I am a professional appliance repairman technician, and I recently completed a job replacing the condenser coils on a subzero refrigerator. The refrigerator was not cooling properly, and the condenser coils were the culprit. The condenser coils are located at the back of the refrigerator and are responsible for removing heat from the refrigerant. Over time, the coils can become dirty or damaged, which can cause the refrigerator to not cool properly. To replace the condenser coils, I first removed the back panel of the refrigerator. This panel is secured with screws and is located near the bottom of the refrigerator. Once the panel was removed, I could access the condenser coils. The coils were held in place by clips and were connected to the refrigerant lines. I carefully disconnected the clips and removed the coils from the refrigerant lines. Next, I cleaned the condenser coils with a brush and a cleaning solution. This helped to remove any dirt or debris that may have been causing t