Question about AEG 10.35 cu. ft. / 293 liter Upright Freezer Arctis A75320GA

1 Answer

Why is the temperature fluctuating.

The unit is set at -18 degrees but recently the themperature reading is fluctuating. Some days it is as low as -29, other days -14. there is no pattern and the door has not been left open

Posted by david batie on

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Dado

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Service engeener always checks the average temperature inside freezer or refrigerator compartment. When you turn on freezer, the compressor starts to circulate gas through the system and the temperature in the freezer is decreasing (go to minus). When inside of the freezer reaches the set temperature the compressor is switched off and temperature will increasing. What will be the difference of inside temperature depends on the type of refrigerator and type of thermostat or sensor and moves to max. 8-9 degrees. With the advent of new "No Frost" refrigerator, this difference was reduced to only a few degrees Celsius, thanks to the fan inside the refrigerator and NTC sensor.
So 29 + 14 = 43; 43/2 = 21.5 which means that your average temperature of -21.5 which is not too much deviation from the set temperature of -18 and I think that is ok.

Dado

Posted on Jan 06, 2015

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Anonymous

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SOURCE: Temperature has dropped from a normal 18 degrees

The only thing that will make it cool to low is a thermostat. They wear out and get out of calibration. Check to be sure the temp sensor from the thermostat is tight on the mount. Its the little tube that connects to the evaporator that makes the thermostat work.

Posted on Jul 01, 2009

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My name is Peter. I am a retired field service refrigeration technician.

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