LG LDS4821 Service Manual Download Page 20 | Manualshive

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15. Holder Supporter, Tub Packing

and Hinge Supporter Assembly.

When you reassemble the Sump Assembly, be

careful not to kink, tear and take off the seals.

You must take off Stopper Roller(F117) by –

screwdriver to change the Rail Assembly.

(Stopper Roller could be broken while you are

taking off. So you should be careful not to be

hurt and have extra stopper rollers ready at

servicing at all times)

Rotate the screwdriver, after slide it into the

gap between Stopper Roller and Rail Roller.

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Summary of Contents for LDS4821

Page 1: ...DISHWASHER SERVICE MANUAL BEFORE SERVICING THE UNIT PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES NOTE MODEL LDS4821 WW BB ST ...

Page 2: ...ICAL EXPLANATION 7 5 PARTS NAME 11 6 PROGRAM CHART 12 7 HOW TO DISASSEMBLE 13 8 TROUBLE SHOOTING METHODS 22 A TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE 22 B TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM 24 9 INSTALLATION INSTRUCTION 28 10 EXPLODED VIEW 35 CONTENTS ...

Page 3: ...individuals 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 4: ...s Steel Control Electronic Rated Power Watt 1 350 Heater Power Watt 1 200 Programs 4 Upper Rack Position manual Lower Rack Fixed Tines Water Consumption 10 26 Normal Power Consumption kWh year 285 310 Operating Time min 101 135 Normal Fan Dry System Yes Delay Start Function No Auto Off Power Switch Yes Process Monitor Yes Wash Level 5 Racks Nylon Coating Operating Water Pressure Bar 20 120 140 830...

Page 5: ... 6 LDS4821 serise 3 WIRING DIAGRAM ...

Page 6: ...use it minimizes venting humid air to the outside of the dishwasher In addition this system ensures better drying results compared to the condensing drying system Because of alternating water spray between the Upper and Lower Rack the water pressure allows superior performance and reduced consumption of water and electricity For best wash results the self cleaning filter system continuously cleans...

Page 7: ...splayed RINSE Repeated pressing of the Rinse button will select Sanitary Extra Rinse or both If you select the Sanitary Function Sanitary Light blinks when the water temperature meet sanitary Temp and illuminates at the end of cycle when Conditions have been met to achieve sanitization When you select Extra Rinse an additional rinse cycle is added NOTE These high temperature rinse sanitizes dishwa...

Page 8: ...after 4 minutes for safety and economy If there is an unusual Power surge or disturbance the power will be automatically turned off for safety and the cycle will have to be started over POWER SCRUB NORMAL QUICK RINSE ONLY This program is for very heavily soiled loads This program is for normally soiled every loads This program is for that quick wash of lightly soiled recently used dishes and cutle...

Page 9: ...ing Soil Sensor Wash Pump Drain Pump Inlet Valve Dispenser Heater for 10 sec Fan Thermistor Lower Nozzle VARIO Upper Nozzle VARIO Auto Off Wash Drain Water Supply Both Both Both Both Both Closed Closed Both Closed Closed Closed Both Closed Closed Closed POWER SCRUB NORMAL QUICK RINSE ONLY RINSE 1 TIME 1 TIME 1 TIME 1 TIME 1 TIME 2 TIME 3 TIME 4 TIME 5 TIME 6 TIME 7 TIME 8 TIME 9 TIME 10 TIME 11 TI...

Page 10: ...ng to localities 5 3 LDS 4821 Series INSTALL BRACKET WOOD SCREW Control Panel Front Display Door Handle Power Button Front Cover Lower Cover Leveling Foot Base Top Spray Arm Upper Spray Arm Lower Spray Arm Detergent Rinse Aid Dispenser Vapor Vent Cover Upper Rack Cutlery Basket Lower Rack ...

Page 11: ... 12 6 PROGRAM CHART SCHEMATIC DIAGRAM Program chart LDS 4821 Series ...

Page 12: ... 4 Remove the Lower Rack and the Upper Rack 5 Remove the inlet hose and drain hose connetion to avoid the hose damages 6 Prepare some towels to avoid floor wet by the water left in the dishwasher 7 HOW TO DISASSEMBLE 7 1 FULL DISASSEMBLE 1 Lower Cover and Lower Felt 1 Remove the front 2 screws 2 Remove the Inlet Hose and Power Supply Cable 2 Tub Felt 1 Tub Felt Lower Cover Tub Felt ...

Page 13: ...n the door Remove 6 screws stainless 2 Control Panel Assembly Remove 8 screws Stainless Remove the wire connections Be sure the wiring should not be changed in reassembling Remove the Latch assembly Remove the Front Display Remove 8 screws for Controller Control Panel Front Cover ...

Page 14: ...erclockwise 4 Detergent Dispenser Close the door Remove the wire connections Remove 6 screws with brackets Push the Detergent slowly pulling up the the Flange by Standard Screwdriver 5 Door Spring Right Left Push the Spring upwards and take it off from the Hinge Bracket Be careful not to be injured by the sharpedge of Tub Take off the Hinge Link from the Hinge 6 Door Liner Open the door Pull the D...

Page 15: ...e Drain Hose Drain Hose Holder 4 Lower Frame 1 Press the holder hook as shown in figure 2 Remove 4 screws 6 Drain Hose Holder 1 Press the holder hook as shown in figure 2 Pull the Drain Hose and remove the Drain Hose Holder 5 Put the Dishwasher upside down ...

Page 16: ...crews 2 Pull the Base Cover out 8 Harness Hose Assembly 1 Remove the wiring connections 2 Remove the Hose connections from Sump Assembly You can see the information of Wiring Diagram at the back of Lower Cover Cabinet Base Base Cover ...

Page 17: ... it upward Cabinet Base 10 Foot Nut 1 Pull the Foot twisting 2 Pull the Nut pushing the hook Nut Foot 11 Rear Leg Adjustment System 1 Remove 2 screws 2 Pull the Holder 3 Pull the Leg Adjust 4 Pull the Shaft Assembly Holder Leg Adjust Shaft Assembly ...

Page 18: ... Hook Be careful not to drop the Sump Assembly to the bottom Inlet Valve Cabinet Base Air Braker Nut Gasket Air Braker Assembly 12 Inlet Valve 1 You can disassemble the lnlet Valve by removing the 2 screws 13 Air Braker Assembly 1 Disconnect the 3 hoses assembly 2 Turn the Air Braker Nut counterclockwise Be careful the o ring should not be lost ...

Page 19: ...ews for Vario Motor Pull the Vario Motor and Micro S W 3 Soil Sensor Pull the Soil Sensor Vario Motor Micro S W Soil Sensor 1 Heater Drain Motor Pull the Heater out of the Sump after releasing the nut Remove 3 screws Drain Pump Heater ...

Page 20: ...ff the seals You must take off Stopper Roller F117 by screwdriver to change the Rail Assembly Stopper Roller could be broken while you are taking off So you should be careful not to be hurt and have extra stopper rollers ready at servicing at all times Rotate the screwdriver after slide it into the gap between Stopper Roller and Rail Roller ...

Page 21: ...worn away Remove the cause of kink or block Check the wiring connection Measure the electric resistance of Drain Motor 20 40 Replace the Drain Motor or repair the Circuit Replace the connections of Hose Check the point of damages and repair or replace the related parts Read the Installation Instructions page 9 and fix it to the recommended Height Replace the Impeller of the Washing Pump Take actio...

Page 22: ...eplace the PCB Replace the Inlet Valve 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 Check the wiring connection Replace the cause of restriction Replace the Washing Motor Replace the PCB The Motor is working...

Page 23: ...r of house is O K The Power Switch or the Circuit is O K Re connect the Powr connection Check the electricity is failed or not Replace the Fuse or Circuit Breaker of house Check the Power Switch or the circuit and repair it Check the Controller Power Circuit B TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM NO NO YES YES YES NO ...

Page 24: ...ctions is OK The Blade is not locked by a small and sharp object close the Door tightly Check the Door Switch in Latch Handle Re connect the wiring connections related to the Washing Motor Remove the cause of lock or replace the Blade Replace the Wahing Pump Motor NO NO NO YES YES YES ...

Page 25: ...y used 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 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 t...

Page 26: ... 27 27 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 27: ...nt 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 If dishwasher will sit directly on subflooring subfloor should be sealed with a waterproof paint or sealer to prevent damage from steam Drill a 1 1 2 38mm dia hole or cut out for drain hose inlet hose and electrical cables on either side approx 4 100mm W X 4 100mm H Th...

Page 28: ...by time delay fuse Wiring must be 3 wires including ground 2 The wiring or cord should be in an accessible location adjacent to and not behind the dishwasher and within 4 ft 1 2m of the dishwasher side 3 The wiring or cord must be grounded properly if in doubt have it checked by a qualified electrician No other appliance shall be connected to the same outlet by a double adapter or similar plug 4 T...

Page 29: ...e supply should be shut off 4 The Water Supply Tube must be oriented as shown in Figure A on page 6 Step 4 PREPARE DISHWASHER FOR INSTALLATION 1 Adjust the legs to the required height to fit properly under the countertop as shown below 2 Check the level of dishwasher by using level Left side turn the adjusting screw counterclockwise to lower the leg and raise the rear of the dishwasher Right side ...

Page 30: ...dishwasher into the cupboard opening make all necessary height adjustments using the legs 3 Slide the dishwasher into the cabinet opening carefully Make sure that the drain hose inside the cabinet is not kinked 4 Follow the instruction as in Figure B Step 5 INSTALL THE DISHWASHER IN CUPBOARD ...

Page 31: ...tion the drain hose The drain connection must meet local plumbing regulations 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 Follow local codes and ordinances Do not exceed 10 ft 3m distance to drain Do not connect drain lines from other device...

Page 32: ...e line is not kinked or sharply bent Inlet Valve Water Supply Tube Elbow 1 Before beginning turn off electrical power to the unit at the circuit breaker 2 Remove the Junction Cover and then Install the Strain Relief 3 Twist Wire Connectors tightly on the wires Wrap each connection with Electrical tape 4 Check again and make sure that all wires are connected correctly black to black white to white ...

Page 33: ...urn electrical power back on at the circuit breaker 2 Turn house water supply back on 3 Operate the dishwasher through one cycle Quick cycle is recommended to check for water leaks and operating conditions 4 Replace the Lower Cover ...

Page 34: ... 35 35 Printed materials Description Owner s Manual Energy Label Loc No Service Manual G001 G002 G004 The following parts are not illustrated ACCESSORIES E005 10 EXPLODED VIEW ...

Page 35: ... 36 36 EXPLODED VIEW F001 M100 M210 M105 M261 M266 M260 A160 A130 A040 A003 F101 E005 E010 ...

Page 36: ... 37 EXPLODED VIEW TUB ASSEMBLY M086 F045 F060 F050 F022 M090 F043 F011 F013 F117 F144 F110 F132 F143 F117 F210 F011 F013 M006 M005 F171 F041 F040 F042 F080 ...

Page 37: ... 38 38 EXPLODED VIEW RACK ASSEMBLY A110 A050 F191 F192 F004 F005 A070 A060 A074 A073 A150 A140 A141 A142 A151 A152 A080 A101 A102 A103 ...

Page 38: ... 39 K260 K252 K254 K262 K200 K230 K201 K006 K251 K203 EXPLODED VIEW PANEL ASSEMBLY 39 ...

Page 39: ... 40 K217 K030 40 EXPLODED VIEW DOOR ASSEMBLY K002 A120 K001 K122 K110 K121 K101 F174 F142 F141 K124 K140 K100 K141 ...

Page 40: ... 41 41 M001 M110 M038 M025 M035 M130 M036 M007 M087 M060 M081 M120 M034 M088 M027 M028 M026 M050 M031 M220 EXPLODED VIEW SUMP ASSEMBLY ...

Page 41: ... 42 MEMO ...

Page 42: ... 43 MEMO ...

Page 43: ...P No MFL37554804 ...

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