The defrost timer controls the defrost cycle of the freezer. If your refrigerator or freezer sections are too warm or too cold, the freezer won’t defrost, or the freezer runs too long then you may need to replace the defrost timer (Part # 215846602).
Caution: Anytime you work on an appliance, make sure it is unplugged or the circuit breaker is turned off.
To begin, you will need a 1/4 inch nut driver and Phillips-head screwdriver. To access the part you will need to open the refrigerator door. Remove the upper shelf assembly to have more room to work in.
The defrost timer is located in the panel mounted on the ceiling in refrigerator. Use the 1/4 inch nut driver to loosen and remove the four retaining screws. Remove the wiring harness by squeezing in on the two side tabs and pull it out. Now remove the whole assembly.
To remove the defrost timer, start by turning over the panel then use the Phillips-head screwdriver to loosen and remove the two retaining screws. Remove the wiring harness that connects to the defrost timer. Remove the defrost timer. Connect the new defrost timer to the wiring harness.
Then turn over the panel and thread in and tighten the two retaining screws. Position the panel and make sure the drain tube goes into the opening at the back in the refrigerator. Reconnect the wiring harness plug. Use the 1/4 inch nut driver to thread in and tighten the four retaining screws. Reinstall the upper shelf assembly. Close the door and reconnect the power cord.