LG LDFN3432T Owner’s Manual

OWNER'S MANUAL

DISHWASHER

Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times.

ENGLISH

LDFN343**

www.lg.com

MFL69261734

Copyright © 2021 LG Electronics Inc. All Rights Reserved.

Rev.00_020321

2

TABLE OF CONTENTS

3IMPORTANT SAFETY INSTRUCTIONS

3 READ ALL INSTRUCTIONS BEFORE USE

3 WARNING STATEMENTS

6CAUTION STATEMENTS

7PRODUCT OVERVIEW

7 Product Features

9 INSTALLATION

9Before Installing

10Preparing Cabinet Opening

11Preparing Water and Electrical Connections

12Preparing Dishwasher

13Sliding Dishwasher into Cabinet Opening

14Connecting Water Supply Line and Power

16Connecting the Drain Hose

17Leveling Dishwasher

19Securing Dishwasher in Cabinet Opening

19Final Installation Check

21 OPERATION

21 Before Using

23Control Panel

24Wash Cycles

24 Options and Extra Functions

26 Loading the Dishwasher

26Loading the Silverware Basket

27Loading the Lower Rack

28Loading the Upper Rack

30 Adding Cleaning Products

33 SMART FUNCTIONS

33 LG ThinQ Application

33Smart DiagnosisTM Function

34MAINTENANCE

34 Cleaning and Care

37 TROUBLESHOOTING

37 Before Calling for Service

43 LIMITED WARRANTY

43 CANADA

IMPORTANT SAFETY INSTRUCTIONS 3

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USE

Safety Messages

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages.

This is the safety alert symbol.

This symbol alerts you to potential hazards that can kill or injure you and others. All safety messages will follow the safety alert symbol and either the word WARNING or CAUTION.

These words mean:

WARNING

You may be killed or seriously injured if you do not follow instructions.

CAUTION

You may be injured or cause damage to the product if you do not follow instructions.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what may happen if the instructions are not followed.

WARNING STATEMENTS

WARNING

•To reduce the risk of explosion, fire, death, electric shock, scalding or injury to persons when using this product, follow basic precautions, including the following:

Installation

•Connect to a properly rated, protected, and sized power circuit to avoid electrical overload.

•To reduce the risk of severe injury or death, follow all installation instructions.

•The appliance must be installed and electrically grounded by qualified service personnel in accordance with local codes.

•Disconnect the power supply line, house fuse or circuit breaker before installing or servicing the appliance.

•When moving or installing the product in a different location, call qualified service personnel for installation and service.

•Keep packing materials out of the reach of children. Packaging material can be dangerous for children. There is a risk of suffocation.

•Moving or installation of the appliance requires two or more people.

•This appliance is not designed for maritime use or for mobile installations such as in RVs, trailers, or aircraft.

•Store and install the appliance where it will not be exposed to temperatures below freezing or exposed to outdoor weather conditions.

•This appliance must be positioned near to an electrical power supply.

•Do not, under any circumstances, cut or remove the ground from the power supply line.

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4 IMPORTANT SAFETY INSTRUCTIONS

•When installing or moving the appliance, be careful not to pinch, crush, or damage the power supply line.

•Do not install the appliance in humid spaces.

•Destroy the carton, plastic bag, and other packing materials after the appliance is unpacked. Children might use them for play. Cartons covered with rugs, bedspreads, or plastic sheets can become airtight chambers.

•Never attempt to operate this appliance if it is damaged, malfunctioning, partially disassembled, or has missing or broken parts, including a damaged power supply line.

•Adhere to all industry recommended safety procedures including the use of long-sleeved gloves and safety glasses.

•The installer must ensure that the dishwasher is completely enclosed at the time of installation.

•Use new hoses when connecting the appliance to the water supply. Do not reuse old hoses.

•After installing, check the hose connection for leaks.

•Do not damage or place heavy items on the power supply line of the appliance.

Operation

•Repair or immediately replace all power supply lines that have become frayed or otherwise damaged. Do not use a power supply line that shows cracks or abrasion damage along its length or at either end.

•If you detect a strange sound, a chemical or burning smell, or smoke coming from the appliance, unplug it immediately, and contact an LG Electronics customer information center.

•Never unplug the appliance by pulling on the power supply line.

•Do not use an extension cable or adapter with this appliance.

•Do not grasp the power supply line or touch the appliance controls with wet hands.

•Do not modify or extend the power cable.

•If the product has been submerged, contact an LG Electronics customer information center for instructions before resuming use.

•Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

•Keep the area underneath and around your appliances free of combustible materials (lint, paper, rags, etc.), gasoline, chemicals and other flammable vapors and liquids.

•This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.

•If the electrical supply line is damaged, it must only be replaced by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard.

•Do not abuse, sit on, or stand on the door of the appliance.

•Read all instructions before using the appliance and save these instructions.

•Use this appliance only for its intended purpose.

•Do not allow children to play on, in or with the appliance. Close supervision of children is necessary when the appliance is used near children.

•Do not tamper with controls.

•In the event of a gas leak (propane gas, LP gas, etc.) do not operate this or any other appliance. Open a window or door to ventilate the area immediately.

•Under certain conditions, hydrogen gas may be produced in a hot-water system that has not been used for two weeks or more. HYDROGEN GAS IS EXPLOSIVE. If the hot-water system has not been used for such a period, before using the appliance turn on all hot water faucets and let the water flow from each for several minutes. This will release any accumulated hydrogen gas. As the gas is flammable, do not smoke or use an open flame during this time.

	IMPORTANT SAFETY INSTRUCTIONS	5
•	Fix the drain hose securely in place.
• Use only detergents or wetting agents recommended for use in a dishwasher and keep them out of the
	reach of children.
•	Do not let children eat detergent or dishwasher rinse agent.		<![if ! IE]> <![endif]>ENGLISH
	- Locate sharp items so that they are not likely to damage the door seal.
• When loading items to be washed:
	- Load sharp knives with the handles up to reduce the risk of cuts or other injuries.
•	Do not wash plastic items unless they are marked "dishwasher safe" or the equivalent. For plastic items
	not so marked, check the manufacturer’s recommendations.
• Do not touch the HEATING ELEMENT during or immediately after use.
• Do not operate your dishwasher unless all ENCLOSURE panels are properly in place.
•	Do not abuse, sit on, or stand on the door or dish rack of the dishwasher.
•	Do not install or store the dishwasher where it will be exposed to weather conditions.
•	After cleaning the dishes, turn off the water supply. Before cleaning, turn the water supply back on and
	check the connections.
•	Do not open the appliance door while it is operating. For safety reasons, the drain pump operates if the
	door is opened, resulting in a longer cycle time.
• Be careful not to catch your hand when closing the door of the product.
• Do not plug the dishwasher into a damaged outlet.
•	Do not install or keep the dishwasher near electrical components or exposed flames.
• Do not wash dishes exposed to gasoline, solvents or other flammable materials.
•	When cleaning, do not spray water on the product directly.
• Do not press buttons with a sharp object such as an awl or pin.
• Do not use solvent-based detergent.
• Do not come into contact with the steam outlet.
•	Small parts, such as rack clips and filter retaining posts can be a choke hazard to small children if
	removed from the dishwasher. Keep out of reach of small children.

Maintenance

•Do not repair or replace any part of the appliance. All repairs and servicing must be performed by qualified service personnel unless specifically recommended in this Owner’s Manual. Use only authorized factory parts.

•Do not disassemble or repair the appliance by yourself.

•Remove any dust or foreign matter from the power supply line.

•Disconnect this appliance from the power supply before cleaning and attempting any user maintenance. Turning the controls to the OFF position does not disconnect this appliance from the power supply.

•Remove the door before the appliance is removed from service or discarded to avoid the danger of children or small animals getting trapped inside.

•Unplug the appliance before cleaning to avoid the risk of electric shock.

•Before discarding the appliance, cut off the power supply line and destroy the appliance's control panel.

Grounding Instructions

•For a permanently connected dishwasher: This appliance must be connected to a grounded metal, permanent wiring system, or an equipment-grounding conductor must be run with the circuit conductors and connected to the equipment-grounding terminal or lead to the appliance.

•Connect the ground wire to the green ground connector in the terminal box.

6 IMPORTANT SAFETY INSTRUCTIONS

Tip Over Hazard

•Do not use the dishwasher until completely installed.

•Do not push down on the open dishwasher door.

•Failure to follow these instructions may result in serious injury or cuts.

CAUTION STATEMENTS

CAUTION

•To reduce the risk of minor or moderate injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following:

Installation

•Install the product on a firm and level floor.

•This dishwasher must be connected to a hot water supply with a temperature range between 120 °F (49 °C) and 149 °F (65 °C). This temperature range provides the best washing results and shortest cycle time. The temperature should not exceed 149°F (65 °C) to prevent damage to dishes.

•Do not put the drain hose under the dishwasher during installation.

Operation

•Do not place objects on top of the appliance.

•Turn off the water faucets and unplug the appliance if the appliance is to be left for an extended period of time, such as during vacations.

•Do not store or spill liquid detergents, cleaners, or bleaches (chlorine bleach, oxygen bleach) on the appliance. Doing so may result in corrosion, discoloration or damage to the surface of the appliance.

•Do not touch draining water which may be hot.

•If the drain hose and the water supply hose are frozen in winter, defrost before using the appliance.

•Do not put hands, feet, or metal objects below or behind the appliance.

Maintenance

•If cooking oil is spilled on the exterior of the product, wipe it off immediately. Do not clean the exterior of the product with cleaners which contain alcohol, thinners, bleach, benzene, flammable liquids, or abrasives. These substances may discolor or damage the appliance.

SAVE THESE INSTRUCTIONS

PRODUCT OVERVIEW 7

PRODUCT OVERVIEW

Product Features

The images in this guide may be different from the actual components and accessories, which are subject to change by the manufacturer without prior notice for product improvement purposes.

NOTE

•For your safety and for extended product life, use only authorized components. The manufacturer is not responsible for product malfunction or accidents caused by the use of separately purchased unauthorized components or parts.

•Do not remove the safety cover at any time.

•To ensure reliability, each LG dishwasher goes through thorough quality control before it leaves the factory.

•You may find water droplets or water spots from this process inside your new dishwasher.

Front View

Interior View

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a Control Panel & Door Handle	a Top Wash Impeller
b Front Cover	b Upper Spray Arm
c Lower Cover	c Lower Spray Arm
d Leveling Feet	d Filtration System
e Base	e Detergent and Rinse Aid Dispenser
f Safety Cover	f Drying Vent Cover
g Shipping Brace	g Lower Rack
	h Silverware Basket
	i Upper Rack
	NOTE

•The silverware basket ships installed at the back of the bottom rack. For best performance, install it along the right side.

8 PRODUCT OVERVIEW

Accessories

NOTE

•Remove all packing materials from the exterior and interior of the dishwasher before installing the appliance.

•Press the tab to remove the cable tie by hand. Cutting the tie with a knife or scissors may damage the rack or the silverware basket.

a b c

aInstallation Brackets (2 ea)

bWood Screws (4 ea)

cHose Clamp

Product Specifications

The appearance and specifications listed in this manual may vary due to constant product improvements.

Model	LDFN343**
Electrical Requirements	120 V, 60 Hz AC only, minimum 15 A circuit breaker
Min. / Max. Water Pressure	20 psi - 80 psi (140 kPa - 550 kPa)
Dimensions	23 3/4” X 24 5/8” X 33 5/8”
(Width X Depth X Height)	(603 mm X 625 mm X 854 mm)
Inlet Water Temperature	120 °F (49 °C) minimum, 149 °F (65 °C) maximum
Net Weight	70 lbs. (31.8 kg)

INSTALLATION 9

INSTALLATION

Before Installing

Parts not Provided

a	b	c
d	e	f
g	h	i

aElectrical Cable

bWater Supply Tube

cFittings for Tube

dCoupler

eElectrical Tape

fAir Gap

gWire Nuts for 16-Gauge Wiring

hHose Clamp

iUL Approved Strain Relief

Tools Needed

a b c

j k l

m n o

p

aFlat-Blade Screwdriver

bPhillips Screwdriver

cHole Saw min. 2 1/2” bit

dElectric Drill

eGloves

fSafety Glasses

gAdjustable Wrench

hTape Measure

iUtility Knife

jLevel

k1/4” Square Drive Wrench

lNipper

mPliers

nWire Stripper

oTubing Cutter

p3/8” Square Drive Wrench + 1/2” Socket

Installation Overview

				Please read the following installation instructions
	d	e	f	first after purchasing this dishwasher or
				transporting it to another location.
				a Preparing Cabinet Opening
	g	h	i	b Preparing Water and Electrical Connections
				c Preparing Dishwasher

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10 INSTALLATION

	d Sliding the Dishwasher into Cabinet Opening	Preparing Cabinet Opening
	e Connecting Water Supply Line and Power	This dishwasher is designed to fit a standard
	f Connecting the Drain Hose	dishwasher opening. An opening may be needed
		on both sides to route plumbing and electrical
	g Leveling the Dishwasher	connections.
		•	To ensure proper drainage, install the
	h Securing Dishwasher in Cabinet Opening		dishwasher no more than 12 ft. (3.65 m) from
	i Final Installation Check		the sink.
		•	The location must have sufficient space for the
			dishwasher door to open easily and provide at
	Product Dimensions		least 0.1” (2 mm) between the dishwasher and
			the cabinet sides.

Back View

23 3/4" (603 mm)

4	1/2"
(115 mm)		5 1/4"
	9 3/8"	(134 mm)
		411/16"
	(238 mm)	(119 mm)

Side View

For easiest installation, see marked areas a for water and electrical clearances in base of dishwasher. Water supply hose, drain hose and electric cable should be passed through this area.

335/16"

(846 mm)

24 5/8" (625 mm)

33 5/8"

(854 mm)

4	1/2"
(115 mm)
		215/16" (75 mm)
	a	43/4" (120 mm)
		20 3/16" (512 mm)

•If installing the dishwasher in a corner, leave a minimum of 2” (50 mm) between the dishwasher and the adjacent wall.

•The adjacent wall must be free of obstructions.

•For flush installations only, you may remove the cabinet brace a inside the cabinet.

Choosing the Proper Location

1 Select a location as close to the sink as possible for easy connections to water supply line, drain hose and electrical connection.

2 To allow for proper clearance of plumbing and electrical, use the template included with the literature to determine the clearance on the side of the cabinet where the cabinet meets the back wall. Using a 2 1/2” diameter hole saw, drill a hole in the target area as shown on the template.

INSTALLATION 11

3.5	''
2.5	''

4 ''

WARNING

•Installation damage is not covered by the warranty, and leaks caused by improper installation may result in property damage.

•Do not use existing holes unless they are in the target area.

•Failure to properly locate the hole for the water and drain lines may prevent the dishwasher from installing flush with the cabinets and could result in kinked, pinched, crushed, stressed or damaged lines.

-Do not use an extension cable or adapter with this dishwasher.

-Do not overload the outlet with more than one appliance.

-The included 16AWG wire nuts should be used.

-It is the personal responsibility and obligation of the product owner to have a proper outlet installed by a qualified electrician.

CAUTION

•When connecting the dishwasher water supply line to the house water supply, sealing tape or compound should be used on pipe threads to avoid leaks. Tape or compound should not be used on compression fittings.

•Connect the dishwasher to a hot water supply with a temperature range between 120 °F (49 ) and 149 °F (65 ). This temperature range provides the best washing results and shortest cycle time. To prevent damage to dishes, the temperature should not exceed 149 °F (65 ).

•Water supply pressure must be between 20 psi and 80 psi (140–550 kPa). If the water supply pressure exceeds 80 psi, a pressure reducing valve must be installed. Otherwise premature failure of the inlet valve may occur.

Preparing Water and

Electrical Connections

WARNING

•Water Connection

-Do not reuse an old hose. Use only a new hose when installing the dishwasher. The old hose could leak or burst causing flooding and property damage. Contact an LG Customer Information Center for assistance in buying a new hose.

•Electrical Connection

-Use a time-delay fuse or circuit breaker.

-Operate this appliance with the correct voltage as shown in this manual and on the rating plate.

-The wiring must be grounded properly. If in doubt, have it checked by a qualified electrician.

-Connect the appliance using 3-wires, including a ground wire.

-The appliance and outlet must be positioned so that the plug is easily accessible.

Routing Water Supply Line and Electrical Wiring

There are 2 channels in the bottom of the dishwasher for routing the water and electrical connections.

•As shown in the bottom view below, channel a is for the water supply line, and channel b is for the electrical cable.

1 Turn off the house water supply and the circuit breaker or dedicated power before connecting the dishwasher.

2 Run the water supply line along the floor 6 1/ 2" – 7 3/4" (165 mm – 197 mm) from the left

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12 INSTALLATION

side of the opening and tape it in place in	Removable Shipping Brace
front of the opening.	The rear shipping brace can be removed if
3 Run the electrical cable c along the floor 14"	additional clearance is needed when installing the
	dishwasher under a low countertop.
– 16" (356 mm – 406 mm) from the water
supply line d and tape it in place.
• The electrical outlet must be within 4 ft.
(1.22 m) of either side of the dishwasher.
• The best location for the electrical conduit is
on the right side of the back wall. Re-route
the electrical cable before installation if the
electrical conduit pipe is longer than 3" (76
mm) and is centered on the back wall.
	Removing Lower Cover
	CAUTION
	• If you lay the dishwasher on its back, do so
	carefully to avoid damaging the drain hose and
	the tub.
	1 Remove the screws at either side which attach
	the lower cover to the dishwasher.
Preparing Dishwasher
WARNING
• Do not remove safety cover. Removal can result
in fire, electric shock or death.

2

3

Remove the lower cover.

If there is insulation padding behind the lower cover, remove it.

Releasing Drain Hose

Remove the twist tie holding the drain hose to the back of the shipping brace.

4 Set the parts aside until the installation is complete.

Removing Packing Materials from the Interior

Remove all packing materials from the interior of the dishwasher before installing the appliance.

Attaching Installation Brackets

For countertops made of wood or other materials that will not be damaged by drilling, use the metal installation brackets provided.

INSTALLATION 13

For countertops made of granite, marble, or other materials that could be damaged by drilling, use the wood screws to attach the dishwasher to the cabinet. See installation instructions in Securing Dishwasher to Cabinet Opening.

NOTE

•Installation brackets and screws can be found in the silverware basket.

1 Insert the tabbed end of the installation brackets into the slots in the upper frame. Rotate the brackets until the tabbed ends are facing up.

2 Bend the tabs on the brackets to secure them to the frame using a pair of needle nose pliers.

•Do not push the door of the dishwasher with knees when sliding the dishwasher into position. Doing so can damage the front cover.

•Do not push the top of the dishwasher. Doing so can damage the interior of the dishwasher.

NOTE

•Open the door and grab the body frame and the top front opening bof the tub to move or lift the dishwasher.

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Sliding Dishwasher into Cabinet Opening

How to Slide Dishwasher

CAUTION

•Do not pull or lift the dishwasher using the handle a. Doing so can damage the door and hinges.

1 Align the dishwasher with the opening. Make sure the water supply line and electrical cable are in the correct positions to slide into their channels properly.

14 INSTALLATION

2 Smooth out or pad the edges of the hole drilled for the water supply to avoid damaging the drain hose.

3 Make sure the drain hose is straight before feeding the end of it through the hole for the water supply. As you slide the dishwasher into the opening, you will want to slowly pull on the drain hose from inside the cabinet to take up some slack. Be careful not to kink, pinch, crush or stress the drain hose during installation to avoid leaking and water damage.

5 Remove the tape from the water supply line and the electrical cable.

Connecting Water Supply

Line and Power

Connecting Water Supply Line

1 With the home water supply turned off, connect the water supply line to the inlet valve on the left front of the dishwasher.

CAUTION

•Tape or compound should not be used on dishwasher inlet valve.

4 Gradually slide the dishwasher into the opening, making sure that the water supply line and electrical cable are passing freely through the channels and do not get caught under the dishwasher.

CAUTION

•To avoid malfunctions or leakage, it is important that the drain hose not get kinked, pinched, stressed or crushed behind or under the dishwasher or inside the neighboring cabinet.

•Damage resulting from improper installation is not covered under the warranty.

•As you slide the dishwasher into the opening, stop periodically (or have an assistant help) to take up the slack by pulling the drain hose farther into the cabinet.

2 Tighten the compression nut.

3 Slide the water supply line back through the channel, pulling gently from inside the cabinet to make sure the line is not kinked, pinched, stressed or crushed.

Connecting Power

The dishwasher should have a dedicated properly grounded branch circuit to connect the 3 wire setup which includes the ground wire.

If a 3-prong power supply is used, it should be in an accessible location adjacent to the dishwasher

INSTALLATION 15

within 4 ft. (1.22 m) of the dishwasher side and not behind the dishwasher.

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NOTE

•The best location for the electrical conduit is on the right side of the back wall. Re-route the electrical cable before installation if the electrical conduit pipe is longer than 3” (76 mm) and is centered on the back wall.

1 Turn off electrical power to the unit at the circuit breaker.

5 Insert a strain relief b through the hole in the junction box. Tighten the ring nut c to secure it in place.

2 Use a Phillips screwdriver to remove the screw from the junction box cover and

remove the cover.

6 Insert the electrical cable through the hole in the strain relief. Tighten 2 screws to secure the cable.

3 Use a Phillips screwdriver to remove 2 screws a.

7 Pull the existing wires through the openings in the junction box. Tighten 2 screws d to reassemble the junction box in the appliance.

4 Remove the junction box from the appliance.

16 INSTALLATION

8 Pair the white, black, and green wires to the matching colored wires from the dishwasher. Then twist on the provided wire nuts etightly to connect the corresponding wires.

•If connecting the dishwasher’s drain hose to the garbage disposal, be sure to follow your garbage disposal’s manual for proper installation instructions.

9 Wrap electrical tape f around each connection.

Drain Hose Requirements

•Follow local codes and ordinances.

•Do not exceed 12 ft. (3.65 m) distance to drain.

•Do not connect drain hoses from other appliances to the dishwasher’s drain hose.

•If an extension drain hose is required, use a 5/8" or 7/8" inside diameter, 2-3 ft. length hose and a coupler for connecting the two hose ends.

10 Fold the connected wires back into the junction box and screw on the junction box cover.

WARNING

•Verify that the black wire is hot (120 V). If not, or if you are unsure of the power supply, have it checked by a licensed electrician.

Connecting the Drain Hose

If the end of the drain hose does not fit the drain line, use a heat and detergent resistant adapter (not supplied). These may be obtained from a local plumbing supply store.

•Cut the adapter so the end matches the size of the drain connection.

Height of the Drain Hose

The height of the drain hose end must be at least 12" (305 mm) and within 40" (1016 mm) from the base of the dishwasher to avoid water being siphoned from the tub.

Connecting to Disposal without Air Gap

1 Remove the knockout plug on the disposal with a hammer and screwdriver.

NOTE

•For drain hose installation, use the screw style hose clamp provided with this dishwasher in the silverware basket.