Why does the freezer make a whistling noise?
1. Refrigerator makes a whistling noise.
1. A Whistling noise can be heard when the cold liquid refrigerant is vaporized.
2. The hot air from the outside is cooled suddenly, and change in pressure makes the noise.
How to fix
1. Do not be concerned if refrigerator works normally.
2. If air inside the product is not cold enough, contact service center to check the gas leakage.