LG MA12R Owner's Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. MA12R
  6. Owner's manual
LG MA12R Owner's Manual

LG MA12R Owner's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OWNER'S MANUAL
AIR CONDITIONER
Read this owner's manual thoroughly before operating the
appliance and keep it handy for reference at all times.
ENGLISH
Wall Mounted
MFL72146103
Rev.00_061224
Copyright © 2024 LG Electronics Inc. All Rights Reserved.
www.lg.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MA12R and is the answer not in the manual?

Questions and answers

Related Manuals for LG MA12R

Summary of Contents for LG MA12R

  • Page 1 OWNER'S MANUAL AIR CONDITIONER Read this owner’s manual thoroughly before operating the appliance and keep it handy for reference at all times. ENGLISH Wall Mounted www.lg.com MFL72146103 Rev.00_061224 Copyright © 2024 LG Electronics Inc. All Rights Reserved.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS This manual may contain images or content that may be different from the model you purchased. This manual is subject to revision by the manufacturer. IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE ............ 4 Safety Messages....................4 Notes for Flammable Refrigerant ..............5 WARNING INSTRUCTIONS .................
  • Page 3 Operating with the Wireless Remote Control..........23 Cooling, Auto, Dehumidification, Heating, Fan Mode ........23 Jet Mode ......................24 Adjusting the Fan Speed ...................25 Adjusting the Airflow Direction ................25 On and Off Timer ....................26 Sleep Function (On Some Models) ..............28 Light Off Function (On Some Models) .............29 Energy Saving Function (On Some Models)............29 Checking Room Temperature................29 Special Functions Overview ..............

  • Page 4: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE Safety Messages 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.

  • Page 5: Notes For Flammable Refrigerant

    IMPORTANT SAFETY INSTRUCTIONS Notes for Flammable Refrigerant The following symbols are displayed on units. This symbol indicates that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire. This symbol indicates that the Owner's Manual should be read carefully.

  • Page 6: Installation

    IMPORTANT SAFETY INSTRUCTIONS responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. • Installation or repairs made by unauthorized persons can pose hazards to you and others. • 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.
  • Page 7 • Do not install the product on a defective installation stand. • Be sure the installation area does not deteriorate with age. • Be sure to only use accessories made by LG which are specifically designed for use with the equipment and have them installed by a professional.

  • Page 8: Operation

    IMPORTANT SAFETY INSTRUCTIONS • Use non-flammable gas (nitrogen) to check for leaks and to purge air; using compressed air or flammable gas may cause fire or explosion. Operation • Do not modify or extend the power cable. Scratches or peeling insulation on the power cables may result in fire or electric shock, and the cables should be replaced.

  • Page 9: Wireless Remote Control

    IMPORTANT SAFETY INSTRUCTIONS • In the event of a gas leak (such as Freon, propane gas, or LP gas), ventilate sufficiently before using the air conditioner again. • Stop operation and close the window during a storm or hurricane. If possible, remove the product from the window before the hurricane arrives.
  • Page 10 IMPORTANT SAFETY INSTRUCTIONS • Use only the refrigerant specified on the air conditioner label. • Do not input air or gas into the system except the specified refrigerant. • Do not touch the leaking refrigerant during installation or repair. • If the refrigerant gas leaks during the installation, ventilate the area immediately.

  • Page 11: Caution Instructions

    IMPORTANT SAFETY INSTRUCTIONS • 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.

  • Page 12: Operation

    IMPORTANT SAFETY INSTRUCTIONS Operation • Do not drink the water drained from the air conditioner. • Do not place objects in direct proximity to the outdoor unit and do not let leaves and other debris accumulate around the unit. Leaves are a hotbed for small animals which can enter the unit.
  • Page 13 IMPORTANT SAFETY INSTRUCTIONS • Never touch the metal parts of the air conditioner when removing the air filter. • Tear apart and throw away plastic packaging bags so that children will not play with them. • When the product will not be used for a long time, disconnect the power supply plug or turn off the breaker.

  • Page 14: Operation Before Use

    OPERATION OPERATION Before Use Notes for Operation • Adjust the direction of the airflow vertically or horizontally to circulate indoor air. • Speed up the fan to cool or warm indoor air quickly, within a short period of time. • Turn off the appliance and periodically open windows for ventilation. The indoor air quality may deteriorate if the appliance is used for long periods.

  • Page 15: Product Overview

    OPERATION Product Overview Wall-Mounted Unit Wireless Remote Control Receiver Contains the receiver for the wireless remote. Front Panel Protects the product. Air Outlet Vents Circulates air back into the room at the desired temperature. Power Button Turns the product on or off. Air Filter Adjusts the airflow direction left or right and reduces dust in the air.

  • Page 16: Manual Operation

    OPERATION Manual Operation If your wireless remote control is unavailable, turn the appliance on or off by pressing the Power button on the indoor unit. • Press the Power button NOTE • Features may change depending on the model type. •...

  • Page 17: Fan Speed And Cooling Capacity

    OPERATION - You hear 2 beeps and the indicator light terminals of the batteries are oriented pulses 4 times. correctly. Reattach the cover by sliding it back into position. NOTE • When the wireless remote control display begins NOTE to fade, replace the AAA (1.5 V) batteries. •...

  • Page 18: Setting The Current Time On The Wireless Remote Control

    OPERATION Press the SET/CANCEL button to stop the NOTE flashing. • The remote controller should never be exposed to direct sunlight. • The signal transmitter and receiver should always be clean for proper communication. Use a soft cloth to clean them. •...

  • Page 19: Wireless Remote Control Overview

    OPERATION Wireless Remote Control Overview Wireless Remote Control Use the wireless remote control to operate the appliance more conveniently.
  • Page 20 OPERATION Buttons Image Description COMFORT AIR Adjusts the airflow to deflect wind Power Turns the appliance on/off LIGHT OFF Turns the indoor unit display on or off MODE Selects the desired operating mode • Each press changes the modes in this order: Cooling Auto Dehumidification Heating...
  • Page 21 OPERATION Image Description ROOM TEMP (Room Temperature) Displays the room temperature DIAGNOSIS [5s] Press and hold the ROOM TEMP (Room Temperature) button for about 5 seconds to easily check the check maintenance information of an appliance. FUNC. (Function) Sets the various function or changes the temperature unit Timer Setting Adjusts the time on the display SET/CANCEL...
  • Page 22 OPERATION Icons Cooling Mode Dehumidification Mode Heating Mode Fan Mode Auto Mode Up-Down Swing Left-Right Swing Energy Control Function Energy Saving Function Room Temperature Desired Temperature Adjusting the Fan Speed Air Purification Function Mosquito Away Function Silent Function Ion Care Function Jet Dry Function Low Heating Function Gen Mode (Running the appliance on a...

  • Page 23: Using Wireless Remote Control

    OPERATION Using Wireless Remote Press the MODE button repeatedly to select Control the desired mode. Operating with the Wireless Remote Control Point the wireless remote control towards the signal receiver at the right side of the appliance to operate it. Icon Description Cooling Mode...

  • Page 24: Jet Mode

    OPERATION • Dehumidification, Fan Mode: There is no Auto Mode temperature control. • You can use the FAN SPEED button during the auto mode. • You can change other operation mode manually during the auto mode. Fan Mode • When running ventilation, compressor of AHU doesn't work.

  • Page 25: Adjusting The Fan Speed

    OPERATION Press the JET MODE button. Wireless Remote Speed Control Icon High Medium - High Medium • Jet Cooling Mode Strong cool air blows out for 30 minutes. Medium - Low After 30 minutes, the temperature is maintained at 64 ) by default.

  • Page 26: On And Off Timer

    OPERATION On and Off Timer - Select to adjust the up-down direction of the airflow automatically. You can set the appliance to turn on and off automatically at a desired time. The On Timer and Off Timer can be set together. Setting the On Timer This function can be set when the appliance is turned on or off.
  • Page 27 OPERATION Cancelling the On Timer Press the button to set the desired time. Press the TIMER button repeatedly. • The icon below flashes at the bottom of the display screen. Press the SET/CANCEL button to stop the icon from flashing. •...

  • Page 28: Sleep Function (On Some Models)

    OPERATION Press the SET/CANCEL button to cancel the Press the button to set the desired setting. time. • The time can be set up to 7 hours. Cancelling the Timer Setting • Press the CANCEL button to cancel all timer Press the SET/CANCEL button to stop the icon settings.

  • Page 29: Light Off Function (On Some Models)

    OPERATION Light Off Function (On Some Press the MODE button repeatedly to select Models) the Cooling mode. You can set the brightness of the indoor unit display screen. • Press the LIGHT OFF button. Press the ENERGY SAVING button NOTE •...
  • Page 30 OPERATION • Press the ROOM TEMP button. The current room temperature is briefly displayed on the wireless remote control screen for awhile.

  • Page 31: Special Functions Overview

    OPERATION Special Functions Overview Special Functions Icon Description Auto Clean Function Reduces moisture generated inside the indoor unit NOTE • Some functions may not be supported, depending on the model. • Some functions may operate differently from the wireless remote control display.

  • Page 32: Using Special Functions

    OPERATION Using Special Functions Press the SET/CANCEL button to cancel the function. Setting and Cancelling Special Functions Setting the Special Functions Turn the appliance on. Press the FUNC. (Function) button repeatedly Auto Clean Function (On Some to select the desired function. Models) In the Cooling and Dehumidification modes, moisture is generated inside the indoor unit.

  • Page 33: Maintenance Cleaning

    MAINTENANCE MAINTENANCE Cleaning Cleaning Interval WARNING • Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. Cleaning the Appliance If the appliance will not be used for an extended period of time, dry the appliance to maintain it in the best condition.
  • Page 34 MAINTENANCE Type Description Interval Have a professional clean the heat exchanger coils and the Once a year panel vents. (Consult with technician.) Have a professional clean the fan. Once a year Outdoor unit Have a professional clean the condensate drain pan. Once a year Have a professional verify that all the fan assembly is firmly Once a year...

  • Page 35: Cleaning The Air Filter

    MAINTENANCE Cleaning the Air Filter Dry the filter in the shade. NOTE • Do not bend the air filter, as it may break. • Assemble the air filter properly to prevent dust and other substances from entering the product. Turn off the power to the appliance. Reassemble the air filter Pull out the upper section of the front panel and lift it up to release the tab.

  • Page 36: Replace Picture Or Photograph

    MAINTENANCE Replace Picture or Photograph Turn the picture and mat face down and remove the protective tape on the mat. Turn off the power and pull the top part of the front panel forward. Center your picture or photo on the back of the removed photo.

  • Page 37: Tips For Maintenance

    MAINTENANCE Reassemble the links on either side of the Check that the ground wire is connected lower front panel to lock it in place. You can correctly. now turn on the product. • The ground wire may be connected to the side of the indoor unit.

  • Page 38: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Before Calling for Service Please check the following before you contact the service center. If the problem persists, contact your local service center. NOTE • Some functions may not be supported, depending on the model. Self-Diagnosis Function This appliance has a built-in Self-Diagnosis function. If an error occurs, the LED of the indoor unit will flash in 2-second intervals.
  • Page 39 TROUBLESHOOTING Symptoms Possible Cause & Solution The fan speed cannot The airflow generated by the air conditioner may be automatically be adjusted. adjusted during operation. • When the air conditioner reaches the set temperature, it reduces the airflow rate to avoid generating cool airflow when heating, or to minimize energy consumption and indoor humidity change when cooling.
  • Page 40 TROUBLESHOOTING Symptoms Possible Cause & Solution The appliance does not Air is not circulating properly. emit cool air. • Make sure that there are no curtains, blinds, or pieces of furniture blocking the front of the appliance. The air filter is dirty. •...

  • Page 41: Performance

    TROUBLESHOOTING Symptoms Possible Cause & Solution The air conditioner When the appliance reaches the desired temperature, the airflow rate changes generated reduces in order to avoid generating cool airflow during heating, or to airflow during minimize energy consumption and indoor humidity change during operation.

  • Page 42: Calling For Service

    TROUBLESHOOTING Symptoms Possible Cause & Solution The indoor unit gives Odours (such as cigarette smoke) may be absorbed into the indoor unit off an odour. and discharged with airflow. • If the smell does not disappear, you need to wash the filter. If this does not work, contact the service centre to clean your heat exchanger.
  • Page 43 Memo...
  • Page 44 Memo...
  • Page 45 LG Electronics Inc. Single Point of Contact (EU/UK) : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands Manufacturer : LG Electronics Inc. 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA UK Importer: LG Electronics U.K. Ltd...

Table of Contents