAIN PWB ASSEMBLY is bad or unstable.
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Page 21: Troubleshooting With Error
7-3. TROUBLESHOOTING WITH ERROR INLET VALVE ERROR... -
Page 22: Drain Error
DRAIN ERROR SPIN SPEED SOIL LEVEL, WASH/RINSE DELAY WASH... -
Page 23: Heating Error
HEATING ERROR... - Page 24 - part of moto r LOCKED MOTOR ERROR displayed? LE ERROR Reconnect Check the connectors below . Motor the connector. Is the connector disconnecte d (connector / or disassembled? wire / motor ) Replace Is rotor magnet cracked ? motor drive connector. ) the ROTOR.
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Page 25: Door Open Error
DOOR OPEN ERROR Replace the Is there clicking sound once displayed? dE ERROR or twice when the ASSEMBLY. START/PAUSE button is pressed to start the cycle? Reconnect or Is the connector connected repair to door switch or main PWB Replace the the connector. -
Page 26: Unbalance Error
UNBALANCE ERROR OVER FLOW ERROR WASH/RINSE DELAY WASH [Note] Installation check list... -
Page 27: Pressure Sensor Error
PRESSURE SENSOR ERROR displayed? PE ERROR Reconnect or Is the connector connected repair to pressure sensor the connector. disconnected or disassembled? Replace the Is the resistance of the pressure pressure sensor out of switch. range? (pin 1~ pin 3) (21~23 Ω ±10%) Fix the air Is the AIR CHAMBER and chamber... -
Page 28: Troubleshooting Else
7-4. TROUBLESHOOTING ELSE CAUTION 1. Be careful of electric shock if disconnecting parts while troubleshooting. 2. First of all, check the connection of each electrical terminal with the wiring diagram. 3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly. NO POWER Replace the Is LED on while the power... - Page 29 BUTTON DOESN’T WORK...
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Page 31: Detergent Does Not Flow In
DETERGENT DOES NOT FLOW IN Refer to Is water supplied? NO WATER SUPPLY. Are receptacles correctly Check the connected to the terminals wiring. of the INLET VALVE ASSEMBLY? Has detergent been put in Put the the correct compartment detergent in of the dispenser? the correct place. -
Page 32: Abnormal Sound
LIQUID DETERGENT/SOFTENER/ ABNORMAL SOUND BLEACH DOES NOT FLOW IN Refer to Secure the Is the motor bolt loosened? Is water supplied? NO WATER bolt. SUPPLY. Are the plugs correctly Check the connected to the terminals of wiring on the the INLET VALVE dispenser. - Page 33 In some cases, NFC-equipped phones may be unable to transmit successfully. Press [ ] in the LG Smart Laundry&DW app for a more detailed guide on how to use the Tag On function.
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Page 34: Component Testing Information
8. COMPONENT TESTING INFORMATION When Resistance (Ohm) checking the Component, be sure to turn the power off, WARNING and do voltage discharge sufficiently. 8-1. FILTER ASSEMBLY (LINE FILTER) Wiring Circuit in the MAIN PWB / Wiring Diagram diagram MAIN PWB A SSE MBLY FUSE Test... -
Page 35: Door Lock Switch Assembly
8-2. DOOR LOCK SWITCH ASSEMBLY Wiring Circuit in the MAIN PWB / Wiring Diagram diagram MAIN PWB MICOM Relay Relay Common terminal of valve Door switch The door lock switch assembly consists of a heating PTC, a bimetal, Function a protection PTC, and a solenoid. It locks the door during the wash cycle. 1. - Page 36 Test points (5) (3) Result Test Points Result Remarks 700-1500 Ω (2) to (4) At 77 °F °C 60-90 Ω (3) to (4) At 77 °F °C (4) to (5) Infinity (2) to (4) 120 Vac Voltage Input...
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Page 37: Stator Assembly
8-3. STATOR ASSEMBLY Wiring Circuit in the MAIN PWB / Wiring Diagram diagram MAIN PWB MICOM Function The Direct Drive motor can be driven from stopped to maximum speed in infinite steps in either direction. There are 36 poles on the stator; 12 permanent magnets spaced around the rotor. There are no brushes to wear out. -
Page 38: Pump Motor Assembly
8-4. PUMP MOTOR ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram diagram MAIN PWB 1 2 3 1 2 3 1 2 3 4 1 2 3 3 2 1 MICOM 3 2 1 CONNECTOR Pump Driving circuit DRAIN CIRCULATION PUMP PUMP... -
Page 39: Inlet Valve Assembly
8-5. INLET VALVE ASSEMBLY... -
Page 40: Heater Assembly
8-6. HEATER ASSEMBLY Wering Circuit i n the MAIN PWB Wiring diagram diagram * Each circuits of loads in wiring diagram are all same. Fun ction 1. The wash heater is designed to raise the wash water to the desired temperature selection during certain wash cycles. -
Page 41: Thermistor Assembly
8-7. THERMISTOR ASSEMBLY Circuit in the MAIN PCB / Wiring Diagram... - Page 42 Result Wash Thermistor Test Points Result Remarks (tolerance ±5%) (1) to (2) 39.5 k At 86°F (30°C) 26.1 k At 104°F (40°C) 12.1 k At 140°F (60°C) 8.5 k At 158°F (70°C) At 203°F (95°C) 3.8 k At 221°F (105°C) 2.8 k Steam generator Thermistor Test Points...
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Page 43: Control Panel
9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine before disassembling and repairing the parts. CONTROL PANEL 1 Unscrew 2 screws on the back of the top plate. TOP PLATE ASSEMBLY 2 Pull the top plate backward and upward as shown. - Page 44 MAIN PWB ASSEMBLY Disconnect the POWER connector and the pressure switch assembly. Remove the protective cover. PROTECT COVER Disconnect the connectors. Unscrew 1 screw on the back. Remove the main PWB.
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Page 45: Noise Filter
DISPENSER ASSEMBLY Disassemble the top plate assembly. Pull out the drawer. Push out the dispenser assembly after unscrewing 2 screws. DRAWER Unscrew the clamp nut at the lower part of the dispenser. Disassemble the 3 connectors from the valves. Wire Color Blue Housing (YL-BK) White Housing (WH-BK) Blue Housing (GY-BK) - Page 46 CABINET COVER Unscrew the 5 screws from upper of the cabinet cover. Unscrew the screw from the filter cover. Put a flat ( - ) screwdriver or putty knife into the hinge slots at the bottom of the cover and pry it out.
- Page 47 Open the door. Disassemble the clamp assembly. Tilt the cabinet cover. Disconnect the door switch connector. NOTE : When assembling the cabinet cover, connect the door switch connector. Lift and separate the cabinet cover. Disassemble the clamp assembly. Disassemble the gasket.
- Page 48 DOOR Open the door. Unscrew the 4 screws from the hinge. (Use the 8mm tool.) Disassemble the door upward. DOOR LOCK SWITCH ASSEMBLY Open the door and remove the gasket using the special gasket pliers. Unscrew the 2 screws. NOTE Reconnect the connector after replacing the door switch assembly.
- Page 49 PUMP Disassemble the cabinet cover. CIRCULATION Separate the pump hose, the bellows, the HOSE circulation hose assembly from the pump PUMP HOSE assembly. BELLOWS Disassemble the pump assembly. HEATER Disassemble the cabinet cover. Separate 2 connectors from the heater. Loosen the nut and pull out the heater. CAUTION When assembling the heater, insert the heater into the heater clip on the bottom of...
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Page 50: Lamp Assembly
WHEN FOREIGN OBJECT IS STUCK BETWEEN DRUM AND TUB Disassemble the cabinet cover. Separate the heater from the tub. Remove any foreign objects (wire, coin, etc.) by inserting a long bar in the opening. LAMP ASSEMBLY Unscrew 2 screws on the back of the top plate. TOP PLATE ASSEMBLY Pull the top plate backward and upward as shown. - Page 51 MOTOR/DAMPER Disassemble the back cover. Rotor Remove the bolt. Pull out the rotor. Bolt Unscrew the 2 screws from the tub bracket. Remove the 6 bolts on the stator. Unplug the 1 connectors from the stator. Disassemble the damper hinges from the tub DAMPER HINGE, and base.
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Page 52: Exploded View
10. EXPLODED VIEW 10-1. CABINET & CONTROL PANEL ASSEMBLY M410 F215 A485 *Non-Skid pads G010 F210 F110 A455 A450 A104 A105 A106 A102 A111 A110 A410 A103 A150 A154 A101 A141 A390 A151 A100 A131 A130 A430 A140 A133 A440 A300 A310 A201... -
Page 53: Drum & Tub Assembly
10-2 . DRUM & TUB ASSEMBLY K123 K350 K360 K143 K610 K411 K611 K410 K115 K141 K110 K117 K111 K140 K571 F315 F310 F465 K572 K190 F463 K570 F464 K122 K125 K516 K130 K320 K530 K121 K510 K512 K344 K135 K340 K131 F360... -
Page 54: Dispenser Assembly
10-3. DISPENSER ASSEMBLY F322 F323 F462 F321 F300 Inlet Valve Filter SVC COLD (BLUE ) F160 F227 F329 F430 F220 F120 F130 COLD (BLUE) A276 F432... - Page 55 WM4270H*A Wiring Diagram Power Button DISPLAY PWB DISPLAY PWB N.C. 9 10 BN RD OR YL GR REGULATED POWER SUPPLY TEST Step 2: BK RD YL With RED LED ON / CK the following Voltages RD to OR – 12 V BK RD RD to YL –...
- Page 56 P/No. : MFL68588919...