Refrigerator Normal Sounds and Noises

All refrigerators when operating will produce sounds or noises.

  • Chirping, Barking, Woof, Howl sound can sometimes be heard as the damper motor door opens/closes.
  • Change in fan speed as the refrigerator responds to changes in temperature due to door opening.
  • Clicking or Tic Tock noises can be heard when the defrost timer switches on and off.
  • Click or Clicks can be heard when the temperature control unit turns the unit on and off a relay could be switching on or off.
  • Boiling, Gurgling, or Knocking sound when the unit is running. Circulation of refrigerant maybe in process.
  • Drip and hiss sound may be heard when defrost water is dripping into the pan beneath the refrigerator or the dripped water hits the hot surface of the defrost heater.
  • Icemaker  will make a loud noise when cubes are dropped into the bucket.
  • hum or click can be heard when the icemaker fills with water. Sound may occur once or multiple times intermittently during the icemaker is operation.
  • Cracking or popping sound can be heard when evaporator coils on Top Mount No Frost models are cooling after defrost.
  • Buzzing noises can be heard during and after getting water from the door dispenser. The noise should not last longer than 7-10 seconds after the user stop dispensing water.
  • Snapping sound will be heard about 4-5 seconds after removing a glass from a dispenser. A sound of the dispenser chute movement.
  • Hissing, Sizzling, Buzzing, or Arching noise may be heard on self-defrost models. The sound may occur when water drips on defrost heaters.
  • Water hammer is a knocking or banging noise in a water line that occurs when the water valve opens and closes.  This is caused by high water pressure from the house going into the refrigerator. A regulator can be installed in between the waterline before it is connected to the refrigerator to limit or reduce the water pressure just enough to meet the requirements.
  • Rattle or Vibration noise will be heard if the icemaker is on but water is not supplied to it or the water tank is frozen.  It is recommended that when the unit is not hooked up to water that the icemaker is turned off.
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