SJ-68L-C2W not friging or making ice, ice is building up at the back of the freezer
Ice is made when freezer temperature is cold. Freezer and refrigirator will not cool if iced up on back wall. Your defrost system failed, causing frost buildup on the coils and restricting airflow and heat transfer. Most likely cause is a defective defrost timer that is not advancing into defrost (2-3 times every 24 hours). Defrost system comprise Timer, Heater, and Thermostat. You need the tools to diagnose the cause or just try one by one to replace the parts. Other choice is to call a tech. The freezer must be defrosted one time manually to remove the long accumulated frost.
Testimonial: "where will find the defrost system"
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Look up you model number on google and find the schematic with all the parts details. Defrost timer is typically under the fridge, heater and thermostat are behind the freezer back paneel.
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