12.05.2024

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. If the defrost heater fails, frost builds up on the evaporator fins, blocking ventilation and resulting in warm freezer temperature. Replace the defrost heater using the steps in this video. Before you begin, wear work gloves to protect your hands. Unplug the power cord from the wall outlet. Remove the spacer in the freezer shelf. Push the shelf to the left to release the right side from the holes. Pull the shelf out of the freezer. Remove the mounting screws from the evaporator cover. Pull the top down and unplug the evaporator fan wire harness.

Disconnect the green ground wire and the ice maker wire harness. Pull the cover out of the freezer. Unplug the wires from the defrost heater. Unbuckle the two aluminum straps at the bottom of the evaporator. Pull the evaporator coil outward just enough to slide the defrost heater down and out. Slide the new defrost heater back up under the evaporator. Reinstall the two aluminum straps and push the evaporator back in position. Connect the wires to the defrost heater. Reconnect the ice maker wire harness and ground wire. Reconnect the evaporator fan wire harness. Put the evaporator cover in position and reinstall the mounting screws.

Push the shelf into the mounting holes. Slide the shelf to the right and reinstall. the shelf spacer. Plug in the refrigerator to restore power.