Fault in defrost circuit caused ice buid-up, decreased air flow, and elevated temp. led to a thaw.

ApplianceWhirlpool Freezer


Level of DifficultyReally easy

Time to do repair15 - 30 mins

Age of Appliance1 - 4 years

Tools Screw drivers

Dennis From White Bear Lake, MN

Sep 02, 2010

8 out of 10 people found this instruction helpful

After observing defrost timer go into (and out of), defrost cycle, I checked continuity of heating element. Since heater coil was intact (79 Ohms of resistance), I figured the defrost thermostat (aka bi-metal therm.), had to be at fault. The new part ($17.00), proved my suspicions correct. As I sought to determine if everything worked, I had to wait for the temp. to drop below the defrost therm. set point before I would see the heater coil get hot.
To avoid the costly failure in future, I bought a Chaney wireless therometer with two remote sensors. Sensors require lithium batteries. $30.00 for both are a cheap insurance system.

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Diagrams and Parts List for this repair

Part PhotoPart DescriptionPriceAvailability


Part Number: PS2578124

In Stock