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Room Air Conditioner
OWNER'S MANUAL
• Please read carefully and thoroughly this manual
before operating this unit.
• Contact the authorized SVC man for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The appliance is not intended for use by young
children or infirm persons without supervision.
• Young children should be supervised to ensure that
they do not play with the appliance.
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Table of Contents
Related Manuals for LG LSC121PMA
Summarization of Contents
Safety Precautions
Understanding Safety Symbols
Explains warning and caution symbols indicating risk of death or injury.
Essential Safety Actions
Lists critical actions to prevent injury and damage, categorized by risk.
Additional Safety Warnings
Further warnings and cautions for safe operation and maintenance.
Handling and Cleaning Precautions
Specific advice on unpacking, cleaning, and handling the unit safely.
Operating Instructions
Remote Control Battery Installation
Step-by-step guide to inserting batteries into the remote control.
Remote Control Usage Tips
Advice on storing and using the remote control effectively.
Signal Receptor and Indicator Lamps
Explains the function of the signal receptor and various operation indicator lamps.
Remote Control Features Overview
Detailed explanation of buttons and functions on the remote control.
Operation Mode Selection Explained
Describes the various operation modes available via the remote control.
Cooling Operation Guide
Step-by-step instructions for operating the air conditioner in cooling mode.
Natural Wind (CHAOS Logic)
Explains the CHAOS mode for a natural breeze-like airflow.
Auto Operation Guide
Instructions for using the auto operation mode, including its automatic settings.
Auto Operation Notes
Special considerations and notes for operating in auto mode.
Healthy Dehumidification Operation Guide
Guide to using the dehumidification function for a healthy environment.
Dehumidification Operation Notes
Specific operational details and notes for dehumidification mode.
Heating Operation Guide
Instructions for operating the unit in heating mode (for heat pump models).
Heating Mode Notes
Additional information and considerations for heating operation.
Jet Cool/Heating Operation
How to activate and cancel the rapid cooling/heating function.
2nd Function Operation
Guide to using the 2nd Function button for timer settings.
Sleep Mode Operation
How to set and cancel the sleep mode for comfortable sleeping.
Setting the Time
Instructions for setting the current time on the remote control.
Delay Timer Operations
Guide to setting delay start and pre-set stop timers.
Airflow Direction Control
How to adjust airflow direction and use the swing function.
Air Circulation Mode
How to operate the unit for air circulation without cooling or heating.
Forced Operation Mode
How to operate the unit when the remote control is unavailable.
Test Operation Mode
Information about the unit's test operation procedure.
Auto Restart Feature
Explanation of the auto-restart function after a power failure.
Fan Speed and Cooling Capacity
Information regarding fan speed's effect on cooling performance.
Operational Usage Tips
General advice for efficient and effective operation.
Care and Maintenance
Indoor Unit Cleaning
Instructions for cleaning the indoor unit's grille, case, and remote control.
Air Filter Cleaning
Steps for checking and cleaning the air filters.
Outdoor Unit Maintenance
Guidance on checking the outdoor unit's heat exchanger and vents.
Long-Term Storage Procedure
Steps to prepare the unit for extended periods of non-use.
Troubleshooting Tips
Common Issues and Solutions
Checks and explanations for common problems like no operation or peculiar odors.
Performance Troubleshooting
Advice for issues related to cooling effectiveness, noise, or display problems.
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