Unlike your other large appliances in your home that make funny sounds when there’s something wrong with them, your refrigerator makes funny sounds during normal operation. Below is a list of normal refrigerator noises:
-A change in fan speed as the refrigerator responds to changes in temperature due to door opening.
-Clicking, tic-toc noise can be heard when the defrost timer switches on and off.
-A click can be heard when the temperature control unit turns the unit on and off.
-Boiling, gurgling or knocking sound can be heard when the unit is running. This is caused by the circulation of refrigerant.
-Gurgling sound in the door. This sound can be heard just after the door is closed because of the water in drain tube trap area.
-A drip may be heard when defrost water is dripping into the pan beneath the refrigerator.
-The ice maker will make a loud noise when cubes are dropped into the bucket.
-A hum or click can be heard when the icemaker fills with water. This sound may be heard once or multiple times.
-Cracking or popping sound can be heard when evaporator coils are cooling after defrost.
-Buzzing noises can be heard after getting water from the door dispenser.
-A snapping sound from the dispenser. This is the sound of the dispenser chute closing.
-Chirping, barking, woof, howl sound can sometimes be heard as the damper door opens or closes.
-A clicking noise may be heard after a power shortage. This is from the compressor trying to restart itself.
-Hissing, sizzling, buzzing or arching noise may be heard on self defrost models. This is produced when water drips on defrost heaters.
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