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• As the refrigerator cools or freezes, refrigerant gas moves through sealed pipes, causing bubbling
sounds.
• As the refrigerator temperature increases or decreases, plastic parts contract and expand, creating
knocking noises. These noises occur during the defrosting cycle or when electronic parts are
working.
• For ice maker models: When the water valve opens to fill the ice maker, buzzing sounds may occur.
• Due to pressure equalizing when opening and closing the refrigerator door, whooshing sounds may
occur.
Bubbling !
Cracking !
troubleshooting _35
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