LG · Air Conditioning
If the leveling feet or locknuts are not properly tightened, or if screws are not installed correctly, it can lead to noise and vibration during operation.
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Ensure all screws attaching the appliance to the pedestal are securely installed.
Tighten all locknuts on the leveling feet.
Adjust the leveling feet until the pedestal is level and all feet are solidly on the floor.
Ensure the appliance is placed on a solid, sturdy, level floor.
If excessive vibration occurs after installation, slightly adjust the leveling feet.