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USER MANUAL P12RL LG
Please read this manual carefully before operating your set and retain it for future reference.
TYPE : WALL MOUNTED
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 conditioner 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 :
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 malfunction, 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. Failure 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 explosion 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. Failure 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 serious 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 flammable gas may cause fire or explosion.
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. Failure 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 flooding. 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.
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 inconvenience 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 result in serious injury.
- Do not install the air conditioner where it will be exposed to sea wind (salt spray) directly. It may result in product failure.
Operation
- Do not expose people, animals or plants to the cold or hot wind from the air conditioner. It may result in serious injury.
- Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer 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 serious 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 operating. 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.
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
BEFORE USE
Components
Indoor unit

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Air inlet ON/OFF button Air filter Front grille 3M filter Ionizer Horizontal vane Operation lamp Signal Receiver Air outlet Vertical louver* The feature can be changed according a type of model.
NOTE
The number of operation lamps and their locations may vary, depending on the model of the air conditioner.
Outdoor unit

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Air inlet vents Air outlet vents Base plate Coolant piping Drain hose Connection wire* 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

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Display screen Control panel LG| Control panel | Display screen | Description |
![]() | (###) | IONIZER button*: Ionizer sterilize the aerial bacteria and other harmful substances. |
![]() | Sleep mode auto button*: Sets the sleep mode auto operation. | |
| (###) | Temperature adjustment buttons: Adjusts the room temperature when cooling and heating. | |
| - | On/Off button: Turns the power on/off. | |
| Indoor fan speed button: Adjusts the fan speed. | ||
| Operation mode selection button*: Selects the operation mode.Cooling operation (*) / Auto operation or auto changeover (AI) / Dehumidifying operation (() / Heating operation (✗) / Air circulation (✗) | ||
| Jet cooling/heating button*: Warms up or cools down the indoor temperature within a short period of time. | ||
| Air flow direction button: Adjusts the air flow direction vertically. | ||
| Temperature display button: Displays the room temperature. Also changes unit from °C to °F if pressed for 5 seconds. | ||
| Timer button: Sets the current time and the start / end time. | ||
| Navigation and functions button*: Adjusts the time and sets the special functions. perates SILENT mode / ☑ Oper-E/Control mode / ☐: Auto clean t Mode and E/Control are not available at the same time | ||
| clear button: Sets or cancels functions. | ||
Inserting batteries
Insert batteries before using the remote control. The battery type used is AAA (1.5 V).
1 Remove the battery cover.

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Technical diagram of a remote control casing with labeled parts 1 and 22 Insert the new batteries and make sure that the + and – terminals of the batteries are installed correctly.

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Technical line drawing of a remote control device with internal components and a directional arrow (no text or symbols)3 Reattach the battery cover.

NOTE
If the display screen of the remote control starts to fade, replace the batteries.
Installing the remote control holder
Install the holder where there is no direct sunlight 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 attaching it to the wall.
3 Fix the holder by fastening the 2 screws firmly with a screwdriver.

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Technical line drawing of a mechanical component with a screwdriver and base (no text or symbols)4 Slide the remote control into the holder.

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CASHIOperating method
Point the remote control towards the signal receiver at the bottom of the air conditioner to operate it.

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Line drawing of a wall-mounted air conditioner unit with a remote control panel and wireless signal icon (no text or symbols)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.
BASIC FUNCTIONS
Cooling your room
(Cooling operation)
1 Press ⏻ to turn on the power.
2 Press MODE repeatedly to select the cooling operation.
- ✱ is displayed on the display screen.

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18°C AM 12:003 Press ⬇ or ⬇ to set the desired temperature.
- 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 MODE repeatedly to select the heating operation.
-☀️ is displayed on the display screen.

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30°C AM 12:003 Press ⬤ or ⬇ to set the desired temperature.
- The temperature range is 16^ C ( 60^ F) \~ 30^ C ( 86^ F).
NOTE
Cooling-only models do not support this function.
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 MODE repeatedly to select the dehumidifying operation.
- ⬇ is displayed on the display screen.

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B D AM 12:00 12:00NOTE
- In this mode you cannot adjust the room temperature, as it is adjusted automatically. Also, the room temperature is not displayed on the display screen.
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 MODE to select the air circulation operation.
- ✿ is displayed on the display screen.

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AM 12:003 Press FAN SPEED to adjust the fan speed.
Adjusting the fan speed
1 Press 🟢 repeatedly to adjust the fan speed.
- Select ≈ if you want natural air. The fan speed adjusts automatically.
| Remark | Speed |
| High | |
| Medium | |
| Low | |
| Natural Wind |
Adjusting the air flow direction
1 To adjust the direction of the air flow horizontally, press SWING repeatedly and select the desired direction.
- Select 📋 to adjust the direction of the air flow automatically.
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 direction of air flow, so the air deflector may not match the icon displayed on the remote control. When this occurs, press SWING to adjust the direction of the air flow again.
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 SET CLEAR and hold it for longer than 3 seconds.
- The AM/PM icon flickers at the bottom of the display screen.

2 Press √ or ∧ to select the minutes.
3 Press SET CLEAR to finish.
Turning on the air conditioner automatically at a set time
1 Press ON.
- The icon below flickers at the bottom of the display screen.

2 Press √ or ∧ to select the minutes.
3 Press to finish.
Turning off the air conditioner automatically at a set time
1 Press OFF.
- The icon below flickers at the bottom of the display screen.

2 Press √ or ∧ to select the minutes.
3 Press to finish.
Canceling the timer setting
1 Press ON or OFF to select the timer setting to cancel.
2 Press SET CLEAR.
- To cancel all timer settings, press SET CLEAR.
Setting sleep mode
Use the sleep mode to turn off the air conditioner automatically when you go to sleep.
1 Press ⏻ to turn on the power.
2 Press SLEEP
3 Press √ or ∧ to select the hour (up to 7 hours).
4 Press to finish.
- ☆ is displayed on the display screen in sleep mode.

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18°C 1hr. AM 12:00NOTE
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.
ADVANCED FUNCTIONS
The air conditioner offers some additional advanced 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 ⒿJET MODE.

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Po AM 12:00- 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.
NOTE
- In Air Circulation, Auto, or Auto Changeover mode, this function cannot be used.
- This function may not be supported, depending on the model.
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 A/CLEAN.
- ≡ is displayed on the display screen.

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18°C AM 12:00- If you turn off the power, the fan operates for 30 minutes and cleans the inside of the indoor unit.
NOTE
Some buttons cannot be used while the auto cleaning function is in operation.
Auto operation (Artificial intelligence)
Cooling-only models
In this mode, the fan speed and the temperature adjust automatically, based on the room temperature.
1 Press ⏻ to turn on the power.
2 Press MODE repeatedly to select auto operation.
3 Press √ or ∧ to select the desired operation code if the temperature is higher or lower than the desired temperature.

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Code Description 2 Cool 1 Cool slightly 0 Maintain room temperature -1 Heat slightly -2 HeatNOTE
- 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, depending on the model.
Auto Changeover operation
This mode changes the operation mode automatically to maintain the set temperature at ±2^ .
1 Press ⏻ to turn on the power.
2 Press MODE repeatedly to select the auto changeover operation.
- AI is displayed on the display screen.

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AI 22°C AM12:003 Press √ or ∧ to set the desired temperature.
- The temperature range is 18^ C ( 64^ F) \~ 30^ C ( 86^ F).
4 Press FAN SPEED repeatedly to select the fan speed.
NOTE
This function may not be supported, depending 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 compared to the rated sound pressure
1 Press ⏻ to turn the power on.
2 Press SILENT.
- is displayed on the display screen.

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18°C AM 12:00Silent 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)
NOTE
- Setting available only under operation-ON Silent Mode and E/Control are not available 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.
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 ENERGY CONTR.
- ↗ is displayed on the display screen.

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AM 12:001 Step Entrance

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AM 12:002 Step Entrance
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)
NOTE
- In Cooling mode, this function can be used.
- Every time E/Control on wireless remote controller is pressed, 1Step, 2Step, functions release are repeated and switched. Wanted temperature appears for 5 sec.
- Capacity may decrease when outdoor unit Energy Control mode is selected.
Display screen brightness
You can adjust the brightness of the indoor unit display screen.
1 Press LIGHT repeatedly to set the brightness to the desired level.
NOTE
This function may not be supported, depending on the model.
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.

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Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.* The feature can be changed according to type of model.
2 Press the On/Off button.

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ON/OFF button* The feature can be changed according to type of model.
- For cooling and heating models, the operation mode changes, depending on the room temperature.
| Room temp. | Set temp. | Operation mode |
| Below 21°C | 24°C | Heating operation |
| Above 21°C and below 24°C | 23°C | Dehumidifying operation |
| Above 24°C | 22°C | Cooling operation |
- For cooling only models, the temperature is set to 22^ C ( 71.6^ F).
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 factory default setting.
Disabling auto restart
1 Open the front cover.
- Lift up both sides of the cover slightly.

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Diagram of a car air conditioner unit with labeled parts and directional arrows indicating airflow or movement.* The feature can be changed according to type of model.
2 Press the On/Off button and hold it for 6 seconds.
- The unit will beep twice and the lamp will blink 6 times.

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ON/OFF button* The feature can be changed according to type of model.
- 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.
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 settings.
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 IONIZER.
- is displayed on the display screen.

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18°C AM 12:00NOTE
- You can use this function by pressing IONIZER without turning the air conditioner on.
- This function may not be supported, depending on the model.
- Do not touch lonizer during operation.
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 components.
2 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 odor which is generated from moisture.
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.

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Line drawing of a hand cleaning a rectangular air conditioner unit (no text or symbols)* The feature can be changed according a type of model.
| 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 |

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 hotter than 40^ 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 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.
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.

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Pure diagram of a rectangular container with hexagonal patterns inside, no text or symbols presentCleaning 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.

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Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.* The feature can be changed according to type of model.
3 Hold the knob of the air filter, lift it up slightly and remove it from the unit.

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Technical line drawing of an air conditioner unit with labeled parts (no text or symbols)* The feature can be changed according to 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.

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Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)* The feature can be changed according to type of model.
4 Use a vacuum cleaner to remove dirt, Do not wash the Micro Dust Filter powered by 3M Tech with water, because the filter can be damaged.
NOTE
• We suggest changing the 3M filter every 6 Months
- The location of the filters may differ, depending on the model.
- If you need more filters, please contact the LG service center (Reger to the warranty card)
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 automatically at a preset time. | Press the power button again. | |
| 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 information. | |
| The room temperature 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 temperature 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 operation is selected. | In the air circulation operation, air blows from the air conditioner without cooling or heating the indoor air. Switch the operation mode to the cooling operation. | |
| It is not possible to adjust the fan speed. | The auto operation, jet operation or dehumidifying operation is selected. | In some operation modes, such as the jet or dehumidifying operation modes, you cannot adjust the fan speed. Select an operation mode in which you can adjust the fan speed. |
| It is not possible to adjust the temperature. | The air circulation operation or jet operation is selected. | In some operation modes, such as the air circulation or jet operation mode, you cannot adjust the temperature. Select an operation mode in which you can adjust the temperature. |
MANUALE DEL'UTENTE
CLIMATIZZATORE
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Diagram of a mobile phone with control buttons and a downward arrow indicating action or change.Metodo di utilizzo
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NOTA
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18°C AM 12:00text_image
30°C AM 12:003 Premere ⬇ o √ per impostare la temperatura desiderata.
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Po AM 12:00text_image
18°C AM 12:00text_image
18°C AM 12:00text_image
Wire LL AM 12:00Avvio di 2Step
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18°C AM 12:00NOTA
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Pure diagram of a rectangular container with hexagonal patterns inside, no text or symbols present.text_image
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Technical line drawing of an air conditioner unit with labeled parts (no text or symbols)natural_image
Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)11 - Setting the current time
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Technical diagram of a remote control casing with labeled parts 1, 2, and directional arrows indicating movement or positioning.natural_image
Technical line drawing of a remote control panel with handle and buttons (no text or symbols)natural_image
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Diagram of a mobile phone with control buttons and a downward arrow indicating action or change.Método de uso
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NOTA
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18°C AM 12:00text_image
30°C AM 12:00Setting the current time
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Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM 12:004 Pulse FAN SPEED repeatedly to select the fan speed.
NOTA
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18°C AM 12:00text_image
LL AM 12:00Entrada Paso 2
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Diagram of an air conditioner unit with labeled parts and airflow direction arrowstext_image
18°C AM 12:00NOTA
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Diagram of an air conditioner unit with labeled parts and airflow direction arrowstext_image
Technical diagram of an air conditioner unit with labeled parts and component indicatorsnatural_image
Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control panel with labeled components 1, 2, and 3natural_image
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REMARQUE
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18°C AM 12:001 Appuyez sur Ⓗ and hold it for longer than 3 seconds.
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Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM12:00text_image
18°C AM 12:00text_image
LL AM 12:00Entrée de l'étape2
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Diagram of a car air conditioner unit with labeled parts and directional arrows indicating airflow or movement.text_image
18°C AM 12:00! REMARQUE
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Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.natural_image
Technical line drawing of an air conditioner unit with labeled parts (no text or symbols)natural_image
Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled components 1, 2, and 3natural_image
Technical line drawing of a remote control device with internal components and a handle (no text or symbols)natural_image
Technical line drawing of a mechanical component with a screwdriver and cylindrical shaft (no text or symbols)text_image
Diagram of a mobile phone with control buttons and a downward arrow indicating function or change.Bedienung
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HINWEIS
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18°C AM 12:00text_image
30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
18°C AM 12:00text_image
UL AM 12:00Stufe 2
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Technical line drawing of a car air duct system with ON/OFF label (no text or symbols beyond label)text_image
18°C AM 12:00! HINWEIS
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Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.natural_image
Technical line drawing of an air conditioner unit with labeled components (no text or symbols)natural_image
Technical illustration of an air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled parts 1, 2, and directional arrows indicating movement or assembly.natural_image
Technical line drawing of a remote control panel with handle and buttons (no text or symbols)natural_image
Technical line drawing of a mechanical component with a cylindrical shaft and internal structure (no text or symbols)text_image
Diagram of a mobile phone with control buttons and a downward arrow indicating function or change.Μέθοδος λειτουργίας
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Diagram of a wall-mounted air conditioner unit connected to a mobile phone with wireless signal icon (no text or symbols)
ΣΗΜΕΙΩΣΗ
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18°C AM 12:00text_image
30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM12:00text_image
18°C AM 12:00text_image
Wire L AM 12:00Εισαγωγή Βήματος 1

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LL AM 12:00Εισαγωγή Βήματος 2
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Diagram of a car air conditioner unit with labeled parts and directional arrows indicating airflow or movement.natural_image
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18°C AM 12:00! ΣΗΜΕΙΩΣΗ
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Pure diagram of a rectangular container with hexagonal patterns inside, no text or symbols presenttext_image
Diagram of a car air conditioner unit with labeled parts and directional arrows indicating airflow or movement.natural_image
Technical line drawing of an air conditioner unit with labeled components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled components 1, 2, and 3natural_image
Technical line drawing of a remote control panel with internal components and a handle (no text or symbols)natural_image
Technical line drawing of a mechanical component with a screwdriver and base (no text or symbols)natural_image
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Line drawing of a wall-mounted air conditioner unit with a remote control panel and wireless signal icon (no text or symbols)NOTA
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18°C AM 12:003 Pressionar ⬇ ou ⬇ para definir a temperatura desejada.
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30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
18°C AM 12:00text_image
LL AM 12:002 etapa de entrada
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Technical line drawing of a car air conditioner unit with ON/OFF labeling (no text or symbols beyond label)text_image
Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.text_image
18°C AM 12:00NOTA
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Simple line drawing of a rectangular container with hexagonal patterns on one side and a small oval on the other (no text or symbols)Limpeza do filtro de ar
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Diagram of a car air conditioner with labeled parts and airflow direction arrowsnatural_image
Technical line drawing of an air conditioner unit showing internal components and ventilation slots (no text or labels)natural_image
Diagram of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled parts 1, 2, and directional arrows indicating movement or positioning.natural_image
Technical line drawing of a remote control panel with internal components and a handle (no text or symbols)natural_image
Technical line drawing of a mechanical component with a screwdriver and base (no text or symbols)natural_image
Line drawing of a mobile phone with keypad and buttons, showing a downward arrow (no text or symbols)Gebruikshandleiding
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Line drawing of a wall-mounted air conditioner unit with a mobile phone icon and wireless signal symbol (no text or labels)! N.B.
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18°C AM 12:00text_image
30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
18°C AM 12:00text_image
LL AM 12:00Ingangsstap 2
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Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movementtext_image
18°C AM 12:00N.B.
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Pure electrical circuit lines without any symbolsLuchtfilter schoonmaken
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Diagram of an air conditioner unit with labeled parts and airflow direction arrowsnatural_image
Technical line drawing of an air conditioner unit with labeled parts (no text or symbols)natural_image
Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled parts 1, 2, and directional arrows indicating movement or assembly.natural_image
Technical line drawing of a remote control casing with internal components and a directional arrow (no text or symbols)natural_image
Technical line drawing of a mechanical component with a screwdriver (no text or symbols)text_image
Diagram of a mobile phone with control buttons and a downward arrow indicating function or operation.Sposób działania
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UWAGA
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18°C AM 12:00text_image
30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM 12:00text_image
18°C AM 12:00text_image
LL AM 12:00Krok 2 — wejście
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Diagram of an air conditioner unit with labeled parts and airflow direction arrowstext_image
18°C AM 12:00! UWAGA
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Pure electrical circuit lines without any symbolstext_image
Diagram of an air conditioner unit with labeled parts and directional arrows indicating airflow or movement.natural_image
Technical line drawing of an air conditioner unit showing internal components and ventilation slots (no text or labels)natural_image
Technical line drawing of a car air conditioner unit with a magnified inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled parts 1, 2, and directional arrows indicating movement or assembly.natural_image
Line drawing of a remote control device with internal components and a handle (no text or symbols)natural_image
Technical line drawing of a mechanical component with a tool and dimension lines (no text or symbols)text_image
Diagram of a mobile phone with control buttons and a downward arrow indicating action or change.A használat módja
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Diagram showing a wall-mounted air conditioner unit connected to a remote control with wireless signal icons (no text or labels)
MEGJEGYZÉS
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18°C AM 12:00text_image
30°C AM 12:00text_image
Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM 12:00text_image
18°C AM 12:00text_image
LL AM 12:002 lépés
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Diagram of an air conditioner unit with labeled parts and airflow direction arrowsnatural_image
Technical line drawing of a car air conditioner unit with ON/OFF labeling (no text or symbols beyond label)text_image
18°C AM 12:00! MEGJEGYZÉS
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Pure diagram of a rectangular container with hexagonal patterns inside, no text or symbols present.text_image
Diagram of an air conditioner unit with labeled parts and airflow direction arrowsnatural_image
Technical line drawing of an air conditioner unit with labeled parts (no text or symbols)natural_image
Technical illustration of an air conditioner unit with a close-up inset showing internal components (no text or symbols)text_image
Technical diagram of a remote control casing with labeled components 1, 2, and 3natural_image
Technical line drawing of a cylindrical device with internal components and a handle (no text or symbols)natural_image
Technical line drawing of a mechanical component with a tool and dimension annotation (no text or symbols)natural_image
Line drawing of a mobile phone with keypad and control buttons (no text or symbols)Начин на работа на климатика
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Line drawing of a wall-mounted air conditioner unit connected to a mobile phone with wireless signal icon (no text or symbols)
БЕЛЕЖКА
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18°C AM 12:00text_image
30°C AM 12:00text_image
B A AM 12:00! БЕЛЕЖКА
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Po AM 12:00text_image
18°C AM 12:00text_image
AI 22°C AM 12:00text_image
18°C AM 12:00text_image
LL AM 12:002 Стъпка Секция

