LG AMNC12GB1A2 - User Manual

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www.lg.com

P/NO : MFL67888802

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

TYPE : Ceiling Concealed Duct

Low/High Static

MODELS

Indoor Unit

AMNC12GB1A2

AMNC18GB2A2

AMNC24GB2A2

AMNC18GBHA2

AMNC24GBHA2

A7UQ40GFA0

A8UQ48GFA0

A8UQ54GFA0

Outdoor Unit

A2UQ18GFA0

A3UQ26GFA0

A4UQ30GFA0

A5UQ36GFA0

A5UQ48GFA0

ENGLISH ESPAÑOL

PORTUGUESE

Table of Contents

Questions and Answers

M
Mrs. Sarah Wright MDAug 18, 2025
Why is my LG Air Conditioner not cooling or heating effectively?
- J
  Jose BlakeAug 18, 2025
  If your LG Air Conditioner isn't cooling or heating as expected, several factors could be at play. First, ensure the air filter is clean by following the air filter cleaning instructions. The room might have been excessively hot when you first turned on the unit, so allow some time for it to cool down. Also, verify that the temperature is set correctly. Finally, check that the air inlet or outlet vents of the indoor unit are not obstructed.
S
Sarah MorrisAug 20, 2025
Why is my LG Air Conditioner operation so noisy?
- A
  alexanderaustinAug 20, 2025
  If your LG Air Conditioner is making unusual noises, here's what they could mean: A sound like flowing water indicates freon moving inside the unit. A sound resembling compressed air being released suggests dehumidifying water is being processed within the unit.
J
Jacob WestAug 23, 2025
What to do if my LG Air Conditioner doesn't operate?
- A
  andrewconwayAug 23, 2025
  If your LG Air Conditioner isn't turning on, first check the timer operation to ensure there were no mistakes made in setting it. Also, inspect the fuse and circuit breaker to see if a fuse has blown or the circuit breaker has been tripped.
R
romanchristinaAug 26, 2025
Why is my LG AMNC12GB1A2 Air Conditioner operation noisy?
- M
  mwalkerAug 26, 2025
  The noise from your LG Air Conditioner can be normal. A water flowing sound indicates freon flowing inside the unit. A sound like compressed air releasing suggests the dehumidifying water is being processed inside.
M
Monica SmithAug 28, 2025
What to do if my LG Air Conditioner remote control display is faint?
- B
  barnesanthonyAug 28, 2025
  If the remote control display for your LG Air Conditioner is weak or blank, check if the batteries are depleted. Also, ensure the batteries are inserted correctly, paying attention to the (+) and (-) directions.
J
James ThomasAug 30, 2025
Why LG AMNC12GB1A2 Air Conditioner does not operate for about 3 minutes when restart?
- C
  Connor MyersAug 31, 2025
  If your LG Air Conditioner doesn't start immediately after restarting, it's likely due to the mechanism's protector. Please wait approximately three minutes, and the unit should begin operating.
E
Eric BarrettSep 2, 2025
Why does my LG AMNC12GB1A2 make a crack sound?
- J
  jonesearlSep 2, 2025
  If you hear cracking sounds from your LG Air Conditioner, it's typically due to the expansion and constriction of parts like the front panel, caused by temperature changes.
G
George NewtonSep 4, 2025
How to turn off filter sign lamp (LED) on LG Air Conditioner?
- J
  Jennifer Martin MDSep 5, 2025
  To turn off the filter sign lamp (LED) on your LG air conditioner, clean the filter, then simultaneously press the Timer button and the ? button on the wired remote controller for 3 seconds.
M
Matthew CarpenterSep 7, 2025
What to do if the remote control display is faint, or there is no display at all on my LG Air Conditioner?
- J
  josephortizSep 7, 2025
  If the remote control display for your LG Air Conditioner is weak or blank, the batteries may be depleted. Try replacing them. Also, ensure the batteries are correctly inserted, matching the (+) and (-) directions.
T
Timothy PaulSep 9, 2025
What to do if filter sign lamp (LED) is ON on my LG AMNC12GB1A2 Air Conditioner?
- M
  madisondavisSep 9, 2025
  To turn off the filter sign lamp (LED), clean the filter, then simultaneously press the Timer button and the ? button on the wired remote controller for 3 seconds.

LG AMNC12GB1A2 Specifications

General

Brand	LG
Model	AMNC12GB1A2
Category	Air Conditioner
Language	English

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