Question about Kenmore 72073 Top Freezer Refrigerator
Refrigerator periodically stops cooling. Through this site I learned to check the the coil section behing the freezer interior panel. As the site suggested the sides were blocked with ice preventing air flow. I defrosted it but in several weeks the situation repeated itself. Again I inspected and ice was present. The solutions posted here point to the defrost heater, thermostat or timer. Is there any simple method to verify which component rather than replacing all three? Thanks
Original defrost heater burned out. Replaced with new defrost heater element and also new thermostat. After it was started the orginal "not cooling enough" the evaporator coils iced up--then de-iced them but the new heater element was broken--couldn't have run very long before it happened. Same thing happened when another defrost heater element showed signs of initial heating and then fractured coil. What can be the solution?
Posted on Jun 06, 2011
You will need a multimeter. check continuity thro the heater and stats mounted on the evaporator
Posted on Apr 08, 2007
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Posted on Jan 02, 2017
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Sep 07, 2011 | Microwave Ovens
Jun 16, 2011 | Samsung RS2578BB Side by Side Refrigerator
The defrost is not
working.This happens due to the evaporator coil in the inner section of freezer is got
blocked by ice .--------
Try manual defrost reset
First unplug the unit
from main power outlet. Then empty whole unit completely. Then keep both the
doors open. Wait for 24 hours. All the ice collected on the coils and in the
freezer section will get melted. Clean the water from the sections.
Then Connect the power cord of the unit to main power outlet after 24
hours/.Then set the temperature to normal in both fridge and freezer section.
It will take near to 4 hours to get run in its proper cooling cycle. Then check,
if the problem returns again. If the same problem occurs then it's defrost problem.
The defrost board and the defrost thermostat/heater is not functioning properly
and it has to be checked and replaced.
The procedure of this unit
is as follows: --- The compressor starts then it cools the freezer section.
When the freezer reaches its cooling level the defrost cycle starts functioning.
In this cycle the fan in the freezer section starts running and the cool air in
the freezer section is passed to the refrigerator section and the
refrigerator section gets cold. The air from freezer to refrigerator passes
from the section, in that section the damper is located. Now this problem which
you mentioned. In this problem the freezer thaws, this happens if the
thermostat is not functioning or the heater is not heating. Then the ice starts
getting collected on the evaporator coil. The evaporator coil
is at the internal section of freezer. If too much ice gets collected
then this ice blocks the fan in the freezer section from functioning and this
blocks the damper section with ice getting collected there. This all procedure
is controlled by the defrost board of the unit.
So first try reset procedure.If that is not helping then defrost assembly parts are to be checked and replaced.The defrost thermostat is located in the freezer section beside the evaporator coil.The defrost heater is located in the freezer section beside the evaporator coil.And the defrost control board is located in the fridge section.-------------
can get the required parts from online sites like:---
www.repairclinic.com or from searspartsdirect online site.---------This will help.Thanks.Helpmech.
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