We Fixed a Refrigerator That Stopped Cooling in Rancho Bernardo

A homeowner in Rancho Bernardo contacted SD Appliance after noticing that their side-by-side refrigerator had stopped cooling properly over the course of several days. The freezer section appeared to be functioning, but the fresh food compartment was no longer maintaining a safe temperature.
This is a situation our team encounters regularly, and it typically points to a specific set of components worth inspecting first.

What Our Technician Found
Upon arrival, our technician performed a full inspection of the cooling system. The evaporator fan motor was running, but airflow into the fresh food section was significantly restricted. Further inspection revealed a heavy buildup of ice on the evaporator coils, indicating that the automatic defrost system had failed.
The defrost heater was tested and confirmed to be non-functional. As a result, ice had accumulated over time and was blocking the airflow needed to cool the refrigerator compartment.

How the Issue Was Resolved
The defrost heater was replaced and the evaporator coils were carefully cleared of ice buildup. The technician also tested the defrost thermostat and timer to confirm no additional components were affected.
After reassembly, the refrigerator was monitored on-site to confirm that airflow was restored and the fresh food compartment was returning to the correct temperature range.

What This Means for Homeowners
A refrigerator that cools unevenly — where one section works and another does not — often points to an airflow or defrost system issue rather than a compressor failure. Early inspection can help identify the actual cause and avoid unnecessary part replacements.

From Our Experience at SD Appliance
From our experience at SD Appliance, defrost system failures are one of the most common causes of partial cooling loss in refrigerators. Catching the issue before the compressor is affected typically results in a faster and more straightforward repair. To streamline scheduling and service coordination, our appointments and service workflow are supported through the Entire.Today platform, helping ensure organized communication and efficient service management.

Final Thoughts
If your refrigerator in Rancho Bernardo is cooling unevenly or the fresh food section feels warmer than usual, a professional inspection can help identify the cause and restore normal operation.