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Negative 2 degrees is a good temperature for freezers, but if you want it warmer, raise the thermostat up (warmer temp) In the refrigerator section, & open damper (or set the adjuster knob in the back of the freezer to warmer). If the motor is making a loud noise, it may be hitting ice built up from the evaporator...thaw out.
it's the aluminum defroster coils cooling after a defrost cycle.
a padded aluminum foil-covered mat installed behind the defrost heater in the back of the fridge is a fix at least for Samsung I know.
Hello,
Does the loud cracking noise normally happen at night when its quiet.
Anyway whenever it happens it is most probably the automatic defrost heater kicking in and the noise you hear is ice melting.This could cut in every 12/14 hours depending on system and would normally run for about 15 mins.After this time the compressor should cut back in and the unit will run as normal.
Dripping sound. During the defrost, water draining from the freezer section will drip into the pan by your compressor in the back and bottom of your refrigerator. * Air rushing or blowing. There is a fan in the freezer section and in some models in the back and bottom of your refrigerator to circulate air. This is a normal sound. * Louder when starting or coming on. Compressor operates at a higher pressure when first starting and noise should disappear as refrigerator continues to run and balance pressures. * Popping, crackling, or sizzling about once a day. If your model is self-defrosting, the defrost system utilizes a heater to remove the ice and frost from the freezer coil. During this period you will hear some expansion noises as heat is applied to the coil and you may experience some sizzling sounds as the melting water drips on the heater. * Running water. If you have an ice maker equipped model, the ice maker will call for water as the old batch of cubes is ejected and the ice maker starts to make more cubes. This will last for about 10 seconds and is normal. * Vibrating or rattling noises
Lots of stuff can cause noise. The only moving part in the freezer is the fan. I don't know of anything else that moves. If ice build up is an issue, then there are several things to concider.
Not enough defrost time. Cycle too short or heaters are not hot enough for some reason. Could be undersized heaters from manufacturer.(?) Defrost timer could be bad causing short or no defrost at all. This timer also controls the defrost heaters and compressor being off during defrost.
Be sure the seal around the door is tight. No air gaps. Warm air (contains moisture) will cause freeze ups. Long shot is that the thermostat is bad and unit never shut off. If timer is bad, compressor coudl be running during defrost cycle.
IF YOUR FREEZER HAS A TEMP ALARM, USUALLY LOCATED IN FRONT,BOTTOM, RIGHT CORNER, THE TEMP IS PROBABLY ABOVE THE SAFE TEMP FOR FREEZERS, (10 DEGREES) AND SO THE ALARM WILL SOUND.
THERE SHOULD BE A SWITCH IN FRONT TO SHUT OFF THE ALARM UNTIL THE TEMP GETS BACK DOWN TO ZERO. THEN YOU CAN TURN THE ALARM BACK ON.
IF YOU PLUG IN THE FREEZER AND TURN IT ON, IT SHOULD BE BACK DOWN TO NORMAL TEMP (IF IT IS EMPTY) IN ABOUT 24 HOURS. IF IT ISN'T, YOU HAVE OTHER PROBLEMS. CHECK TO BE SURE THE COMPRESSOR IS RUNNING.
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