LG F09MT User Manual

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www.lg.com

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

Copyright © 2019 LG Electronics Inc. All Rights Reserved

EN ENGLISH

IT ITALIANO

P/NO: 5401521219

rev.:

Table of Contents

Questions and Answers:

T
Tammy CummingsAug 12, 2025
What to do if my LG F09MT Air Conditioner does not work?
- A
  alexandraromeroAug 12, 2025
  First, check if the power cord of your LG Air Conditioner is properly plugged into the outlet and that the power isolators are switched on. If the air conditioner still doesn't work, inspect the fuse to see if it has exploded, or check if the circuit breaker has tripped and replace the fuse if needed. If a power failure has occurred, turn off the air conditioner and wait 3 minutes after the power is restored before turning it back on. Also, check the batteries in the remote controller to ensure they are correctly inserted or replace them. Finally, make sure that the air conditioner was not turned off automatically at a preset time and turn the air conditioner on.
S
Sarah StevensAug 16, 2025
Why is my LG Air Conditioner not emitting cool air?
- R
  Robert BlairAug 16, 2025
  If your LG Air Conditioner is not emitting cool air, ensure that curtains, blinds, or furniture are not blocking the front of the unit. Clean the air filter every 2 weeks. If the room temperature is too high, select Jet Mode for faster cooling. Make sure no cold air is escaping through ventilation points. Set the desired temperature lower than the current room temperature and avoid using heat generators nearby. Ensure the unit is not in Fan Mode; switch to cooling operation. Note that the cooling effect may not be sufficient if the outside temperature is too high.
A
Ashley JohnsonAug 20, 2025
Why does my LG Air Conditioner keep stopping during operation?
- M
  Mike HowellAug 20, 2025
  If your LG Air Conditioner stops during operation, check the timer settings to ensure it wasn't set to turn off. If a power failure occurred, wait for the power to return. If the Auto Restart function is enabled, the unit will resume its last operation several minutes after power is restored.
H
Hunter BeckAug 23, 2025
Why is my LG F09MT not emitting warm air?
- V
  vegadarrenAug 25, 2025
  If your LG Air Conditioner is not emitting warm air, and the outdoor unit is operating, wait until the unit has generated enough warm air to blow through the indoor unit. If the outdoor unit is in Defrosting Mode, allow approximately 15 minutes for the frost to be removed from the coil. Note that the heating effect may not be sufficient if the outside temperature is too low.
T
Terry WatsonAug 27, 2025
Why is there noise or vibration coming from my LG Air Conditioner?
- S
  Sean DiazAug 27, 2025
  Clicking, creaking, flowing and blowing sounds are normal symptoms for LG Air Conditioners and the noise will stop.
J
jessica93Aug 31, 2025
Why is my LG F09MT Air Conditioner still running after I turn it off?
- K
  Krista FernandezAug 31, 2025
  If the indoor unit of your LG Air Conditioner continues to operate after being turned off, the Auto Clean function is likely active. This function removes remaining moisture inside the unit. Allow the Auto Clean function to continue, or manually turn the unit off to stop it.
S
Susan CainSep 3, 2025
How to get rid of odor from my LG F09MT?
- G
  Gabriel MillerSep 4, 2025
  If your LG Air Conditioner's indoor unit emits an odor, it may be due to absorbed odors like cigarette smoke being discharged with airflow. If the smell persists, try washing the filter.
J
Jerry CallahanSep 7, 2025
Why is my LG F09MT Air Conditioner discharging mist?
- J
  Jeffrey RichardsonSep 7, 2025
  The mist discharged from the air outlet of your LG Air Conditioner is a normal phenomenon caused by the cooled air. This will disappear as the room temperature decreases.

LG F09MT Specifications

General

Type	Split Air Conditioner
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Outdoor Unit Weight	26 kg
Noise Level (Outdoor Unit)	48 dB(A)
Cooling Capacity (Tons)	0.75 Tons
Compressor Type	Rotary
Cooling Capacity	9000 BTU/h
Operating Temperature (Cooling)	18°C to 43°C

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