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LG LD-14AT 2, Service Manual

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LG LD-14AT 2 Service Manual Download Page 47

No.

PART NAME 

PART No.

APPLIED MODEL

SPEC&COLOR

Q'ty

M025

M026

M027

M028

M029

M051

M060

M062

M070

M080

M083

M086

M087

M210

M230

M260

M270

VALVE, CHECK

MOTOR ASSEMBLY, WM

SWITCH, MICRO

CAM, SWITCH

SUMP HOLDER

MOTOR ASSEMBLY, PUMP

PUMP ASSEMBLY, WASHING

BRACKET, MOTOR

FILTER ASSEMBLY, STAINLESS

CASE ASSEMBLY

THERMISTOR ASSEMBLY

SWITCH, MICRO

SENSOR ASSEMBLY

VALVE ASSEMBLY, INLET

POWER CORD

BASE, CABINET

LEG

5220ED3001A

4681ED3001A

3W40025C

4430ED4001A

4930ED3011A

4681EA2001A

5859ED1001A

4810ED3003A

5231ED2001A

3111ED2002C

3111ED2002F

6322FD3671A

3W40025B

6501ED2002A

5221ED1002A

6410FA3406X

3040ED1002A

4778ED3001A

LD-4050W

LD-14AT2, LD-14AW2

LD-4050W

SYNCHRONOUS MOTOR

1

1

1

1

4

1

1

1

1

1

1

1

1

1

1

1

4

- 47 -

Summary of Contents for LD-14AT 2

Page 1: ...P No 3828ED3001L ...

Page 2: ...DISHWASHER SERVICE MANUAL BEFORE SERVICING THE UNIT PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES NOTE MODEL LD 4050W LD 14AW2 LD 14AT 2 ...

Page 3: ...G DIAGRAM 13 6 PROGRAM CHART SCHEMATIC DIAGRAM 15 7 HOW TO DISASSEMBLE 17 8 TROUBLE SHOOTING METHODS 27 A TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE 27 B TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM 29 9 INSTALLATION INSTRUCTION 33 10 EXPLODED VIEW 38 11 REPLACEMENT PART LIST 44 CONTENTS ...

Page 4: ...ndividuals possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair this appliance may result in personal injury and property damage The manufacturer or seller can not be responsible for the interpretation of this information nor can it assume any liability in connection with its use CAUTION ...

Page 5: ...4AT2 AC 240V 50Hz Free Standing built In 14 600 W 600 D 850 H 52 Stainless Steel Stainless Steel Electronic 2 210 2 100 6 Sliding Adjustable 100 Fold down 18 Economy 0 7 Economy 84 Economy Yes Yes Yes Yes 5 Nylon Coating 0 5 8 AC 240V 50Hz Free Standing built In 14 600 W 600 D 850 H 52 White Stainless Steel Electronic Fussy 2 210 2 100 6 Sliding Adjustable 100 Fold down 18 Economy 0 7 Economy 84 E...

Page 6: ...water temperature in an dishwasher reaches 77 C considerably higher than the average rinse temperature in conventional dishwashers 65 C This is how Rinse 77 C can eliminate some bacteria such as salmonella 3 1 2 High Temperature Rinsing Turbo Spray System is elaborately designed to achieve a more powerful and efficient wash You can see the excellent 3 rotating spray arm with 5 directional waterjet...

Page 7: ... 7 3 2 Display Panel LD 4050W RINSE EXTRA HOT CHILD LOCK TIME DELAY SPRAY INTENSITY POWER HALF LOAD DIAL PROGRAM START PAUSE TIME SAVE ...

Page 8: ...all load use upper or lower rack only to save energy With each press can select upper or lower rack only In case you don t select this button the machine always works vario washing which operate upper and lower spray arm alternately HALF LOAD Indication of remaining time Self diagnosis and error message display REMAINING TIME Used to lock or unlock the control buttons to prevent all the setting fr...

Page 9: ...ME 12 TIME 13 TIME n 0H 11 11 12 22 13 33 14 44 15 55 11 11 16 66 n 01 Frequency n 03 n 04 n 05 n 06 n 07 n 08 n 09 Temperature n 11 n 12 All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting The LED of each course is lighting None Water level sensor Washing motor Drain pump Inlet valve Dispenser Heater for 10 sec Fan mo...

Page 10: ...1 12 22 13 33 14 44 15 55 11 11 16 66 17 77 18 88 19 99 10 00 n 01 Frequency n 03 n 04 n 05 n 06 Temperature n 07 n 08 n 09 n 11 n 12 All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting All LEDs are lighting None Water level sensor ...

Page 11: ...er Cover 6 Process Monitor 7 Power Switch 8 Drain hose 9 Inlet valve ASM 10 Power Cord 11 Adjust Leg 12 Upper Rack 13 Cutlery Rack 14 Detergent Rinse Aid Dispenser 15 Vapor Vent Cover 16 Upper Spray Arm 17 Lower Spray Arm 18 Filter ASM 19 Lower Rack 11 4 PARTS NAME LD 4050W ...

Page 12: ...6 Process Monitor 7 Power Switch 8 Inlet valve ASM 9 Drain Hose Connector 10 Power Cord 11 Adjust Leg 12 Upper Rack 13 Cutlery Rack 14 Detergent Rinse Aid Dispenser 15 Vapor Vent Cover 16 Upper Spray Arm 17 Lower Spray Arm 18 Filter ASM 19 Lower Rack 4 PARTS NAME 12 LD 14AT2 LD 14AW2 ...

Page 13: ... 13 5 WIRING DIAGRAM LD 4050W ...

Page 14: ...5 WIRING DIAGRAM 14 LD 14AW2 LD 14AT2 ...

Page 15: ... 15 6 PROGRAM CHART SCHEMATIC DIAGRAM ...

Page 16: ...6 PROGRAM CHART PGM TIME Flow Default Vario 16 ...

Page 17: ...ower Rack and the Upper Rack 5 If necessary remove the inlet hose and drain hose to avoid the hose damages 6 Prepare some towels to avoid floor wet by the water left in the dishwasher 1 Top Table 1 Remove the rear 2 screws 2 Pull and lift the top table 2 Low Cover 3 Cabinet R L 1 Cabinet R Remove front 4 screws Remove rear 3 screws 2 Cabinet L Remove front 4 screws Remove rear 3 screws 17 7 HOW TO...

Page 18: ...e 6 screws stainless Close the door slowly and remove front cover downwards 2 Control Panel Assembly Open the door Remove 4 screws stainless Remove wire connection Be sure the wiring should not be changed in reassembling Remove 3 screws for Latch assembly Remove 5 screws for Controller LD 4050W LD 14AW2 LD 14AT2 18 ...

Page 19: ...nnections Remove 6 screws with brackets Detergent Dispenser Door Liner Door Bracket Inner Cover Out Cover Fan Fan 5 Door Spring Right Left Push the Spring upwards and take it off from the Frame Be careful not to be injured by the sharp edge of Tub Take the Hinge Link off from the Hinge 6 Door Liner Open the door Remove 4 screws Do not use other screws for assembling LD 4050W LD 14AT2 LD 14AW2 ...

Page 20: ...le 2 Filter Assembly Turn inner filter counterclockwise and lift inner filter and middle filter You can disassemble inner filter and middle filter by pulling opposite direction Lift up main filter Lift up micro filter 3 Nozzle Holder Disconnect the water guide Remove 4screws and lift it up Main filter Inner filter Middle filter Micro filter ...

Page 21: ...Be careful not to be injured or scratch floor by the sharp edge of tub 8 Air Guide Assembly Disconnect the wiring connection Remove 3 hoses assembly Be careful the o ring should not be lost 9 C Base Assembly 1 Remove the screw which tighten washing motor and base 2 Lift them upward Be careful not to wet the floor by the water left in the sump 3 Detach the washing motor and heater assembly by pulli...

Page 22: ... Lift the cam upward Be careful not to install upside down part number on the cam should face the motor 6 Vario valve Remove 4 screws and lift the cover upward Lift the vario valve upward 7 Capacitor Remove 1 screw 8 Inlet valve Remove 2 screws ...

Page 23: ... 23 9 Noise filter Remove 1 screw 10 Power cord assembly Turn the power cord assembly 90º and take it off 11 Drain Hose Pull the holder forward and upward 12 Relay Remove 2 screws LD 4050W has no relay ...

Page 24: ...1 Page 17 2 Low Cover See 7 1 2 Page 17 3 Cabinet R L See 7 1 3 Page 17 4 Air Guide Disconnect 3 hoses assembly You need not to unscrew the air guide nut 5 Put the Dishwasher upside down 7 2 DISASSEMBLE C BASE ASSEMBLY 24 ...

Page 25: ... Disconnect of powercord assembly 3 Disconnect wire from the capacity 6 Remove the side screws 1 Remove side 8 screws 2 Remove 2 Earth screws of right side 3 Remove 1 motor bracket screw 4 Lift base upward slightly You can t lift up base perfectly because of some parts connecting to base ...

Page 26: ... case washing pump drain motor etc you may refer to 7 1 9 2 11 Page 21 23 Don t disassemble sump by 7 2 If you want to disassemble the sump follow 7 1 4 Disconnect wire from the inlet valve 5 Disconnect wire from the relay Now you can remove the base from the tub perfectly ...

Page 27: ...ump Motor or repair the Circuit Replace the connections of Hose Check the point of damages and repair or replace the related parts Open the Water Tap Repair the Inlet Hose a Close the Water Tap b Unscrew the Inlet Hose Inlet Valve side c Clean the Filter of Inlet Valve Replace or repair the Inlet Valve Check the water remain on the base 1 Check the point of damages and repair or replace the relate...

Page 28: ...reaker Replace the sensor assembly Repair or replace the Controller Excessive water is sup plied than normal water level Automatically drain Pump operated EXCESS ERROR displayed Condition The resistance of ther mistor not normally out put THERMAL ERROR displayed Condition The Circuit of Heater is troubled The Thermistor is troubled The Heater is shorted The Relay Circuit is troubled Repair the Cir...

Page 29: ...er Switch or NO the Circuit is O K YES The C Trans Circuit NO is O K YES Insert the Plug Correctly Check the electricity is failed or not Replace the Fuse or Circuit Breaker of house Check the Thermal Fuse and replace it Check the Power Switch or the circuit and repair it Check the C Trans Circuit and repair it Check the Controller Power Circuit B TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM 29 ...

Page 30: ...ked YES The circuit of Pump NO Motor is O K YES The Thermal Protec YES tor of Motor is tripped NO Close the Door Tightly Check the Door Switch in Latch Handle Remove the cause of block or replace the Pump Motor Repair the circuit Cool the Motor Until the Thermal Protector reset Replace the Pump Motor ...

Page 31: ... or not Filters clogged or not the holes of spray arms blocked or not Utensils are correctly arranged or not Utensils are overloaded or not the spray arm rotating is obstructed or not the program is correctly selected or not ㆍ Reduce the amount of Rinse Aid for Streak YES Dry Results are not satisfactory Increase the amount of Rinse Aid Set the number higher Select the Program that the Rinse tempe...

Page 32: ... 32 Power Button not automatically off after operation Check the button is blocked by foreign materials Check the Power Switch Replace it if necessary Check the Controller Replace it if necessary ...

Page 33: ...m of space is required between the washer and an adjacent cabinet or a wall Ensure the floor under the dishwasher is at the same level as the rest of the room to allow for any service requirements Step1 Prepare Cupboard opening If bare chipboard is adjacent to or above the dishwasher it should be sealed with a waterproofing paint or sealant to prevent swelling due to steam Cut out for hoses and el...

Page 34: ...ary See Fig A 3 The power point must be correctly earthed if in doubt have it checked by a qualified Electrician No other appliance shall be connected to the same plug outlet by a double adapter or similar plug 1 Lay the dishwasher on its back 2 Adjust the legs to the needed height of cabinet as shown at below Step 2 PREPARE ELECTRICAL WIRING Step 3 PREPARE DISHWASHER FOR INSTALLATION CAUTION For ...

Page 35: ...ld be done using the spanner 2 Slide the dishwasher into the cabinet opening carefully Make sure that the drain hose inside the cabinet should not be kinked or exceeded Step 4 INSTALL THE DISHWASHER IN CUPBOARD CAUTION If the height of cupboard is below 850mm you should remove the top table by unscrewing the 2 screws Two of rear ...

Page 36: ...options are commonly used outside this area and local council or plumbers should be able to advise of these The S trap spigot must be drilled out cleanly and free of obstruction to its maximum internal diameter if used for drainage To prevent syphoning one of the following instruction methods must be followed When the drainage hose is connected to a sink S trap or waste disposal unit the hose must...

Page 37: ...ot be maintained below 65 C the dishwasher must be connected to cold water 2 When connecting the sealing tape or sealing compound should be used to avoid water leaks Make sure that the line is not kinked or sharply bent Step 6 WATER SUPPLY CONNECTION 1 Securely hand tighten supply hose to water supply Plug power cord into an earthed power point and switch on 2 Operate the dishwasher through one cy...

Page 38: ...10 EXPLODED VIEW 38 LD 4050W LD 14AT2 LD 14AW2 ...

Page 39: ... 39 EXPLODED VIEW ...

Page 40: ... 40 EXPLODED VIEW TUB ASSEMBLY ...

Page 41: ... 41 EXPLODED VIEW SUMP ASSEMBLY ...

Page 42: ... 42 EXPLODED VIEW BASE ASSEMBLY ...

Page 43: ... 43 EXPLODED VIEW DOOR ASSEMBLY LD 4050W LD 14AT2 LD 14AW2 ...

Page 44: ...D3003A 3890EZ3314A 3890EZ3314A 3890EZ3314A 3828ED3001L 3301ER1001F 3301ER1001C 4866ED2003A 3112FD1079R 3112FD1079U 3112FD1025R 3112FD1025U 3040ED1001A 3550ED1001A 3550ED1001C 5249FD1168C 5249ED1003A 4975ED2003A 3750FD2036C 3750ED2002C 5005ED2003B 6877ED1011B 6877ED1011D 6877ED1011C 5215ED3001B 3751ED1001J 3751ED1001H 3751ED1002D 3751ED1002E LD 4050W LD 14AT2 LD 14AW2 LD 4050W LD 14AT2 LD 14AW2 LD ...

Page 45: ...04F 3W40102H 4970ED4004C 4933ED3002A 6921ED3001A 6501ED4001B 4975ED1003C 4020ED3641C 4986FD3643A 4580FD3087C 3920FD3079C 4811FD3667A 4580ED3001A 4975ED1002A 4924FD2123D 4924FD2123C 4810FD3805A 3940FD4149A 3122FD1049K 3122FD1049N 5835ED2001B 5835ED2001A 5835FD2111C 5834FD3095A 5834FD3101A 5834FD3100A 4932ED3002B 4932ED3001B 5020ED3002A 5020ED1001B 5020ED1001A 3806ED1001D LD 4050W LD 14AT2 LD 4050W ...

Page 46: ...0ED1001B 5020ED3003A 4940ED2002B 4940ED2002B 4941ED3001A 3300ED3004N 3300ED3001V 3300ED3001U 6871EC1095A 6871EC1100B 6871EC2031A 4027FD3621K 4027FD3621H 4027FD3621F 4026ED3002A 4026ED3001B 4026ED3001A 4930ED2003A 4900ED4003A 4986ED3005A 3485ED1001E 4900ED3001A 4986ED3001A 4900ED4002A 3550ED3009A LD 14AW2 LD 14AT2 LD 14AW2 LD 4050W LD 14AT2 LD 14AW2 LD 4050W LD 14AT2 LD 14AW2 LD 4050W LD 14AT2 LD 1...

Page 47: ...CKET MOTOR FILTER ASSEMBLY STAINLESS CASE ASSEMBLY THERMISTOR ASSEMBLY SWITCH MICRO SENSOR ASSEMBLY VALVE ASSEMBLY INLET POWER CORD BASE CABINET LEG 5220ED3001A 4681ED3001A 3W40025C 4430ED4001A 4930ED3011A 4681EA2001A 5859ED1001A 4810ED3003A 5231ED2001A 3111ED2002C 3111ED2002F 6322FD3671A 3W40025B 6501ED2002A 5221ED1002A 6410FA3406X 3040ED1002A 4778ED3001A LD 4050W LD 14AT2 LD 14AW2 LD 4050W SYNCH...

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