LG F12KM User Manual

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OWNER’S MANUAL

AIR CONDITIONER

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

TYPE: WALL MOUNTED

EN ENGLISH

DA DANSK

MFL70270103

Rev.03_072320

NO NORSK

SV SVENSKA

FI SUOMI

www.lg.com

TABLE OF CONTENTS

SAFETY INSTRUCTIONS ..............................................3

OPERATION ....................................................................9

This manual may contain images or content different from the model you purchased.

This manual is subject to revision by the manufacturer.

IMPORTANT SAFETY INSTRUCTIONS ..................................................3

Notes for Operation ..................................................................................8

Parts and Functions ..................................................................................9

Wireless Remote Control ........................................................................10

Restarting the Air Conditioner Automatically ..........................................14

Using the Mode Function ........................................................................14

Using the Jet Mode Function ..................................................................16

Using the Fan Speed Function ...............................................................17

Using the Air Flow Direction Function .....................................................17

Setting the On/Off Timer .........................................................................18

Using the Sleep Function .......................................................................19

Using the Light Off Function ...................................................................19

Using the Comfort Air Function ...............................................................19

Using the Energy Control Function .........................................................20

Using Special Functions .........................................................................21

SMART FUNCTIONS ....................................................23

LG ThinQ Application .............................................................................. 23

Smart Diagnosis .....................................................................................25

MAINTENANCE .............................................................26

Clean the Air Filter ..................................................................................27

Clean the 3M Filter .................................................................................27

Clean the Ionizer ....................................................................................28

TROUBLESHOOTING ..................................................29

SAFETY INSTRUCTIONS

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.

The following symbols are displayed on indoor and outdoor units.

This symbol indicates that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposure to an external ignition source, there is a risk of fire.

This symbol indicates that the Operation Manual should be read carefully.

This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual.

This symbol indicates that information is available such as the Operating Manual or Installation Manual.

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.

For use in Europe:

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

Installation

•Do not install the air conditioner on an unstable surface or in a place where there is danger of it falling.

•Contact an authorized service center when installing or relocating the air conditioner.

•Install the panel and the cover of the control box safely.

•Do not install the air conditioner in a place where flammable liquids or gases such as gasoline, propane, paint thinner, etc., are stored.

•Make sure that the pipe and the power cable connecting the indoor and outdoor units are not pulled too tight when installing the air conditioner.

•Use standard circuit breaker and fuse that conform to the rating of the air conditioner.

•Do not input air or gas into the system except with the specific refrigerant.

•Use non-flammable gas (nitrogen) to check for leak and to purge air; using compressed air or flammable gas may cause fire or explosion.

•The indoor/outdoor wiring connections must be secured tightly, and the cable should be routed properly so that there is no force pulling the cable from the connection terminals. Improper or loose connections can cause heat generation or fire.

•Install dedicated electric outlet and circuit breaker before using the air conditioner.

•Do not connect the ground wire to a gas pipe, a lightning rod, or a telephone ground wire.

•Keep any required ventilation openings clear of obstruction.

•Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.

Operation

•Be sure to use only those parts listed in the service parts list. Never attempt to modify the equipment.

•Make sure that children do not climb on or hit the outdoor unit.

•Dispose of the batteries in a place where there is no danger of fire.

•Use only the refrigerant specified on the air conditioner label.

•Cut off the power supply if there is any noise, smell, or smoke coming from the air conditioner.

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

•Contact an authorized service center when the air conditioner is submerged by flood waters.

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

•In the event of a gas leak (such as Freon, propane gas, LP gas, etc.) ventilate sufficiently before using the air conditioner again.

•To clean the interior, contact an authorized service center or dealer. Using harsh detergents may cause corrosion or damage to the unit.

•Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously.

•Do not block the inlet or outlet of air flow.

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

•Make sure that the power cable is neither dirty, loose, nor broken.

•Never touch, operate, or repair the air conditioner with wet hands.

•Do not place any objects on the power cable.

•Do not place a heater or other heating appliances near the power cable.

•Do not modify or extend the power cable. Scratches or peeling insulation on the power cables may result in fire or electric shock, and should be replaced.

•Cut off the power supply immediately in the event of a blackout or a thunderstorm.

•Take care to ensure that power cable could not be pulled out or damaged during operation.

•Do not touch refrigerant pipe, water pipe and any internal parts while the unit is operating or immediately after operation.

Maintenance

•Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops.

•Do not clean the appliance by spraying water directly onto the product.

Technical Safety

•Installation or repairs made by unauthorized persons can pose hazards to you and others.

•Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification.

•Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants.

•The information contained in the manual is intended for use by a qualified service technician who is familiar with the safety procedures and equipped with the proper tools and test instruments.

•Failure to read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.

•The appliance shall be installed in accordance with national wiring regulations.

•When the power cord is to be replaced, the replacement work shall be performed by authorized personnel using only genuine replacement parts.

•This appliance must be properly grounded to minimize risk of electric shock.

•Do not cut or remove the grounding prong from the power plug.

•Attaching the earth wire to the power outlet cover screw does not ground the appliance unless the cover screw is metal, uninsulated, and the power outlet is grounded through house wiring.

•If you have any doubt whether the air conditioner is properly grounded, have the power outlet and circuit checked by a qualified electrician.

•The refrigerant and insulation blowing gas used in the appliance require special disposal procedures. Consult a service agent or a similarly qualified person before disposing of them.

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

•The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.

•The appliance shall be stored in a room without continuously operating open flames (for example an operating gas appliance) and ignition sources (for example an operating electric heater).

•The appliance shall be stored so as to prevent mechanical damage from occurring.

CAUTION

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

Installation

•Do not install the air conditioner in an area where it is directly exposed to sea wind (salt spray).

•Install the drain hose properly for the smooth drainage of water condensation.

•Exercise caution when unpacking or installing the air conditioner.

•Do not touch the leaking refrigerant during installation or repair.

•Transport the air conditioner with two or more people or use a forklift.

•Install the outdoor unit such that it is protected from direct sunlight. Do not place the indoor unit in a place where it is directly exposed to sunlight via the windows.

•Safely dispose of packing materials such as screws, nails or batteries using proper packaging after installation or repair.

•Install the air conditioner in a place where the noise from the outdoor unit or the exhaust fumes will not inconvenience the neighbors. Failure to do so may result in conflict with the neighbors.

Operation

•Remove the batteries if the remote control is not to be used for an extended period of time.

•Make sure that the filter is installed before operating the air conditioner.

•Be sure to check if there is a refrigerant leak after installing or repairing the air conditioner.

•Do not place any object on the air conditioner.

•Never mix different types of batteries, or old and new batteries for the remote control.

•Do not let the air conditioner run for a long time when humidity is very high or when a door or a window has been left open.

•Stop using the remote control if there is a fluid leak in the battery. If your clothes or skin are exposed to the leaking battery fluid, wash off with clean water.

•Do not expose people, animals, or plants to the cold or hot wind from the air conditioner for extended periods of time.

•If the leaking battery fluid has been swallowed, rinse the inside of the mouth thoroughly and consult a doctor.

•Do not drink the water drained from the air conditioner.

•Do not use the product for special purposes, such as preserving foods, works of art, and etc. It is an air conditioner for consumer purposes, not a precision refrigeration system. There is risk of damage or loss of property.

•Do not recharge or disassemble the batteries.

Maintenance

•Never touch the metal parts of the air conditioner when removing the air filter.

•Use a sturdy stool or ladder when cleaning, maintaining, or repairing the air conditioner at a height.

•Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water. Use a smooth cloth.

Notes for Operation

Suggestion for Energy Saving

• Do not over-cool the space. 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, within a short period of time.

• Open windows regularly for ventilation. The indoor air quality may deteriorate if the air conditioner is used for long durations.

• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or reduce the unit performance.

OPERATION

Parts and Functions

Indoor Unit Outdoor Unit

2 3

On/Off Button Signal Receiver

Operation Lamp

Ionizer

Air Deflector (Vertical Louver) Air Deflector (Horizontal Vane)

Air Outlet

3M Filter

Air Filter Front Panel

Indoor Unit Display

Refrigerant Pipes Drain Hose

Connection Wire

Mounting Feet

Air Outlet Vents Air Intake Vents

Set-Point / Room Temperature

On/Off

Wi-Fi

Defrost / Pre-Heat Operation Timer

SWING

Wireless Remote Control

Inserting Batteries

If the display screen of the remote control begins to fade, replace the batteries. Insert AAA (1.5 V) batteries before using the remote control.

Remove the battery cover.

Insert the new batteries and make sure that the

+ and - terminals of the batteries are installed correctly.

Installing the Remote Control Holder

To protect the remote control, install the holder where there is no direct sunlight.

Choose a safe and easily accessible location.

Operating Method

Point the remote control towards the signal receiver at the right side of the air conditioner to operate it.

NOTE

• The remote control may operate other electronic devices if it is directed towards them. Make sure to point the remote control towards the air conditioner signal receiver.

• For proper operation, use a soft cloth to clean the signal transmitter and receiver.

• In case of a function not provided in the product, no buzzer sound occurs from the product when a button for such function on the remote control is pressed except for Air Flow Direction (

Purification function ( ).

), Air

Fix the holder by fastening 2 screws firmly with a

screwdriver.

℃↔℉ [5 s]

SWING

Setting the Current Time

Insert batteries.

• The icon below blinks at the bottom of the display screen.

Press or button to select the minutes.

Press SET/CANCEL button to finish.

NOTE

• The On/Off Timer is available after setting the current time.

Using the °C/°F Conversion Function

This function changes unit between °C and °F

• Press and hold

button about 5 seconds.

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.

Open the front panel.

• Lift up both sides of the panel slightly.

Press the ON/OFF button.

Close the front panel as soon as you press the

ON/OFF button.

• Lift down both sides of the panel slightly.

• For cooling and heating models, the operation mode changes, depending on the room temperature.

Room Temp. Set Temp.

Below 21°C 24°C

Above 21°C and

below 24°C

Above 24°C 22°C

23°C

Operation

Mode

Heating

Operation

Dehumidifying

Operation

Cooling

Operation

• For cooling-only models, the temperature is set to 22 °C

Using Wireless Remote Control

RESET

SWING

TIMER

CANCEL

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

Button

Display

Screen

Description

- To turn on/off the air conditioner.

To adjust the desired room temperature in cooling, heating or auto changeover mode.

To select the cooling mode. (P.14)

To select the heating mode. (P.15)

MODE

To select the dehumidification mode. (P.15)

To select the fan mode. (P.15) To select the auto changeover/auto

JET

MODE

FAN

SPEED

SET/

CANCEL

operation mode. (P.16) To change room temperature quickly.

(P.16)

To adjust the fan speed. (P.17)

To adjust the air flow direction vertically or horizontally. (P.17)

To turn on/off air conditioner automatically at desired time. (P.18)

To set/cancel the special functions and timer.

- To cancel the timer settings. (P.18)

- To adjust time.

RESET

FUNC.

Button

LIGHT

OFF

ROOM

TEMP

Display

Screen

To set the brightness of the display on the indoor unit. (P.19)

To display the room temperature.

Description

°C↔°F [5 s] To change unit between °C and °F (P.11)

COMFORT

AIR

ENERGY

CTRL

DIAGNOSIS

[5 s]

To adjust the air flow to deflect wind. (P.19)

To bring the effect of the power saving. (P.20)

To conveniently check maintenance information of a product. (P.25)

The Ion generator uses millions of ions to help improve indoor air quality. (P.21)

To reduce noise from outdoor units. (P.22) To maintain a minimum room temperature

and prevent objects in the room from freezing. (P.22)

To remove moisture generated inside the indoor unit. (P.22)

RESET - To initialize the remote control settings.

NOTE

• Press the SET/CANCEL button to operate the selected FUNC.

Restarting the Air Conditioner Automatically

When the air conditioner is turned on again after a power failure, this function restores the previous settings.

Disabling Auto Restart

Open the front panel.

• Lift up both sides of the panel slightly.

Press the ON/OFF button and hold it for 6

seconds, then the unit will beep twice and the lamp will blink twice 4 times.

• To re-enable the function, press the ON/OFF button and hold it for 6 seconds. The unit will beep twice and the lamp will blink 4 times.

Using the Mode Function

This function allows you to select the desired function.

Cooling & Heating Model

Cooling Mode

Auto Changeover Mode

Dehumidification Mode

Heating Mode

Fan Mode

Cooling Mode

Turn the appliance on.

Press MODE button repeatedly to select the

Cooling Mode.

• is displayed on the display screen.

NOTE

• The feature may be changed according to the type of model.

• 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 cooling air for 18 minutes and then returns to factory default settings.

Press or button to set the desired

temperature.

Heating Mode

Turn the appliance on.

Press MODE button repeatedly to select the

Heating Mode.

• is displayed on the display screen.

Press or button to set the desired

temperature.

NOTE

• will be displayed on the indoor unit when defrosting is operating.

Dehumidification Mode

This mode removes excess moisture from a highly humid environment or during the rainy season, in order to prevent mildew from setting in. This mode adjusts the room temperature and the fan speed automatically to maintain the optimal level of humidity.

Turn the appliance on.

Press MODE button repeatedly to select the

Dehumidification Mode.

• is displayed on the display screen.

NOTE

• In this mode you cannot adjust the room temperature, it is adjusted automatically.

• The room temperature is not displayed on the remote control.

• Furthermore, this indication will be displayed on the indoor unit:

−When preheating is operating.

−When the room temperature has been reached to the set temperature.

Fan Mode

This mode only circulates the indoor air without changing the room temperature.

Turn the appliance on.

Press MODE button repeatedly to select the Fan

Mode.

• is displayed on the display screen.

Press FAN SPEED button to adjust the fan

speed.

Auto Changeover Mode

This mode changes the mode automatically to maintain the set temperature at ±2 °C

Turn the appliance on.

Press MODE button repeatedly to select the Auto

Changeover Mode.

• is displayed on the display screen.

Press or button to set the desired

temperature.

Press FAN SPEED button to adjust the fan

speed.

Using the Jet Mode Function

Changing Room Temperature Quickly

This function allows you to cool indoor air quickly during the summer or warm it quickly during winter.

• Cooling & Heating model : The Jet Mode function is available with Cooling, Heating and Dehumidification Mode.

Turn the appliance on.

Press MODE button repeatedly to select the

desired mode.

Press JET MODE button.

• is displayed on the display screen.

NOTE

• In Jet Cooling Mode, strong air blows out for 30 minutes.

• After 30 minutes later, setting temperature is maintaining 18 °C If you want to change the temperature, Press or button to set the desired temperature.

• In Jet Heating Mode, strong air blows out for 30 minutes.

• After 30 minutes later, setting temperature is maintaining 30 °C If you want to change the temperature, Press or button to set the desired temperature.

→ →

→ → → →

SWING

Using the Fan Speed Function

Adjusting the Fan Speed

• Press FAN SPEED button repeatedly to adjust the fan speed.

Display Screen Speed

High

Medium - High

Medium

Medium - Low

Low

- Natural Wind

NOTE

• The fan speed of Natural Wind adjusts automatically.

• The fan speed icons are displayed on some indoor units.

Using the Air Flow Direction Function

This function adjusts the direction of the air flow vertically (horizontally).

• Press desired direction.

−Select ( ) to adjust the direction of the air flow automatically.

NOTE

• Adjusting the air flow direction horizontally 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 direction of air flow, so the air deflector may not match the icon displayed on the remote control. When this occurs, press or again.

• This function may operate differently from the remote control display.

(

) button repeatedly and select the

button to adjust the direction of the air flow

• Indoor unit display is displayed only 5 seconds and return to the setting temperature on some models.

TIMER

CANCEL

Setting the On/Off Timer

This function sets the air conditioner to turn on/off automatically at desired time.

On/Off Timer can be set together.

Setting the On Timer

Press

• The icon below blinks at the bottom of the display screen.

Press or button to select the minutes.

Press SET/CANCEL button to finish.

• After setting the timer, current time and icon are displayed on the display screen indicating that the desired time is set.

button repeatedly.

Setting the Off Timer

Press

• The icon below blinks at the bottom of the display screen.

Press or button to select the minutes.

Press SET/CANCEL button to finish.

• After setting the timer, current time and icon are displayed on the display screen indicating that the desired time is set.

NOTE

• This function is disabled when you set Simple Timer.

button repeatedly.

Canceling the Off Timer

Canceling the On Timer

Press

• The icon below blinks at the bottom of the display screen.

Press SET/CANCEL button to cancel the setting.

button repeatedly.

Press

• The icon below blinks at the bottom of the display screen.

Press SET/CANCEL button to cancel the setting.

button repeatedly.

Canceling the Timer Setting

• Press

button to cancel all timer settings.

TIMER

SWING

Using the Sleep Function

This function turns off the air conditioner automatically when you go to sleep.

Turn the appliance on.

Press

• The icon below blinks at the bottom of the display screen.

Press or button to select the hour (up to 7 hours).

Press SET/CANCEL button to finish.

• is displayed on the display screen.

NOTE

• is displayed on some indoor units.

• Indoor unit display is displayed from 1H to 7H which is displayed only 5 seconds and then return to the setting temperature.

• In the Cooling and Dehumidification Mode, the temperature increases by 1 °C after 30 minutes and additional 1 °C after another 30 minutes for a more comfortable sleep.

• The temperature increases up to 2 °C from the preset temperature.

• Although the remark for fan speed on the display screen may be changed, the fan speed is adjusted automatically.

button repeatedly.

Using the Light Off Function

Display Screen Brightness

You can set the brightness of the indoor unit display screen.

• Press LIGHT OFF button.

NOTE

• Turn on/off the Display screen.

Using the Comfort Air Function

Comfort Vane Operation

This function conveniently sets the vane to a preset position to deflect the supply air away from blowing directly onto the occupants in the room.

Turn the appliance on.

Press COMFORT AIR button repeatedly and

select the desired direction.

• or is displayed on the display screen.

NOTE

• or is displayed on some indoor units.

• This function is disabled when you press MODE or JET MODE button.

• This function is disabled and auto swing of vertical direction is set up when you press

• When this function is off, the horizontal vane operates automatically depending on the set mode.

button.

Using the Energy Control Function

Turn the appliance on.

Press ENERGY CTRL button.

• Press ENERGY CTRL button repeatedly to select each step.

1 step 2 step 3 step

NOTE

• 1 step : The power Input is decreased by 20 % compared to rated power input.

− is displayed on the display screen.

• 2 step : The power Input is decreased by 40 % compared to rated power input.

− is displayed on the display screen.

• 3 step : The power Input is decreased by 60 % compared to rated power input.

− is displayed on the display screen.

• This function is available with Cooling Mode.

• Capacity may decrease when Energy Control mode is selected.

• Desired temperature is displayed about 5 seconds if you press FAN SPEED, or button.

• Room temperature is displayed about 5 seconds if you press ROOM TEMP button.

Using Special Functions

Turn the appliance on.

Press FUNC button repeatedly to select the

desired function.

Press SET/CANCEL button to finish.

Display

Screen

The Ion generator uses millions of ions to help improve indoor air quality. (P.21)

To reduce noise from outdoor units. (P.22)

To maintain a minimum room

NOTE

• Some functions may not be supported, depending on the model.

• Some functions may operate differently from the remote control display.

temperature and prevent objects in the room from freezing. (P.22)

To remove moisture generated inside the indoor unit. (P.22)

Description

Canceling Special Functions

Press FUNC button repeatedly to select the

desired function.

Press SET/CANCEL button to cancel the

function.

Using the Air Purification Function

These functions supply clean and fresh air by ion particles and the filter.

Function Display Description

Ion particles from Ionizer sterilize the

Ionizer

Plasma

NOTE

• You can use this function without turning the air conditioner on.

• Both the plasma lamp and the cooling lamp light up while Smoke Away/Plasma is in operation on some models.

• Do not touch ionizer during operation.

• This function may operate differently from the remote control display.

aerial bacteria and other harmful substances.

It removes microscopic contaminants from the intake air completely to supply clean and fresh air.

SWING

Using the Silent Function

This function prevents potential claims by neighbors, reducing noise from outdoor units.

• is displayed on the display screen.

NOTE

• This function is disabled when you press MODE or ENERGY CTRL or JET MODE button.

• This function is available with Cooling, Heating, Auto Changeover, Auto Operation Mode.

Using the Low Heating Function

This function operates the heating system to maintain a minimum room temperature and prevent objects in the room from freezing where there is no permanent resident, such as a vacation.

• , are displayed on the display screen.

NOTE

• This function is available with Heating Mode.

• During LH operation, when you press buttons such as , , MODE, FAN SPEED, and then return to Heating Mode, 30 °C high speed.

• If JET MODE button is pressed during LH operation, this function is disabled and Power Heating Mode is operated immediately. (only for power heating model)

• In case an error occurred, operation can be interrupted for the protection of the product.

• COMFORT AIR and while the LH function is in operation.

button cannot be used

Using the Auto Clean Function

In the Cooling and Dehumidification Mode, moisture is generated inside the indoor unit. This function removes such moisture.

• is displayed on the display screen.

NOTE

• Some functions cannot be used while the Auto Clean function is in operation.

• If you turn off the unit, the fan continues to run for 30 minutes and cleans the inside of the indoor unit.

SMART FUNCTIONS

LG ThinQ Application

This feature is only available on models with the or ThinQ logo.

The LG ThinQ application allows you to communicate with the appliance using a smartphone.

LG ThinQ Application Features

Communicate with the appliance from a smartphone using the convenient smart features.

Smart Diagnosis

If you experience a problem while using the appliance, this smart diagnosis feature will help you diagnose the problem.

Settings

Allows you to set various options on the appliance and in the application.

NOTE

• If you change your wireless router, internet service provider, or password, delete the registered appliance from the LG ThinQ application and register it again.

• The application is subject to change for appliance improvement purposes without notice to users.

• Functions may vary by model.

Before Using LG ThinQ Application

Check the distance between the appliance and

the wireless router (Wi-Fi network).

• If the distance between the appliance and the wireless router is too far, the signal strength becomes weak. It may take a long time to register or installation may fail.

Turn off the Mobile data or Cellular Data on

your smartphone.

Connect your smartphone to the wireless router.

NOTE

• To verify the Wi-Fi connection, check that icon on the control panel is lit.

• The appliance supports 2.4 GHz Wi-Fi networks only. To check your network frequency, contact your Internet service provider or refer to your wireless router manual.

• LG ThinQ is not responsible for any network connection problems or any faults, malfunctions, or errors caused by network connection.

• If the appliance is having trouble connecting to the Wi-Fi network, it may be too far from the router. Purchase a Wi-Fi repeater (range extender) to improve the Wi-Fi signal strength.

• The Wi-Fi connection may not connect or may be interrupted because of the home network environment.

• The network connection may not work properly depending on the Internet service provider.

• The surrounding wireless environment can make the wireless network service run slowly.

• The appliance cannot be registered due to problems with the wireless signal transmission. Unplug the appliance and wait about a minute before trying again.

• If the firewall on your wireless router is enabled, disable the firewall or add an exception to it.

• The wireless network name (SSID) should be a combination of English letters and numbers. (Do not use special characters.)

• Smartphone user interface (UI) may vary depending on the mobile operating system (OS) and the manufacturer.

• If the security protocol of the router is set to WEP, you may fail to set up the network. Please change it to other security protocols (WPA2 is recommended) and register the product again.

Installing the LG ThinQ Application

Search for the LG ThinQ application from the Google Play Store or Apple App Store on a smartphone. Follow instructions to download and install the application.

Using the Wi-Fi Pairing Function

Once it is connected to the internet through a home Wi-Fi network, you can control the appliance remotely with the application for the smart phone.

• Press and hold the ENERGY CTRL and JET

MODE button simultaneously about 3 seconds.

NOTE

• It is not displayed on the wireless remote control.

• To verify the Wi-Fi connection, check that Wi-Fi icon on the control panel is lit.

Using the Wi-Fi Modem Power Off Function

To reduce power consumption, you can turn off the Wi-Fi modem.

• Press and hold the and FAN SPEED button simultaneously about 3 seconds.

NOTE

• It is not displayed on the wireless remote control.

• After product registration is completed, Wi-Fi modem is turned on when you apply Wi-Fi pairing function in Wi-Fi modem power off state, and it is available as a registered smart phone.

Open Source Software Notice Information

• To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit http://opensource.lge. com.

• In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.

• LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.com. This offer is valid for a period of three years after our last shipment of this product. This offer is valid to anyone in receipt of this information.

Smart Diagnosis

This feature is only available on models with the or logo.

Use this feature to help you diagnose and solve problems with your appliance.

NOTE

• For reasons not attributable to LGE’s negligence, the service may not operate due to external factors such as, but not limited to, Wi-Fi unavailability, Wi-Fi disconnection, local app store policy, or app unavailability.

• The feature may be subject to change without prior notice and may have a different form depending on where you are located.

Using LG ThinQ to Diagnose Issues

If you experience a problem with your Wi-Fi equipped appliance, it can transmit troubleshooting data to a smartphone using the LG ThinQ application.

• Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow the instructions provided in the LG ThinQ application.

Using Audible Diagnosis to Diagnose Issues

Follow the instructions below to use the audible diagnosis method.

• Launch the LG ThinQ application and select the Smart Diagnosis feature in the menu. Follow the instructions for audible diagnosis provided in the LG ThinQ application.

Plug the power plug in the outlet properly.

Place the mouthpiece of your smartphone close

to the or logo.

Press and hold the DIAGNOSIS [5 s] button for

5 seconds or longer while holding the smartphone mouthpiece to the logo until the data transfer is complete.

• Keep the smartphone in place until the data transfer has finished. Time remaining for data transfer is displayed.

After the data transfer is complete, the diagnosis

will be displayed in the application.

NOTE

• For best results, do not move the phone while the tones are being transmitted.

• Be sure to keep ambient noise to a minimum or the phone may not correctly receive the buzzer beeps from the indoor unit.

MAINTENANCE

WARNING

• Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops.

If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Clean the product regularly to maintain optimal performance and to prevent possible breakdown.

• Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power. There may be internal damage if moisture is left in its components.

• Before using the air conditioner again, dry the inner components of the air conditioner in Fan mode for 3 to 4 hours. This will help to remove the odor generated from moisture.

3M Filter

Air Filter

Type Description Interval

Air filter Clean with a vacuum or hand wash. 2 weeks 3M filter Clean with a vacuum or brush. Every 6 months

Ionizer Use dry cotton bud to remove any dust. Every 6 months

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

Indoor unit

Outdoor unit

Have a professional clean the condensate drain pan. Once a year Have a professional clean the condensate drain pipe. Every 4 months Replace the remote control batteries. Once a year Have a professional clean the heat exchanger coils and the

panel vents. (Consult with technician.) Have a professional clean the fan. Once a year Have a professional clean the condensate drain pan. Once a year Have a professional verify that all the fan assembly is firmly

tightened. Clean the electric components with air. Once a year

Once a year

Clean the Air Filter

Clean the air filters once every 2 weeks, or more, if necessary.

Turn off the power to the unit.

Open the front panel.

• Lift up both sides of the panel slightly.

Hold the knobs of the air filters, pull them down

slightly and remove them from the indoor unit.

Clean the filters with a vacuum cleaner or with

lukewarm water with neutral detergent.

Clean the 3M Filter

Turn off the power to the unit.

Remove the air filters from the indoor unit.

Pull out the 3M Filter.

Use a vacuum cleaner to remove dirt, Do not

wash the 3M Filter with water, because the filter can be damaged.

Dry the filter in the shade.

NOTE

• The air filter can be broken when it is bent.

• When the air filter is not assembled correctly, dust and other substances can enter into the indoor unit.

Clean the Ionizer

Turn off the power to the unit. Use dry cotton bud to remove any dust.

Ionizer

CAUTION

• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock.

• Never use water that is higher than 40 °C when you clean the filters. It may cause deformation or discoloration.

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

• Do not wash 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.

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 Calling for 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

Burning smell and strange sounds are coming from the unit.

Water leaks from the indoor unit even when the humidity level is

The air conditioner does not work normally.

The air conditioner does not work.

low. The power cable is damaged or it

is generating excessive heat. A switch, a circuit breaker (safety,

ground), or a fuse is not operated properly.

The unit generates an error code from its self-diagnosis.

The air conditioner is unplugged.

A fuse exploded, or the power supply is blocked.

A power failure has occurred.

The voltage is too high or too low.

The air conditioner was turned off automatically at a preset time.

The battery setting in the remote controller is incorrect.

• Turn off the air conditioner, switch OFF, or disconnect the power supply, and contact the service center.

• Check whether the power cord is plugged into the outlet or the power isolators are switched on.

• Replace the fuse or check if the circuit breaker has tripped.

• 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.

• Check if the circuit breaker has tripped.

• Turn the air conditioner on.

• Make sure that the batteries are inserted correctly in your remote controller.

• If the batteries are placed correctly, but the air conditioner still does not operate, replace the batteries and try again.

Problem Possible Causes Corrective Action

The air conditioner does not emit cool air.

The fan speed cannot be adjusted.

The temperature cannot be adjusted.

The air conditioner stops during operation.

The indoor unit is still operating even when the unit has been turned off.

The air outlet on the indoor unit is discharging mist.

Water leaks from the outdoor unit.

Air is not circulating properly.

blinds, or pieces of furniture blocking the front of the air conditioner.

• Clean the air filter once every 2 weeks.

• Make sure that there are no curtains,

The air filter is dirty.

• See “Clean the Air Filter” for more information.

• In summer, cooling the indoor air fully may

The room temperature is too high.

take some time. In this case, select the Jet Mode to cool the indoor air quickly.

Cold air is escaping from the room.

The desired temperature is higher than the current temperature.

• Make sure that no cold air is escaping through the ventilation points in the room.

• Set the desired temperature to a level lower than the current temperature.

• Avoid using heat generators like electric

There is a heating source nearby.

ovens or gas burners while the air conditioner is in operation.

• During Fan Mode, air blows from the air conditioner without cooling or heating the

Fan Mode is selected.

indoor air.

• Switch the operation mode to cooling operation.

Outside temperature is too high. • The cooling effect may not be sufficient.

• In some operation modes, you cannot

The Jet Mode, or Auto Operation Mode is selected.

adjust the fan speed. Select an operation mode in which you can adjust the fan speed.

• In some operation modes, you cannot

The Fan Mode or Jet Mode is selected.

adjust the temperature. Select an operation mode in which you can adjust the temperature.

The air conditioner is suddenly turned off.

• The Timer Function may have timed out, which turns the unit off. Check the timer settings.

• Wait for the power to come back. If you

A power failure has occurred during operation.

have the Auto Restart function enabled, your unit will resume its last operation several minutes after power is restored.

• Allow the Auto Clean function to continue

The Auto Clean function is being operated.

since it removes any remaining moisture inside the indoor unit. If you do not want this feature, you can turn the unit off.

The cooled air from the air conditioner makes mist.

In the heating operations, condensed water drops from the heat exchanger.

• When the room temperature decreases, this phenomenon will disappear.

• This symptom requires installing a drain hose under the base pan. Contact the installer.

Problem Possible Causes Corrective Action

There is noise or vibration.

The indoor unit gives off an odor.

The air conditioner does not emit warm air.

Your home appliance and smartphone is not connected to the Wi-Fi network.

A clicking sound can be heard when the unit starts or stops due to movement of the reversing valve. Creaking sound: The plastic parts of the indoor unit creak when they shrink or expand due to

• These are normal symptoms. The noise will stop.

sudden temperature changes. Flowing or Blowing sound: This is the flow of refrigerant through the air conditioner.

Odors (such as cigarette smoke) may be absorbed into the indoor unit and discharged with airflow.

When Heating Mode starts, the vane is almost closed, and no air comes out, even though the outdoor unit is operating.

• If the smell does not disappear, you need to wash the filter. If this does not work, contact the service center to clean your heat exchanger.

• This symptom is normal. Please wait until the unit has generated enough warm air to blow through the indoor unit.

• In Heating Mode, ice/frost is built up on

The outdoor unit is in Defrosting Mode.

the coils when the outside temperature falls. This function removes a layer of frost on the coil, and it should finish in approximately 15 minutes.

Outside temperature is too low. • The heating effect may not be sufficient. The password for the Wi-Fi that

you are trying to connect to is incorrect.

Mobile data for your smartphone is turned on.

The wireless network name (SSID) is set incorrectly.

• Find the Wi-Fi network connected to your smartphone and remove it, then register your appliance on LG ThinQ.

• Turn off the Mobile data of your smartphone and register the appliance using the Wi-Fi network.

• The wireless network name (SSID) should be a combination of English letters and numbers. (Do not use special characters.)

• Only a 2.4 GHz router frequency is supported. Set the wireless router to 2.4

The router frequency is not 2.4 GHz.

GHz and connect the appliance to the wireless router. To check the router frequency, check with your Internet service provider or the router manufacturer.

• If the distance between the appliance and

The distance between the appliance and the router is too far.

the router is too far, the signal may be weak and the connection may not be configured correctly. Move the location of the router so that it is closer to the appliance.

NOTE

• Some functions may not be supported, depending on the model.

Memo

LG F12KM User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual