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English 81
Troubleshooting
• During a defrost cycle, water may drip on the defrost heater, causing sizzling sounds.
HiSS!
• As the refrigerator cools or freezes, refrigerant gas moves through sealed pipes,
causing bubbling sounds.
Bubbling!
• 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.
Cracking!
• For ice maker models: When the water valve opens to ll the ice maker, you may hear
a buzzing sound.
• Due to pressure equalizing when you open and close the refrigerator door, you may
hear a whooshing sound.
FDR_AW2-FL_DA68-03872A-00_EN.indd 81 2019-05-17 10:15:20
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