Description
ER 4387503 Defrost Thermostat for Whirlpool Refrigerator
Part No. ER 4387503
Part Purpose: Regulates the defrost cycle in the refrigerator to prevent ice buildup on the evaporator coils.
Part location on appliance: Located on or near the evaporator coils inside the freezer compartment.
Part failure symptoms: Refrigerator or freezer not defrosting, ice buildup on evaporator coils, refrigerator not cooling properly, or continuous running of the compressor.
Part diagnosis: Inspect the defrost thermostat for visible damage, test it with a multimeter for continuity when at freezing temperatures. Alternatively, call the U-FIX-IT store for free diagnosis assistance.
Cross Reference Info: Replaces 4387503
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