I heard knocking noise from my refrigerator, is it normal?
Yes, the sound is normal.
When the doors are open, the cold air escapes and warm air enters. The sound is caused due to temperature change inside the fridge. It is simply the liner or internal shelves, drawers (Plastic things) shrinking and expanding under the temperature changes.
This sound is normal and can be easily heard at initial time of use
Thank you for your feedback!
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