LG Wd 10490n Service Manual
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Page 21
20 YES YES YES NO NO NO NO NO YES YES YES YES Wiring diagram option (HOT) MAXmax ABNORMAL SOUND SOFTENER DOES NOT FLOW IN Fix the bolt tightly. Replace the V-belt (4400FR3116B) Replace the motor. Refer to NO WATER SUPPLY Check the wiring on the dispenser. Put it in the correct compartment. Clean the cap and drawer. Is the pulley bolt loosened? Is the belt worn? Is there friction noise from the motor? Is water supplied? Are receptacles correctly connected to the terminals of inlet valve? Is softener put...
Page 22
21 NO NO YES YES YES NO NO NO NOYES YES NO PWB ASSEMBLY PWB ASSEMBLY 12 Replace the sensor (pressure). Replace the PWB Assembly. Repair drain hose Remove foreign material. Reconnect or repair the connector Replace the pump assembly Replace the PWB Checking voltage between two pins as press the power button is the voltage 220-240V~? Is the drain hose twisted or frozen? Is the impeller of the drain pump clogged? Is the connector disconnected, disassembled? Is the coil of drain pump cut-off? (resistance...
Page 23
22 AC 220-240V (1) 1 6 Replace the thermistor Push the thermistor tightly to the rubber. When disconnecting the connector (1) on the PWB assembly (Main) is the resistance of the Natural connectors [H
Page 24
23 NO YES YES YES NO NO NO YES 1 105 12345678910 35214 SPIN TROUBLE Check the sensor (Pressure) or hose (Sensor). If the problem is on the sensor or the hose, replace the sensor or the hose. Normal Reconnect or repair it. Replace the motor assembly. Press [Power] button with [Temp] and [Option] buttons pressed after power off. Press [Start/Pause] button 2 times. Does the drum rotate at low spin speed? Is it disconnected or badly contacted? [White : 2 pin ( ), Black : 2 pin (), White : 3 pin (), Blue :...
Page 25
24 Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. 9. DISASSEMBLY INSTRUCTIONS Unscrew 2 screws on the back of the top plate. Pull the top plate backward and upward as shown. Disconnect the PWB Assembly connector from Main lead wire Assembly. Pull out the drawer and unscrew 2 screws. Push upper hooks down on the top and pull the control panel. Disconnect the PWB assembly from the control panel by unscrewing 5 screws. Hook PLATE ASSEMBLY (TOP) CONTROL PANEL
Page 26
25 Disassemble the top plate assembly. Pull out the drawer to arrow direction. Unscrew 2 screws. Disassemble hose and its clamps. Disassemble ventilation bellows and water inlet bellows on the tub.Option DISPENSOR ASSEMBLY DRAWER DISPENSER ASSEMBLY
Page 27
26 Disconnect the wiring receptacle. Unscrew 2 screws from the back. When reconnecting the connector Open the lower cover cap by using coin and pull out the lower cover to the arrow direction after a screw is unscrewed. Open the door completely. Remove the two screws from the hinge. When removing the door assembly, it is necessary to hold the bracket that is inner of the cabinet cover. 12 3 INLET VALVE LOWER COVER VALVE #1 (MAIN) White/Black-Black VALVE #2 (PRE) Black - Gray VALVE #3 (HOT) Blue/White -...
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27 Take apart the cabinet gasket clamp. Unscrew 2 screws from the cabinet cover. Open the lower cover cap and unscrew 1 screw inside. Take apart the lower cover. Disassemble the cantrol panel. (refer to the page 25) Unscrew all the screws on the upper and lower sides of the cabinet cover. Take apart the tub gasket clamp. Make sure that the drain hole of the gasket is put beneath when reassembling the gasket. Refer to the arrow mark on the tub cover. GASKET ASSEMBLY
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28 Remove the back cover. Take off the belt turning the pulley. Unscrew the bolt to pull out the pulley. Unscrew 2 screws from the bracket. Push the motor in the arrow direction for disassembling. When reassembling the motor, make sure that motor mounting bushings are not taken off from the bracket. Pull out the hinge, pressing its snap. Do not use the pulled - out hinge again. It may be taken off during operation.Hinge, DamperDamper 1 2 3 PULLEY, MOTOR, DAMPER (PULLEY) (MOTOR) (DAMPER) Open the lower...
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29 Pump Outlet Hose Tub Pump Bellows Remove pump outlet hose. Remove tub pump bellows. Remove cap (Remaining Hose.) Disconnect the wiring. Unscrew 2 screws. Remove the pump. Loosen the M6 heater nut to pull out the heater. When mounting the heater, be sure to insert the heater into the heater clip on the bottom of the tub. Pull it out by holding the thermistor bracket. If it is pulled by the wire, it may be broken. When mounting the thermistor again, make sure that it is got back tight to the bushing....