LG LDS4821WW Service Manual
LG LDS4821WW - Full Console Dishwasher Manual
 |
UPC - 048231009706
View all LG LDS4821WW manuals
Add to My Manuals
Save this manual to your list of manuals |
LG LDS4821WW manual content summary:
- LG LDS4821WW | Service Manual - Page 1
DISHWASHER SERVICE MANUAL NOTE BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES. MODEL : LDS4821(WW,BB,ST) - LG LDS4821WW | Service Manual - Page 2
FEATURES & TECHNICAL EXPLANATION 7 5. PARTS NAME ...11 6. PROGRAM CHART ...12 7. HOW TO DISASSEMBLE 13 8. TROUBLE SHOOTING METHODS 21 A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE...........21 B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM 23 9. INSTALLATION INSTRUCTION 27 10. EXPLODED - LG LDS4821WW | Service Manual - Page 3
RECONNECT ALL GROUNDING DEVICES IMPORTANT SAFETY NOTICE ! This service information is intended for 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 - LG LDS4821WW | Service Manual - Page 4
Time (min) Fan Dry System Delay Start Function Auto-Off Power Switch Process Monitor Wash Level Racks Operating Water Pressure (Bar) SPECIFICATION AC 120V/60Hz Built-In 16 23 3/4̋x 24 5/8̋x 33 5/8̋ 89lbs White, Black, Stainless Stainless Steel Electronic 1,350 1,200 4 manual Fixed Tines 10-26 - LG LDS4821WW | Service Manual - Page 5
3. WIRING DIAGRAM LDS4821 serise -6- - LG LDS4821WW | Service Manual - Page 6
of water and electricity. to Lower Arm ■ Self Cleaning Filter Soil Sensor to Drain For best wash results, the self-cleaning filter system continuously cleans the water as it circulates. Your LG dishwasher has a self-cleaning filter that grinds food into small particles before it goes down the - LG LDS4821WW | Service Manual - Page 7
Rinse, an additional rinse cycle is added. NOTE These high temperature rinse sanitizes dishware and glassware in accordance with NSF/ANSI Standard 184 for Residential Dishwashers. Certified residential dishwashers are not intended for licensed food establishments. -8- - LG LDS4821WW | Service Manual - Page 8
dishes. No detergent is used. � CANCEL & CHILD LOCK • To cancel a running cycle, open the door, then press and hold the POWER SCRUB and NORMAL buttons together for 3 seconds. The drain off for safety and the cycle will have to be started over. NOTE Only sanitary cycle have been designed to meet - LG LDS4821WW | Service Manual - Page 9
LEDs are lighting All LEDs are lighting All LEDs are lighting 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) � Normal Water Level : 270 Door open/ closed Both Both Both Both Both - LG LDS4821WW | Service Manual - Page 10
5. PARTS NAME 5-3. LDS 4821 Series � Control Panel � Front Display � Door Handle � Power & Rinse Aid Dispenser � Vapor Vent Cover � Upper Rack � Cutlery Basket � Lower Rack INSTALL BRACKET WOOD SCREW ※ The appearance and specifications may be varied without notice according to localities. - - LG LDS4821WW | Service Manual - Page 11
Program chart 6. PROGRAM CHART(SCHEMATIC DIAGRAM) LDS 4821 Series - 12 - - LG LDS4821WW | Service Manual - Page 12
cord from electric outlet to avoid electric shock. 2) Close the Water Tap (faucet). 3) Remove all dishes and items in the dishwasher. 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 - LG LDS4821WW | Service Manual - Page 13
Front Cover Open 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. Controller Latch - LG LDS4821WW | Service Manual - Page 14
Dispenser Flange Hose Door Hinge Door Bracket Hinge Bracket Hinge Spring 3) Fan Assembly Open the door. Remove 4 screws and a earth screw for Door Bracket Link from the Hinge. Door Liner Assembly Hinge Supporter 6) Door Liner Open the door. Pull the Door Liner and take it off from - LG LDS4821WW | Service Manual - Page 15
holder hook as shown in figure. 2) Remove 4 screws. Lower Frame Lead Wire Holer Lead Wire Holer Hook 5. Put the Dishwasher upside down. Drain Hose Holder 6. Drain Hose Holder 1) Press the holder hook as shown in figure. 2) Pull the Drain Hose and remove the Drain Hose Holder. Drain Hose - 16 - - LG LDS4821WW | Service Manual - Page 16
Cabinet Base Base Cover 7. Base Cover 1) Remove 2 screws. 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. - 17 - - LG LDS4821WW | Service Manual - Page 17
upward. Cabinet Base Inlet Valve 10. Inlet Valve 1) You can disassemble the lnlet Valve by removing the 2 screws. Air Braker Nut Gasket 11. 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. Air Braker - LG LDS4821WW | Service Manual - Page 18
Sump Assembly Sump Holder Hook 12. Sump Assembly Remove 2 screws. Remove the Sump Holder and push the Sump Assembly down with pulling aside Hook. Be careful not to drop the Sump Assembly to the bottom. Drain Pump 1) Heater & Drain Motor Pull the Heater out of the Sump after releasing the nut. - LG LDS4821WW | Service Manual - Page 19
the Sump Assembly, be careful not to kink, tear and take off the seals. 13. Holder Supporter, Tub Packing and Hinge Supporter Assembly. Rotate 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 - LG LDS4821WW | Service Manual - Page 20
Seal leakage of Sump assembly. The height of Drain Hose connection (sink-Drain Hose) is not over 20″. Impeller of the Washing Pump is worn away. 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 - LG LDS4821WW | Service Manual - Page 21
normal water level.(Automatically drain Pump operated.) POSSIBLE CAUSE FOR ERROR OCCURRENCE REMEDY The Inlet Valve is troubled. The Controller is troubled. Replace the Inlet Valve. Repair or replace the Controller. THERMAL ERROR displayed Condition The resistance of thermistor not normally out - LG LDS4821WW | Service Manual - Page 22
B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM No Power on when the power button pressed. The Power connection NO is correctly connected. • Re- house. The Power Switch or the Circuit is O.K? NO • Check the Power Switch or the circuit and repair it. YES Check the Controller.(Power Circuit) - 23 - - LG LDS4821WW | Service Manual - Page 23
Blade is not locked NO by a small and sharp object? • Remove the cause of lock or replace the Blade. YES Replace the Wahing Pump/Motor - 24 - - LG LDS4821WW | Service Manual - Page 24
, are there still White deposits or streaks on the dishes? YES NO After washing, are there still food soils on the dishes? YES Reduce the amount of Rinse-Aid (for Streak) Check that : - the amount of detergent Correctly used or not - Filters clogged or not. - the holes of spray arms blocked - LG LDS4821WW | Service Manual - Page 25
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.) - 26 - - LG LDS4821WW | Service Manual - Page 26
9. INSTALLATION INSTRUCTION Step 1: PREPARE CUPBOARD OPENING 1. This dishwasher is designed to fit a standard dishwasher opening as shown below. 2. Select a location as close to sink as possible for easy connections to water and drain lines. 3. The dishwasher should not be installed more than 10 ft. - LG LDS4821WW | Service Manual - Page 27
installation. Do not use an extension cord or adapter plug with this dishwasher. Electrical and grounding connections must comply with the national electrical code/provincial and municipal code and/or other local codes. 1. This appliance must be operated with correct voltage as shown in this manual - LG LDS4821WW | Service Manual - Page 28
tape or compound should be used to avoid leaks. 3. When connecting the dishwasher water line, the house 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 - LG LDS4821WW | Service Manual - Page 29
5: INSTALL THE DISHWASHER IN CUPBOARD 1. Remove the Lower Cover and orient dishwasher as shown below. 2. Before sliding the 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 - LG LDS4821WW | Service Manual - Page 30
instruction methods must be followed: Figure C: Connection to Disposer or waste Tee. Figure D: Connection to Air Gap. Drain Requirements �Follow local codes and ordinances. �Do not exceed 10 ft. (3m) distance to drain. �Do not connect drain lines from other devices to the dishwasher drain - LG LDS4821WW | Service Manual - Page 31
compound should be used to avoid water leaks. 2. Before connecting, turn off the Install the Strain Relief. 3. Twist Wire Connectors tightly on the wires. Wrap each connection with Electrical tape. Junction Cover 4. Check again and make sure that all wires are connected correctly, black to black - LG LDS4821WW | Service Manual - Page 32
Step 9: FINAL CHECKS 1. Turn 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. - 33 - - LG LDS4821WW | Service Manual - Page 33
10. EXPLODED VIEW ACCESSORIES E005 - 34 - - LG LDS4821WW | Service Manual - Page 34
EXPLODED VIEW F101 E005 E010 F103 F102 F001 M210 A040 M262 - 35 - A130 A160 M260 M261 M270 - LG LDS4821WW | Service Manual - Page 35
EXPLODED VIEW - TUB ASSEMBLY M086 F045 F040 F060 F050 F022 M090 F043 F041 F042 F011 F171 F014 F013 F117 F110 F144 F132 M005 M006 F011 F013 F143 F117 F210 - 36 - - LG LDS4821WW | Service Manual - Page 36
EXPLODED VIEW - RACK ASSEMBLY A150 A101 A102 A103 A140 A080 A151 A152 F192 F004 F005 A070 A073 A060 A074 A141 A142 A050 F191 A110 - 37 - - LG LDS4821WW | Service Manual - Page 37
EXPLODED VIEW - PANEL ASSEMBLY K254 K220 K230 K006 K262 K260 K200 K252 K251 K201 K203 - 38 - - LG LDS4821WW | Service Manual - Page 38
EXPLODED VIEW - DOOR ASSEMBLY K030 K110 K124 K002 K121 K122 K101 K001 K140 F174 F142 F141 K100 A120 - 39 - - LG LDS4821WW | Service Manual - Page 39
EXPLODED VIEW - SUMP ASSEMBLY M130 M120 M007 M036 M001 M038 M110 M025 M221 M035 M027 M028 M031 M088 M034 M220 M026 M050 M087 M060 M081 - 40 - - LG LDS4821WW | Service Manual - Page 40
: S(SAFETY PARTS), AL(ALTERNATIVE PARTS) LG MODEL: D1607(WB,BB,TB) YOUR MODEL: LDS4821(WW,BB,ST) Run_Date : 2008-04-20 SPECIFICATION: 120V 60Hz LOC DESC PART No. COMMENTS QTY *001 *002 *003 E005 MANUAL ASSEMBLY,OWNERS BOX,CARTON MANUAL,SERVICE ACCESSORY ASSEMBLY A040 COVER ASSEMBLY,LOWER - LG LDS4821WW | Service Manual - Page 41
HINGE ASSEMBLY HINGE ASSEMBLY HINGE ASSEMBLY HINGE ASSEMBLY LOCKER,LOCK BRACKET,HINGE GUIDE,WATER GUIDE,NOZZLE RAIL ASSEMBLY DISPENSER BRACKET ASSEMBLY DECOR,HANDLE K030 COVER ASSEMBLY,FRONT K100 K101 K110 K121 K122 K124 K140 K141 K200 DOOR LINER ASSEMBLY PARTS ASSEMBLY CASING ASSEMBLY GASKET - LG LDS4821WW | Service Manual - Page 42
TUB LOW 2 WATER GUIDE ~ SUMP 1 DRAIN MOTOR 1 WASHING MOTOR 1 1 1 SOIL SENSOR 1 HOLDER HEATER 1 1 1 PUMP CASE 1 1 0 DRAIN 1 DRAIN COVER 1 1 1 JUNCTION BOX 1 4 LEVELING KIT 1 BASE + HINGE SUPPORT 4 SUMP FILTER 8 IMPELLER 1 SUMP ~ DRAIN PUMP 3 SUMP ~ MOTOR 4 - 43 - LG LDS4821WW | Service Manual - Page 43
P/No. : MFL37554804
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
 |
 |
DISHWASHER
SERVICE MANUAL
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
NOTE
MODEL : LDS4821(WW,BB,ST)