LG LDS4821 Manuale utente

DISHWASHER

SERVICE MANUAL

BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY

FOR SAFETY AND CORRECT SERVICES.

NOTE

MODEL : LDS4821(WW,BB,ST)

- 3 -

1. CAUTION......................................................................................................................... 4

2. SPECIFICATIONS ........................................................................................................... 5

3. WIRING DIAGRAM........................................................................................................ 6

4. FEATURES & TECHNICAL 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

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DISCONNECT POWER CORD BEFORE SERVICING

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 or seller can not be responsible

for the interpretation of this information, nor can it

assume any liability in connection with its use.

CAUTION !

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2. SPECIFICATION

Rated Voltage / Frequency AC 120V/60Hz

Installation Built-In

Place Settings 16

Product Dimension(in) 23 3/4

x 24 5/8x 33 1/2

Product Weight(lbs) 89lbs

Door Color White, Black, Stainless

Tub Material Stainless 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 (140-830kPa)

ITEM SPECIFICATION

- 6 -

LDS4821 serise

3. WIRING DIAGRAM

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4. FEATURES & TECHNICAL EXPLANATION

4-1. Product Features

If you raise the Upper Rack, you can load large dishes in the Lower Rack.

(Max. 14 in.)

The tall tub provides large dishes loading as well as large capacity.

LG dishwashers let you load oversized items in the Lower and Upper Rack.

Newly introduced Slim Direct Inverter motor is inverter-controlled. Speed is

controlled based on program selection. It also offers high energy efficiency to

minimize energy loss.

This is one of the best performance solutions for drying dishes because 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 the

water as it circulates. Your LG dishwasher has a self-cleaning filter that grinds

food into small particles before it goes down the drain.

■■Ultra Big Capacity

■■Slim Direct MotorTM

■■Hybrid Drying System

■■Vario Spray System

■■Self Cleaning Filter

Moist

Air

Dry

Air

Mixed

Air

Upper

Arm

Lower

Arm

Soil Sensor

Fine Mesh

to Drain

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4-2. Display Panel LDS 4821 Series

PROCESS INDICATOR (SignaLight

)

• Current program phase is indicated.

INDICATOR

•Child Lock( ): Lamp will turn on when Child Lock setting is on.

•Rinse Aid( ): Refill with rinse aid when Lamp turns on.

TIME REMAINING

•Indicates normal run time for the cycle selected.

•During the cycle, the estimated time remaining for the selected cycle will be displayed.

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 dishware and glassware in accordance with NSF/ANSI Standard 184 for

Residential Dishwashers. Certified residential dishwashers are not intended for licensed food establishments.

- 9 -

PROGRAM

•Press the program that corresponds to your desired wash cycle.

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 pump will be activated and the cycle will be canceled.

•To lock/unlock the buttons, press QUICK and RINSE ONLY simultaneously for 3 seconds. When

CHILD LOCK is set, all buttons are disabled.

POWER

Pressing the POWER button turns on power to the control.

•After the cycle is complete, the power automatically switches off 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 cutlery.

This program is for just a quick rinse dishes. No detergent is used.







NOTE Only sanitary cycle have been designed to meet the requirements of performance for soil removal and sanitization

efficacy. There is no intention, either directly or indirectly, that all cycle on a certified machine have passed the

sanitization performance test.

Normal Water Level : 270

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4-3. TEST MODE LDS4821 Series

CHECK PROGRAM

BUTTON The number of

pushing button

Top

Display Load and Checking points Door open/

closed

RINSE+NORMAL

+POWER S/W

1 TIME n : 3H/U00 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)

Both

Closed

Both

Closed

Both

Closed

POWER SCRUB

NORMAL

QUICK

RINSE ONLY

RINSE

1 TIME

2 TIME

3 TIME

4 TIME

5 TIME

6 TIME

7 TIME

8 TIME

9 TIME

10 TIME

11 TIME

12 TIME

1:11

2:22

3:33

4:44

Soil Level

n:32

n:33

①Frequency

n:35

n:36

n:37

n:38

Temp.(℃)

n:3a

n:3b

n:3c

Both

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5. PARTS NAME

The appearance and specifications may be varied without notice according 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

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