LG AMNC12GTRA2 - User Manual

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www.lg.com

P/NO : MFL67888801

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

TYPE : 4-Way Ceiling Cassette

MODELS

Indoor Unit

AMNC12GTRA2

AMNC18GTQA2

AMNC24GTPA2

A7UQ40GFA0

A8UQ48GFA0

A8UQ54GFA0

Outdoor Unit

A2UQ18GFA0

A3UQ26GFA0

A4UQ30GFA0

A5UQ36GFA0

A5UQ48GFA0

ENGLISH

ESPAÑOL

PORTUGUESE

Table of Contents

Questions and Answers

J
jacobmcdanielAug 18, 2025
Why is my LG AMNC12GTRA2 not cooling or heating effectively?
- J
  Jeffrey TuckerAug 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.
M
Mark Hansen DDSAug 20, 2025
Why is my LG AMNC12GTRA2 operation so noisy?
- S
  Sara MendozaAug 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.
M
Misty MeyerAug 23, 2025
What to do if my LG Air Conditioner doesn't operate?
- K
  kimberlyharrisonAug 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.
S
sara09Aug 26, 2025
Why is my LG AMNC12GTRA2 Air Conditioner operation noisy?
- T
  tmosleyAug 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
Margaret PerezAug 28, 2025
What to do if my LG AMNC12GTRA2 Air Conditioner remote control display is faint?
- T
  Traci NortonAug 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.
N
Nicole JarvisAug 30, 2025
Why LG AMNC12GTRA2 does not operate for about 3 minutes when restart?
- S
  Shawn KellyAug 30, 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.
J
Jean GallagherSep 2, 2025
Why does my LG AMNC12GTRA2 Air Conditioner make a crack sound?
- C
  Cole BrownSep 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.
D
djordanSep 4, 2025
How to turn off filter sign lamp (LED) on LG AMNC12GTRA2?
- A
  Amanda ThompsonSep 4, 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
Michael BergSep 7, 2025
What to do if the remote control display is faint, or there is no display at all on my LG AMNC12GTRA2?
- N
  Nicole WatkinsSep 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.
M
Melissa CarterSep 9, 2025
What to do if filter sign lamp (LED) is ON on my LG AMNC12GTRA2 Air Conditioner?
- G
  George AndersonSep 10, 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 AMNC12GTRA2 Specifications

General

Brand	LG
Model	AMNC12GTRA2
Category	Air Conditioner
Language	English

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