LG Electronics LFX25974ST, LFX25974SB owner manual Control on some models will also click when

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Problem	Possible Causes	Solutions
Clicking	The defrost control will click when the	Normal Operation
	automatic defrost cycle begins and ends.
	The thermostat control (or refrigerator
	control on some models) will also click when
	cycling on and off.
Rattling	Rattling noises may come from the flow of	Normal Operation
	refrigerant, the water line on the back of the
	unit, or items stored on top of or around the
	refrigerator.
	Refrigerator is not resting solidly on the	Floor is weak or uneven or leveling legs need to be
	floor.	adjusted. See the Door Alignment section.
	Refrigerator with linear compressor was	Normal Operation
	jarred while running.
Whooshing	Evaporator fan motor is circulating air	Normal Operation
	through the refrigerator and freezer
	compartments.
	Air is being forced over the condenser by	Normal Operation
	the condenser fan.
Gurgling	Refrigerant flowing through the cooling	Normal Operation
	system.
Popping	Contraction and expansion of the inside	Normal Operation
	walls due to changes in temperature.
Sizzling	Water dripping on the defrost heater during	Normal Operation
	a defrost cycle.
Vibrating	If the side or back of the refrigerator is	To eliminate the noise, make sure that the sides and
	touching a cabinet or wall, some of the	back cannot vibrate against any wall or cabinet.
	normal vibrations may make an audible
	sound.
Dripping	Water running into the drain pan during the	Normal Operation
	defrost cycle.
Pulsating or High-Pitched	Your refrigerator is designed to run more	Normal Operation
Sound	efficiently to keep your food items at the
	desired temperature. The high efficiency
	compressor may cause your new refrigerator
	to run longer than your old one, but it is still
	more energy efficient than previous models.
	While the refrigerator is running, it is normal
	to hear a pulsating or high-pitched sound.

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