LG P12RL Standard Inverter V Manuale del proprietario

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

www.lg.com

P/NO : MFL67415214

TYPE : WALL MOUNTED

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

PORTUGUESE

NEDERLANDS

POLSKI

MAGYAR

БЪЛГАРСКИ

2

TIPS FOR SAVING ENERGY

ENGLISH

TIPS FOR SAVING ENERGY

Here are some tips that will help you minimize the power consumption when you use the air

conditioner. You can use your air conditioner more efficiently by referring to the instructions

below:

• Do not cool excessively indoors. This may be harmful for your health and may consume more

electricity.

• Block sunlight with blinds or curtains while you are operating the air conditioner.

• Keep doors or windows closed tightly while you are operating the air conditioner.

• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.

• Speed up the fan to cool or warm indoor air quickly, in a short period of time.

• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air con-

ditioner is used for many hours.

• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block

the air flow or weaken the cooling / dehumidifying functions.

For your records

Staple your receipt to this page in case you need it to prove the date of purchase or for warranty

purposes. Write the model number and the serial number here:

Model number :

Serial number :

You can find them on a label on the side of each unit.

Dealer’s name :

Date of purchase :

SAFETY PRECAUTIONS

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid dangerous situations and ensure peak

performance of your product

WARNING

It can result in serious injury or death when the directions are ignored

CAUTION

It can result in minor injury or product damage when the directions are ignored

WARNING

• Installation or repairs made by unqualified persons can result in hazards to you and others.

• Appliance shall be installed in accordance with national wiring regulations.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or

similarly qualified persons in order to avoid a hazard.

• The information contained in the manual is intended for use by a qualified service technician

familiar with safety procedures and equipped with the proper tools and test instruments.

• Failure to carefully read and follow all instructions in this manual can result in equipment mal-

function, property damage, personal injury and/or death.

• When the power cord is to be replaced, replacement work shall be performed by authorized

personnel only using only genuine replacement parts

Installation

• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Fail-

ure to do so may result in electric shock or product failure.

• Contact an authorized service center when you install or relocate the air conditioner. Failure to

do so may result in serious injury or product failure.

• Always use a power plug and socket with a ground terminal.Failure to do so may result in

electric shock or product failure

• Install the panel and the cover of the control box safely. Failure to do so may result in explo-

sion or fire.

• Install a dedicated electric outlet and circuit breaker before you use the air conditioner. Failure

to do so may result in electric shock or product failure.

• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Fail-

ure to do so may result in electric shock or product failure.

• Do not modify or extend the power cable. If the power cable or cord has scratches or skin

peeled off or deteriorated then it must be replaced. It may result in fire or electric shock.

• Be cautious when you unpack or install the air conditioner. Failure to do so may result in seri-

ous injury or product failure.

• Do not install the air conditioner on an unstable surface or where there may be a danger of it

falling. It may result in death, serious injury, or product failure.

• Use inflammable gas (nitrogen) to inspect leak and to purge air, using compressed air or flam-

mable gas may cause fire or explosion.

!

3

ENGLISH

4

SAFETY PRECAUTIONS

ENGLISH

Operation

• Do not let the air conditioner run for a long time when the humidity is very high or when a door or

window has been left open. Failure to do so may result in product failure.

• Make sure that the power cord is not pulled or damaged while the air conditioner is operating. Fail-

ure to do so may result in fire, electric shock, or product failure.

• Do not place any objects on the power cord. It may result in electric shock or product failure.

• Do not turn on or off the air conditioner by plugging in or unplugging the power plug. It may result in

fire or electric shock.

• Do not touch, operate or repair the air conditioner with wet hands. It may result in electric shock or

product failure.

• Do not place a heater or other heating appliances near the power cable. It may result in fire, electric

shock, or product failure.

• Do not allow water to run into the air conditioner. It may result in explosion or fire.

• Do not leave flammable substances such as gasoline, benzene and thinner near the air conditioner.

It may result in explosion or fire.

• Do not use the air conditioner for an extended period of time in a small place without ventilation.

Ventilate the place regularly. Failure to do so may result in explosion or fire.

• When there is a gas leak, ventilate sufficiently before using the air conditioner again. Failure to do so

may result in explosion or fire.

• Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner. Failure to

do so may result in explosion or fire.

• Stop operating and close the window in strom or hurricane.If possible remove the product from the

window before hurricane arrives

• Contact an authorized service center when the air conditioner is submerged into water due to flood-

ing. Failure to do so may result in explosion or fire.

• Be cautious water could not enter the product

• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a heater

are used simultaneously. Failure to do so may result in fire, serious injury, or product failure.

• Turn the main power off and unplug the power plug when you clean or repair the air conditioner.

Failure to do so may result in death, serious injury, or product failure.

• Unplug the power plug when the air conditioner is not used for an extended period of time. Failure

to do so may result in product failure.

• Do not place any objects on the air conditioner. It may result in product failure.

• For inner cleaning, contact an Authorized Service Center or a dealer. Do not use harsh detergent

that causes corrosion or damage on the unit. Harsh detergent may also cause failure of product, fire,

or electronic shock.

• 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.

SAFETY PRECAUTIONS

CAUTION

Installation

• Make sure to check if there is a refrigerant leak after you install or repair the air conditioner. Failure

to do so may result in product failure.

• Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result

in product failure.

• Keep level even when installing the product.

• Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not incon-

venience the neighbors. Failure to do so may result in conflict between neighbors.

• When transporting the equipment, there should be at least 2 or more people, or a forklift. It may re-

sult in serious injury.

• Do not install the air conditioner where it will be exposed to sea wind (salt spray) directly. It may re-

sult in product failure.

Operation

• Do not expose people, animals or plants to the cold or hot wind from the air conditioner. It may re-

sult in serious injury.

• Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a con-

sumer air conditioner, not a precision refrigeration system. It may result in death, fire or electric

shock.

• Do not block the inlet or outlet of air flow. It may result in explosion or product failure.

• Do not use strong cleaning agents or solvents when you clean the air conditioner, or spray water.

Use a smooth cloth. It may result in serious injury or product failure.

• Never touch the metal parts of the air conditioner when you remove the air filter. It may result in se-

rious injury or product failure.

• Do not place any objects on the air conditioner. It may result in product failure.

• Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if

necessary.

• Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operat-

ing. It may result in electric shock.

• Do not drink the water drained from the air conditioner. It may result in serious health complications.

• Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height. Failure

to do so may result in serious injury or product failure.

• Do not mix the batteries for the remote control with other types of batteries or mix new batteries

with used batteries. Failure to do so may result in product failure.

• Do not recharge or disassemble the batteries. Failure to do so may result in explosion, fire or serious

injury.

• Stop using the remote control if there is a battery fluid leak. If your cloth or skin is exposed to the

battery fluid from a leak, wash it off with clean water. Failure to do so may result in serious injury.

• If you swallow the battery fluid from a leak, wash out the inside of your mouth thoroughly and then

consult a doctor. Failure to do so may result in serious health complications.

!

5

ENGLISH

Operation ranges

The table below indicates the temperature ranges the air conditioner can be operated within.

Mode Indoor temperature outdoor temperature

Cooling 18°C~32°C -10°C~48°C

Heating 16°C~30°C -10°C~24°C

TABLE OF CONTENTS

2

TIPS FOR SAVING ENERGY

3 IMPORTANT SAFETY

INSTRUCTIONS

7 BEFORE USE

7 Components

8 Using the remote control

9 - Inserting batteries

9 - Installing the remote control holder

10 BASIC FUNCTIONS

10 Cooling your room

10 Heating your room

10 Removing humidity

11 Airing your room

11 Adjusting the fan speed

11 Adjusting the air ﬂow direction

11 Setting the timer

11 - Setting the current time

12 - Turning on the air conditioner

automatically at a set time

12 - Turning off the air conditioner

automatically at a set time

12 - Canceling the timer setting

12 Setting sleep mode

13 ADVANCED FUNCTIONS

13 Changing room temperature quickly

13 Indoor air puriﬁcation

13 - Auto Clean operation

14 Auto operation

14 Auto Changeover operation

14 Silent mode

15 Energy Control mode

15 Display screen brightness

15 Operating the air conditioner without the

remote control

16 Restarting the air conditioner

automatically

16 Ionizer Puriﬁcation operation

17 MAINTENANCE

18 Cleaning the air ﬁlter

18 Cleaning 3M ﬁlter

19 TROUBLESHOOTING

19 Self-diagnosis function

19 Before requesting service

TABLE OF CONTENTS

6

ENGLISH

Air inlet vents

Air outlet vents

Base plate

Connection

wire

Drain hose

Coolant piping

BEFORE USE

Components

Outdoor unit

Operation

lamp

Signal Receiver

ON/OFF button

Air inlet

Air ﬁlter

Front grille

Vertical louver

Air outlet

Ionizer

Horizontal

vane

3M ﬁlter

NOTE

!

The number of operation lamps and their locations may vary, depending on the model of the

air conditioner.

7

BEFORE USE

ENGLISH

Indoor unit

* The feature can be changed according a type of model.

Using the remote control

You can operate the air conditioner more conveniently with the remote control. You will find the

buttons for the additional functions under the cover of the remote control.

Wireless remote control

Display

screen

Control

panel

BEFORE USE

8

ENGLISH

* Some functions may not be supported, depending on the

model.

Control

panel

Display

screen

Description

A

K

IONIZER button*: Ionizer sterilize the

aerial bacteria and other harmful sub-

stances.

l

Sleep mode auto button*: Sets the

sleep mode auto operation.

_

Temperature adjustment buttons: Ad-

justs the room temperature when cool-

ing and heating.

|

- On/Off button: Turns the power on/off.

g

L

Indoor fan speed button: Adjusts the

fan speed.

f

AC

DBE

Operation mode selection button*: Se-

lects the operation mode.

Cooling operation (A) / Auto operation

or auto changeover (C) / Dehumidify-

ing operation (D) / Heating operation

(B) / Air circulation (E)

M

Jet cooling/heating button*: Warms up

or cools down the indoor temperature

within a short period of time.

i

:

Air flow direction button: Adjusts the air

flow direction vertically.

k

S

Temperature display button: Displays the

room temperature. Also changes unit

from °C to °F if pressed for 5 seconds.

mn

Timer button: Sets the current time and

the start / end time.

C

B

H

I

J

Navigation and functions button*: Ad-

justs the time and sets the special

functions.

I Operates SILENT mode / J Oper-

ates E/Control mode /

J

: Auto clean

silent Mode and E/Control are not avail-

able at the same time

p

-

Set/clear button: Sets or cancels func-

tions.

r

-

Reset button: Resets the air condi-

tioner settings.

\

LIGHT button: Adjusts the brightness

of the indoor unit display.

Inserting batteries

Insert batteries before using the remote

control. The battery type used is AAA (1.5 V).

1 Remove the battery cover.

2 Insert the new batteries and make sure

that the + and – terminals of the batteries

are installed correctly.

3 Reattach the battery cover.

Installing the remote control holder

Install the holder where there is no direct sun-

light to protect the remote control.

1 Choose a safe and easily-accessible place.

2 Remove the adhesive sticker protection

film from the back of the holder before at-

taching it to the wall.

3 Fix the holder by fastening the 2 screws

firmly with a screwdriver.

4 Slide the remote control into the holder.

Point the remote control towards the signal

receiver at the bottom of the air conditioner to

operate it.

NOTE

!

If the display screen of the remote control

starts to fade, replace the batteries.

NOTE

!

• The remote control may operate other

electronic devices if pointed towards

them. Make sure to point the remote

control towards the signal receiver of

the air conditioner.

• For proper operation, use a soft cloth to

clean the signal transmitter and receiver.

Operating method

9

BEFORE USE

ENGLISH

BASIC FUNCTIONS

Cooling your room

(Cooling operation)

1 Press | to turn on the power.

2 Press f repeatedly to select the cooling

operation.

- A is displayed on the display screen.

3 Press

G

or

H

to set the desired tempera-

ture.

- The temperature range is 18°C (64°F)

~30°C (86°F).

Heating your room

(Heating operation)

1 Press | to turn on the power.

2 Press f repeatedly to select the heating

operation.

- B is displayed on the display screen.

3 Press

G

or

H

to set the desired tempera-

ture.

- The temperature range is 16°C (60°F)

~30°C (86°F).

Removing humidity

(Dehumidifying operation)

This mode removes excess moisture from an

environment with high humidity or in the rainy

season, in order to prevent mold from setting

in. This mode adjusts the room temperature

and the fan speed automatically to maintain

the optimal level of humidity.

1 Press | to turn on the power.

2 Press f repeatedly to select the dehu-

midifying operation.

-

D is displayed on the display screen.

NOTE

!

• In this mode you cannot adjust the room

temperature, as it is adjusted automati-

cally. Also, the room temperature is not

displayed on the display screen.

BASIC FUNCTIONS

10

ENGLISH

NOTE

!

Cooling-only models do not support this

function.

Airing your room

(Air Circulation operation)

This mode only circulates the indoor air

without changing the room temperature. The

cooling lamp lights up in air circulation mode.

1 Press | to turn on the power.

2 Press f to select the air circulation opera-

tion.

- E is displayed on the display screen.

3 Press g to adjust the fan speed.

Adjusting the fan speed

1 Press g repeatedly to adjust the fan

speed.

- Select

5

if you want natural air.

The fan speed adjusts automatically.

Adjusting the air ﬂow direc-

tion

1 To adjust the direction of the air flow hori-

zontally, press i repeatedly and select

the desired direction.

- Select

:

to adjust the direction of the air

flow automatically.

Setting the timer

You can use the timer function to save energy

and to use the air conditioner more efficiently.

Setting the current time

1 Press p and hold it for longer than 3 sec-

onds.

- The AM/PM icon flickers at the bottom of

the display screen.

NOTE

!

• Adjusting the air flow direction vertically

may not be supported, depending on

the model.

• Adjusting the air deflector arbitrarily may

cause product failure.

• If you restart the air conditioner, it starts

to operate with the previously set direc-

tion of air flow, so the air deflector may

not match the icon displayed on the re-

mote control. When this occurs, press

i to adjust the direction of the air flow

again.

11

BASIC FUNCTIONS

ENGLISH

Remark Speed

High

Medium

Low

Natural Wind

2 Press

E

or

F

to select the minutes.

3 Press p to finish.

Turning on the air conditioner auto-

matically at a set time

1 Press m.

- The icon below flickers at the bottom of

the display screen.

2 Press

E

or

F

to select the minutes.

3 Press p to finish.

Turning off the air conditioner auto-

matically at a set time

1 Press n.

- The icon below flickers at the bottom of

the display screen.

2 Press

E

or

F

to select the minutes.

3 Press p to finish.

Canceling the timer setting

1 Press m or n to select the timer setting

to cancel.

2 Press p.

- To cancel all timer settings, press

p.

Setting sleep mode

Use the sleep mode to turn off the air condi-

tioner automatically when you go to sleep.

1 Press | to turn on the power.

2 Press l

3 Press

E

or

F

to select the hour

(up to 7 hours).

4 Press p to finish.

-

T is displayed on the display screen in

sleep mode.

NOTE

!

In the Cooling and Dehumidifying modes,

the temperature increases by 1°C after 30

minutes and by a further 1°C after another

30 minutes for a more comfortable sleep.

The temperature increases with up to 2°C

from the preset temperature.

BASIC FUNCTIONS

12

ENGLISH

ADVANCED FUNCTIONS

The air conditioner offers some additional ad-

vanced functions.

Changing room temperature

quickly

(Jet Cool/Heat operation)

This mode allows you to cool indoor air quickly

in summer or warm it quickly in winter.

1 Press | to turn on the power.

2 Press

M

.

- In jet cooling mode, strong air blows out

at a temperature of 18°C (64°F) for 30

minutes.

- In jet heating mode, strong air blows out

at a temperature of 30°C (86°F) for 30

minutes.

Indoor air puriﬁcation

Auto Clean operation

In the cooling and dehumidifying operations,

moisture is generated inside the indoor unit.

Use the auto cleaning function to remove

such moisture.

1 Press | to turn on the power.

2 Press

H

.

-

J is displayed on the display screen.

- If you turn off the power, the fan oper-

ates for 30 minutes and cleans the inside

of the indoor unit.

NOTE

!

• In Air Circulation, Auto, or Auto

Changeover mode, this function cannot

be used.

• This function may not be supported, de-

pending on the model.

13

ADVANCED FUNCTIONS

ENGLISH

NOTE

!

Some buttons cannot be used while the

auto cleaning function is in operation.

Cooling-only models

Auto operation

(Artiﬁcial intelligence)

In this mode, the fan speed and the tempera-

ture adjust automatically, based on the room

temperature.

1 Press | to turn on the power.

2 Press f repeatedly to select auto opera-

tion.

3 Press

E

or

F

to select the desired op-

eration code if the temperature is higher or

lower than the desired temperature.

Auto Changeover operation

This mode changes the operation mode auto-

matically to maintain the set temperature

at ±2°C.

1 Press | to turn on the power.

2 Press f repeatedly to select the auto

changeover operation.

-

C is displayed on the display screen.

3 Press

E

or

F

to set the desired tem-

perature.

- The temperature range is 18°C (64°F)

~30°C (86°F).

4 Press g repeatedly to select the fan

speed.

ADVANCED FUNCTIONS

14

ENGLISH

NOTE

!

This function may not be supported,

depending on the model.

Code Description

2 Cool

1 Cool slightly

0 Maintain

room

temperature

-1 Heat slightly

-2 Heat

NOTE

!

• In this mode, you cannot adjust the fan

speed, but you can set the air deflector

to rotate automatically.

• This function may not be supported, de-

pending on the model.

Silent mode

It is to prevent potential claims by neighbors,

reducing noise from outdoor units.

The outdoor unit sound pressure in cooling

and heating mode is decreased by 3dB com-

pared to the rated sound pressure

1 Press | to turn the power on.

2 Press

C

.

-

I is displayed on the display screen.

NOTE

!

•

Setting available only under operation-ON

Silent Mode and E/Control are not avail-

able at the same time. If E/Control is

pressed under Silent Mode, Silent Mode is

released and E/Control works.

• Capacity may decrease when outdoor

unit silent mode is selected.

• In Air Circulation, Humidity mode, this

function cannot be used.

Silent Mode Function available under the

below temperature set

- Cooling-possible temperature range: Indoor

18°C (64°F) ~ 30°C (86°F), Outdoor 18°C

(64°F) ~ 43°C (109°F)

- Heating-possible temperature range: Indoor

16°C (60°F) ~ 30°C (86°F), Outdoor 6°C

(43°F) ~ 24°C (75°F)

Energy Control mode

It is Brings the effect of the power saving.

(Setting available in air cooling mode)

1 step : The power Input in cooling mode

is decreased by 20% compared

to rated power Input

2 step : The power Input in cooling mode

is decreased by 40% compared

to rated power Input

1

Press | to turn the power on.

2 Press

B

.

-

J is displayed on the display screen.

Energy Control Function available under the

below temperature set

- Cooling-possible temperature range: Indoor

18°C (64°F) ~ 30°C (86°F), Outdoor 21°C

(69.8°F) ~ 32°C (89.6°F)

- Heating-possible temperature range: Indoor

16°C (60°F) ~ 30°C (86°F), Outdoor 6°C

(43°F) ~ 24°C (75°F)

Display screen brightness

You can adjust the brightness of the indoor

unit display screen.

1 Press \ repeatedly to set the brightness

to the desired level.

Operating the air conditioner

without the remote control

You can use the On/Off button of the indoor

unit to operate the air conditioner when the

remote control is unavailable. However, the

fan speed is set to high.

1 Open the front cover.

- Lift up both sides of the cover slightly.

2 Press the On/Off button.

- For cooling and heating models, the oper-

ation mode changes, depending on the

room temperature.

15

ADVANCED FUNCTIONS

ENGLISH

NOTE

!

This function may not be supported,

depending on the model.

* The feature can be changed according a

type of model.

* The feature can be changed according a

type of model.

ON/OFF

button

1 Step Entrance

2 Step Entrance

NOTE

!

• In Cooling mode, this function can be

used.

• Every time E/Control on wireless remote

controller is pressed, 1Step, 2Step, func-

tions release are repeated and switched

Wanted temperature appears for 5 sec.

• Capacity may decrease when outdoor

unit Energy Control mode is selected.

- To re-enable the function, press the On/

Off button and hold it for 6 seconds. The

unit will beep twice and the blue lamp

will blink 4 times.

ON/OFF

button

Disabling auto restart

NOTE

!

If you press and hold the On/Off button

for 3 – 5 seconds instead of 6 seconds,

the unit will switch to the test operation.

In the test operation, the unit blows out

strong air for cooling for 18 minutes and

then returns to the factory default set-

tings.

ADVANCED FUNCTIONS

16

ENGLISH

* The feature can be changed according a

type of model.

* The feature can be changed according a

type of model.

- For cooling only models, the temperature

is set to 22°C (71.6°F).

Room temp. Set temp.

Operation

mode

Below 21°C 24°C

Heating

operation

Above 21°C

and below

24°C

23°C

Dehumidify-

ing operation

Above 24°C 22°C

Cooling

operation

Ionizer Puriﬁcation operation

Ion particles from Ionizer developed by LG

sterilize the aerial bacteria and other harmful

substances.

1 Press | to turn on the power.

2 Press A.

-

K is displayed on the display screen.

NOTE

!

• You can use this function by pressing

A

without turning the air conditioner

on.

• This function may not be supported, de-

pending on the model.

• Do not touch Ionizer during operation.

Restarting the air conditioner

automatically

When the air conditioner is turned on again

after a power failure, this function restores

the previous settings. This function is a fac-

tory default setting.

1 Open the front cover.

- Lift up both sides of the cover slightly.

2 Press the On/Off button and hold it for 6

seconds.

- The unit will beep twice and the lamp will

blink 6 times.

MAINTENANCE

17

MAINTENANCE

If the air conditioner will not be used for an extended of time, dry the air conditioner to maintain it

in best condition.

1 Dry the air conditioner in Fan mode for 3 to 4 hours and

disconnect the power plug.

There may be internal damage if moisture is left in com-

ponents.

2 Before using the air conditioner again, dry the inner com-

ponents of the air conditioner in Fan mode for 3 to 4

hours. This will help to remove odor which is generated

from moisture.

Clean the product regularly to maintain optimal perform-

ance and to prevent possible breakdown.

* This may not be provided, depending on the model.

* The feature can be changed

according a type of model.

ENGLISH

CAUTION

• Turn off the power and unplug the power cord before you perform any maintenance; other-

wise it may cause electric shock.

• Never use water that is hotter than 40°C when you clean the filters. It may cause deforma-

tion or discoloration.

• Never use volatile substances when you clean the filters. They may damage the surface of

the product.

• Do not washed the 3M filter with water, because the filter can be damaged.

!

NOTE

!

• The location and shape of the filters may differ, depending on the model.

• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected

in the coils may decrease the operational efficiency or increase energy costs.

Type Description Interval

Air filter See “Cleaning the air filter.” 2 weeks

Ionizer See “Cleaning the Ionizer” 6 months

3M filter

See ” Cleaning the 3M filter ”

1 months

Indoor unit

Clean the Indoor unit surface by using a soft, dry cloth. Regularly

Clean the condensate drain pipe. Every 4 months

Clean the condensate drain pan. Once a year

Thoroughly clean the heat exchanger. Once a year

Replace the remote control batteries. Once a year

Outdoor unit

Use steam to clean the heat exchanger coils and the

panel vents. (consult with technician)

Regularly

Clean the fan. Once a year

Clean the condensate drain pan. Once a year

Verify that all the fan assembly is firmly tightened. Once a year

Verify that electric components with jets of air. Once a year

Clean the electric components with jets of air. Once a year

18

MAINTENANCE

ENGLISH

Cleaning the air ﬁlter

Clean the air filter once every 2 weeks or

more if necessary.

1 Turn off the power and unplug the power

cord.

2 Open the front cover.

- Lift up both sides of the cover slightly.

* The feature can be changed according a

type of model.

3 Hold the knob of the air filter, lift it up

slightly and remove it from the unit.

* The feature can be changed according a

type of model.

4 Clean the filter with a vacuum cleaner or

with warm water.

- If dirt is difficult to remove, wash the filter

in lukewarm water with detergent.

5 Dry the filter in the shade.

Cleaning the 3M ﬁlter

1 Turn off the power and unplug the power

cord.

2 Open the front cover and remove the air

filter (See “Cleaning air filter”).

3 Remove the 3M filter.

4 Use a vacuum cleaner to remove dirt,

Do not wash the Micro Dust Filter pow-

ered by 3M Tech with water, because the

filter can be damaged.

* The feature can be changed according a

type of model.

NOTE

!

• We suggest changing the 3M filter

every 6 Months

• The location of the filters may differ, de-

pending on the model.

• If you need more filters, please contact

the LG service center (Reger to the war-

ranty card)

Cleaning the Ionizer

• Turn off the power and unplug the power cord.

• Use dry cotton bud to remove any dust.

Note : The Ionizer may not be included in some models.

TROUBLESHOOTING

19

TROUBLESHOOTING

Self-diagnosis function

This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit

will blink in 2 second intervals. If this occurs, contact your local dealer or service center.

Before requesting service

Please check the following before you contact the service center. If the problem persists, contact

your local service center.

Problem Possible causes Corrective action

There is a burning smell and

a strange sound coming

from the unit.

-

Turn off the air conditioner, unplug the

power cord and contact the service center.

Water leaks from the indoor

unit even when the humidity

level is low.

The power cord is damaged

or generating excessive

heat.

A switch, a circuit breaker

(safety, ground) or a fuse is

not operated properly.

The air conditioner does not

work.

The air conditioner is

unplugged.

Check whether the power cord is plugged

into the outlet.

A fuse is blown or the

power supply is

blocked.

Replace the fuse or check if the circuit

breaker has tripped.

A power failure has

occurred.

Turn off the air conditioner when a power

failure occurs. When the power is restored,

wait 3 minutes, and then turn on the air

conditioner.

The voltage is too

high or too low.

Check if the circuit breaker has tripped.

The air conditioner

turned off automati-

cally at a preset time.

Press the power button again.

ENGLISH

Problem Possible causes Corrective action

The air conditioner does not

generate cool air.

Air is not circulating

properly.

Make sure that there are no curtains,

blinds or furniture blocking the front of the

air conditioner.

The air filter is dirty.

Clean the air filter once every 2 weeks.

See “Cleaning Air Filter” for more infor-

mation.

The room tempera-

ture is too high.

In summer, it may take some time to cool

indoor air. In this case, select the jet cool

operation to cool indoor air quickly.

Cold air is escaping

from the room.

Make sure that no cold air is escaping

through ventilation points in the room.

The desired tempera-

ture is higher than the

set temperature.

Set the desired temperature to a level

lower than the current temperature.

There is a heating

source nearby.

Avoid using a heat generator such as an

electric oven or a gas burner while the air

conditioner is in operation.

Air circulation opera-

tion is selected.

In the air circulation operation, air blows

from the air conditioner without cooling or

heating the indoor air. Switch the opera-

tion mode to the cooling operation.

It is not possible to adjust

the fan speed.

The auto operation,

jet operation or dehu-

midifying operation is

selected.

In some operation modes, such as the jet

or dehumidifying operation modes, you

cannot adjust the fan speed. Select an op-

eration mode in which you can adjust the

fan speed.

It is not possible to adjust

the temperature.

The air circulation op-

eration or jet opera-

tion is selected.

In some operation modes, such as the air

circulation or jet operation mode, you can-

not adjust the temperature. Select an op-

eration mode in which you can adjust the

temperature.

TROUBLESHOOTING

20

ENGLISH

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