LG XD74 Series User manual

www.lg.com
OWNER'S MANUAL
DISHWASHER
Before beginning installation, read these instructions carefully.
This will simplify installation and ensure that the product is
installed correctly and safely. Leave these instructions near the
product after installation for future reference.
EN ENGLISH
XD74*
XD77*
XD88**
XD89**
XD90**
MFL70282405
Rev.00_030218 Copyright © 2018 LG Electronics Inc. All Rights Reserved.

TABLE OF CONTENTS This manual may contain images or
content different from the model you
purchased.
This manual is subject to revision by the
manufacturer.
SAFETY INSTRUCTIONS .......................................................3
IMPORTANT SAFETY INSTRUCTIONS.................................................... 3
INSTALLATION ......................................................................10
Specifications ........................................................................................... 10
Accessories (On Some Models) ............................................................... 11
Preparing Cabinet Opening ...................................................................... 11
Installing Moisture Barrier Tape (On Some Models)................................. 14
Levelling the Appliance............................................................................. 14
Installing the Drain Hose .......................................................................... 15
Connecting the Water Supply Hose.......................................................... 16
Preparing Electrical Wiring ....................................................................... 17
Final Check............................................................................................... 17
OPERATION ...........................................................................18
Before Using the Appliance ...................................................................... 18
Using the Appliance.................................................................................. 22
Control Panel............................................................................................ 23
Cycles....................................................................................................... 25
Cycle Options ........................................................................................... 26
Auto Open Dry (AOD) (On Some Models) ............................................... 27
SignaLight™ (On Some Models).............................................................. 27
Programme Guide (model dependent) ..................................................... 28
Available Options...................................................................................... 29
Information for Energy Test (EN50242) .................................................... 30
Loading the Dishwasher ........................................................................... 31
Adding Cleaning Agents ........................................................................... 36
Refilling..................................................................................................... 38
Drying ....................................................................................................... 38
SMART FUNCTIONS .............................................................39
Using LG SmartThinQ Application............................................................ 39
Using Smart Diagnosis™ ......................................................................... 41
MAINTENANCE......................................................................43
Cleaning the Exterior ................................................................................ 43
Cleaning the Interior ................................................................................. 43
Cleaning the Filters................................................................................... 44
Cleaning the Spray Arms.......................................................................... 45
Cleaning the Water Supply Hose Filter..................................................... 47
TROUBLESHOOTING ...........................................................48
Diagnosing Problems ............................................................................... 48
Error Codes .............................................................................................. 53

3
SAFETY INSTRUCTIONS EN
The following safety guidelines are intended to prevent
unforeseen risks or damage from unsafe or incorrect
operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’
as described below.
This symbol is displayed to indicate matters and
operations that can cause risk. Read the part with this
symbol carefully and follow the instructions in order to
avoid risk.
WARNING
This indicates that the failure to follow the instructions can
cause serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can
cause the minor injury or damage to the product.
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To reduce the risk of explosion, fire, death, electric shock,
injury or scalding to persons when using this product,
follow basic precautions, including the following:
Children in the Household
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 use of the appliance by a
person responsible for their safety. Children should be supervised
to ensure that they do not play with the appliance.

4
EN
Installation
•Never attempt to operate the appliance if it is damaged,
malfunctioning, partially disassembled, or has missing or broken
parts, including a damaged cord or plug.
•If the power cord is damaged or the hole of the socket outlet is
loose, do not use the power cord and contact an authorized
service centre.
•Do not modify the power cord provided with the appliance. Please
contact the LG Customer information centre to advise of its
incompatibility.
•This appliance should only be transported by two or more people
holding the appliance securely.
•Do not install the appliance in a damp and dusty place. Do not
install or store the appliance in any outdoor area, or any area that
is subject to weathering conditions such as direct sunlight, wind,
or rain or temperatures below freezing.
•Do not plug multiple socket outlets, an extension power cable or
adapter with this appliance.
•Disconnect the power cord, 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.
•Fix the drain hose securely in place.
•This appliance is not designed for maritime use or for mobile
installations such as in RVs, trailers, or aircraft.
•This appliance must be positioned near to an electrical power
supply.
•When installing or moving the appliance, be careful not to pinch,
crush, or damage the power cord.

5
EN
•Use new hose or hose-set supplied with the appliance. Reusing
old hoses can cause a water leak and subsequent property
damage.
•Improper connection of the equipment-grounding conductor can
result in risk of electric shock. Check with a qualified electrician or
service personnel if you are in doubt as to whether the appliance
is properly grounded.
•This appliance must be grounded. In the event of malfunction or
breakdown, grounding will reduce the risk of electric shock by
providing a path of least resistance for electric current.
•This appliance is equipped with a power cord having an
equipment-grounding conductor and a grounding power plug. The
power plug must be plugged into an appropriate socket outlet that
is installed and grounded in accordance with all local codes and
ordinances.
•After installing, check the hose connection for leaks before moving
the appliance into the cabinet opening.
•Do not damage or place heavy items on the power cord of the
appliance.
•This appliance is intended to be used in household and domestic
applications only and must not be used for commercial purposes.
•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
EN
Operation
•Immediately unplug the power plug and contact an LG Electronics
customer information centre if you detect a strange sound, odour,
or smoke coming from the appliance.
•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 leave the appliance door open. Children may hang on the
door or crawl inside the appliance, causing damage or injury.
•Do not use flammable gas and combustible substances (benzene,
gasoline, thinner, petroleum, alcohol, etc.) near the appliance.
•Do not attempt to separate any panels or disassemble the
appliance. Do not apply any sharp objects to the control panel in
order to operate the appliance.
•Do not bend the power cable excessively or place a heavy object
on it.
•Do not put animals, such as pets into the appliance.
•Do not touch the power plug or the appliance controls with wet
hands.
•If there is a gas leakage (isobutane, propane, natural gas, etc.),
do not touch the appliance or power plug and ventilate the area
immediately.
•In case of flood, disconnect the power plug and contact the LG
Electronics Customer Information Centre.
•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 tap 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.

7
EN
•Keep the area underneath and around your appliances free of
combustible materials such as lint, paper, rags, chemicals, etc.
•Some dishwasher detergents are strongly alkaline. They can be
extremely dangerous if swallowed. Avoid contact with the skin and
eyes and keep children away from the dishwasher when the door
is open. Check that the detergent receptacle is empty after
completion of the wash cycle.
•Do not operate the appliance unless all enclosure panels are
properly in place.
•Use only detergents or wetting agents recommended for use in a
appliance and keep them out of the reach of children.
•Do not wash and dry articles that have been soaked in explosive
substances such as gasoline, solvents, solvent-based detergent.
•When loading items to be washed:
−Locate sharp items so that they are not likely to damage the
door seal.
−Load sharp knives with the handles up to reduce the risk of
cut-type 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 any heating element (where it is exposed) during or
immediately after use.
•Do not abuse, sit on, or stand on the door or dish rack of the
dishwasher.
•After cleaning the dishes, turn off the tap. Turn on the tap again
and check the connection status of water supply hose before
cleaning.
•Do not open the door while the appliance is in operation. Water
will splash out and could cause a slipping hazard.
•Be careful not to catch your hand when closing the door of the
appliance.
•Do not wash and dry articles that have been soaked in explosive
substances such as gasoline, solvents, solvent-based detergent.

8
EN
•Do not come into contact with any fitted 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.
•Knives and other utensils with sharp points must be loaded in the
basket with their points down or placed in a horizontal position.
•The door should not be left in the open position since this could
present a tripping hazard.
Maintenance
•Never unplug the appliance by pulling on the power cable. Always
grip the power plug firmly and pull straight out from the socket
outlet.
•Securely plug the power plug in the socket outlet after completely
removing any moisture and dust.
•Do not spray water inside or outside the appliance to clean it.
•Disconnect the appliance from the power supply before cleaning
the appliance. Setting the controls to the OFF or stand by position
does not disconnect this appliance from the power supply.
Disposal
•Before discarding an old appliance, unplug it. Cut off the cable
directly behind the appliance to prevent misuse.
•Dispose of all packaging materials (such as plastic bags and
styrofoam) away from children. The packaging materials can
cause suffocation.
•Remove the door before disposing of or discarding this appliance
to avoid the danger of children or small animals getting trapped
inside.

9
EN
CAUTION
To reduce the risk of fire, electric shock, or injury to persons
when using your product, basic safety precautions should
be followed, including the following:
Installation
•Install the product on a firm and level floor.
•Do not put the drain hose under the dishwasher during installation.
Operation
•Turn off the water tap and unplug the appliance if the appliance is
to be left for an extended period of time, such as during vacations.
•Do not place objects on the top of the appliance.
•Do not wipe or coat the surface of the product with liquid
detergent or bleach (chlorine bleach, oxygen bleach, etc). Failure
to follow these instructions may result in corrosion or discoloration
of the coating.
•Do not touch water draining from the machine as it may be hot.
•If the drain hose and the water supply hose are frozen in winter,
defrost before using.
•Do not put hands, feet, or metal objects below or behind the
appliance.
•Do not wash dishes stained with chemical products such as oil,
cream or lotions used in a massage parlor, skin care shop, beauty
shop or barber shop.

10
INSTALLATION EN
Specifications
1
5
6
7
2
3
4
1
11
7
3
4
5
9
8
2
10
6
Control Panel & Door Handle
Front Cover
Lower Cover
Leveling Feet
Drain Hose
Water Supply Hose
Power Cord
1
2
3
4
5
6
7
Top Wash Impeller
Upper Spray Arm
Lower Spray Arm
Salt Container Cap
Filtration System
Cutlery Basket
(On Some Models)
Detergent and Rinse Aid
Dispenser
Cutlery Rack
(On Some Models)
Upper Rack
Lower Rack
Steam Nozzle (Steam Models)
1
2
3
4
5
6
7
8
9
10
11
•Power supply: 220-240 V~ 50 Hz
•Size: 600 mm (W) X 600 mm (D) X 850 mm (H)
•Product weight: XD74* –48 kg, XD77* –49 kg, XD88**/XD89**/XD90** –52 kg
•Max. capacity: XD74* / XD77* / XD88** / XD89** / XD90** – 14 place settings
•Water feed pressure: 0.05 – 0.6 Mpa
•Power consumption: 1600 – 1800 W
•Appearance and specification is may vary without notice to improve the quality of the
appliance.