Question about AEG S72348KA ST STEEL Refrigerator
A refrigerator must defrost 2 - 3 times a day. It does this via the automatic defrost cycle. When the cycle starts alll motors shut off and there is a heating element that is in the evaporator / freezer section of your unit. That heating element melts the ice until the 60 Deg F bi-metal thermostat cycles and terminated the automatic defrost cycle. During the defrost cycle is is normal to hear a hissing sound as the melting ice drips on the heating element assy. Addiionally you may hear coolant gurgles as the unit shuts off to start the defrost cycle and the coolant system equalizes the internal pressures between the pressure and return lines. Again another normal sound. If your unit did not stop to defrost 2 - 3 times a day in a matter of 3 to 4 days you would have a large block of ice in the back of your freezer section and the evaporator fan blades would be hitting that ice block. The freezer would say cool yet probably no longer make ice. Also the fresh food compartment would start warming up. Hopefully this resolves your concerns. If you need more assistance just respond to this post and I will help you.
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Posted on Sep 05, 2010
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