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Lisa HoffmanAug 15, 2025
Why is my LG LS-J09 Air Conditioner not cooling or heating effectively?
- RRodney WhiteAug 15, 2025
If your LG Air Conditioner isn't cooling or heating effectively, consider these possible reasons: Is the air filter dirty? You may need to see air filter cleaning instructions. Has the temperature been set incorrectly? Also, check if the indoor unit's air inlet or outlet vents are obstructed.